{"id":3355,"date":"2026-06-08T12:22:53","date_gmt":"2026-06-08T09:22:53","guid":{"rendered":"https:\/\/www.letoon.com.tr\/eng\/?page_id=3355"},"modified":"2026-06-08T12:22:53","modified_gmt":"2026-06-08T09:22:53","slug":"the-role-of-natural-silicate-paints-in-restoration-technology-a-scientific-review-on-breathing-mineral-protection-systems-in-historic-buildings","status":"publish","type":"page","link":"https:\/\/www.letoon.com.tr\/eng\/the-role-of-natural-silicate-paints-in-restoration-technology-a-scientific-review-on-breathing-mineral-protection-systems-in-historic-buildings\/","title":{"rendered":"The Role of Natural Silicate Paints in Restoration Technology: A Scientific Review on Breathing Mineral Protection Systems in Historic Buildings"},"content":{"rendered":"\n<!-- HMSA ARTICLE START -->\n<div id=\"hmsa-static-article\">\n\n    <style>\n        \/* --- GENERAL LAYOUT AND TYPOGRAPHY --- *\/\n        #hmsa-static-article {\n            font-family: Arial, sans-serif;\n            color: #333;\n            max-width: 900px;\n            margin: 0 auto;\n            padding: 20px;\n            box-sizing: border-box;\n            background-color: #fff;\n        }\n\n        #hmsa-static-article * {\n            box-sizing: border-box;\n        }\n\n        \/* Headings *\/\n        .hmsa-article-title {\n            font-size: 32px;\n            font-weight: 800;\n            color: #111;\n            line-height: 1.3;\n            margin-bottom: 20px;\n            border-bottom: 1px solid #eee;\n            padding-bottom: 20px;\n        }\n\n        .hmsa-subhead {\n            font-size: 22px;\n            font-weight: 700;\n            color: #b24a3a;\n            margin-top: 50px;\n            margin-bottom: 20px;\n            border-bottom: 1px solid #f0f0f0;\n            padding-bottom: 10px;\n            display: inline-block;\n        }\n\n        \/* Author Info *\/\n        .hmsa-author {\n            font-size: 15px;\n            color: #555;\n            margin-bottom: 25px;\n            display: block;\n            font-weight: 400;\n        }\n\n        .hmsa-author strong {\n            color: #b24a3a;\n            font-weight: 700;\n        }\n\n        .hmsa-author span {\n            color: #888;\n            font-size: 14px;\n            margin-left: 5px;\n        }\n\n        \/* --- KEYWORD STYLES --- *\/\n        .hmsa-keywords-section {\n            margin-bottom: 35px;\n            font-size: 14px;\n            line-height: 1.6;\n            background: #fdfdfd;\n            border: 1px solid #eee;\n            padding: 15px;\n            border-radius: 6px;\n        }\n        .hmsa-key-label {\n            font-weight: 800;\n            color: #333;\n            margin-right: 8px;\n            text-transform: uppercase;\n            font-size: 12px;\n            letter-spacing: 0.5px;\n        }\n        .hmsa-hashtag {\n            color: #b24a3a;\n            margin-right: 10px;\n            font-weight: 600;\n            display: inline-block;\n            cursor: default;\n        }\n        .hmsa-hashtag:hover {\n            text-decoration: underline;\n        }\n\n        \/* Text Styles *\/\n        .hmsa-text {\n            font-size: 18px;\n            line-height: 1.8;\n            color: #2c3e50;\n            margin-bottom: 25px;\n            text-align: justify;\n        }\n\n        .hmsa-intro {\n            font-size: 20px;\n            color: #555;\n            border-left: 5px solid #b24a3a;\n            padding: 20px 25px;\n            margin-bottom: 30px;\n            font-style: italic;\n            background: #fafafa;\n            border-radius: 0 8px 8px 0;\n            text-align: justify;\n        }\n\n        \/* Lists *\/\n        .hmsa-list {\n            list-style: none;\n            padding: 0;\n            margin: 30px 0;\n        }\n\n        .hmsa-list li {\n            position: relative;\n            padding-left: 30px;\n            margin-bottom: 15px;\n            font-size: 17px;\n            line-height: 1.6;\n            color: #444;\n            text-align: justify;\n        }\n\n        .hmsa-list li::before {\n            content: \"\u2022\";\n            color: #b24a3a;\n            font-size: 24px;\n            position: absolute;\n            left: 0;\n            top: -5px;\n        }\n\n        \/* --- TABLE DESIGN --- *\/\n        .hmsa-table-wrapper {\n            overflow-x: auto;\n            margin: 40px 0 10px 0;\n            border: 1px solid #eee;\n            border-radius: 8px;\n            box-shadow: 0 2px 10px rgba(0,0,0,0.03);\n        }\n\n        .hmsa-table {\n            width: 100%;\n            border-collapse: collapse;\n            min-width: 600px;\n            font-size: 15px;\n        }\n\n        .hmsa-table th {\n            background: #f9f9f9;\n            color: #b24a3a;\n            font-weight: bold;\n            padding: 15px;\n            text-align: left;\n            border-bottom: 2px solid #ddd;\n        }\n\n        .hmsa-table td {\n            padding: 15px;\n            border-bottom: 1px solid #eee;\n            color: #444;\n            vertical-align: top;\n            line-height: 1.5;\n        }\n\n        .hmsa-table tr:last-child td {\n            border-bottom: none;\n        }\n\n        .hmsa-caption {\n            font-size: 14px;\n            color: #777;\n            margin-top: 10px;\n            text-align: center;\n            font-style: italic;\n            display: block;\n            margin-bottom: 40px;\n        }\n\n        \/* --- CYCLE DIAGRAM --- *\/\n        .hmsa-cycle-wrapper {\n            position: relative;\n            width: 100%;\n            height: 550px;\n            display: flex;\n            justify-content: center;\n            align-items: center;\n            margin: 60px 0;\n            font-family: Arial, sans-serif;\n            background: #fff; \n        }\n\n        .hmsa-cycle-track {\n            position: absolute;\n            width: 400px;\n            height: 400px;\n            border-radius: 50%;\n            border: 2px dashed #e0e0e0;\n            z-index: 0;\n            animation: rotateHmsa 120s linear infinite;\n        }\n\n        @keyframes rotateHmsa {\n            from { transform: rotate(0deg); }\n            to { transform: rotate(360deg); }\n        }\n\n        .hmsa-core {\n            position: absolute;\n            width: 170px;\n            height: 170px;\n            background: #fff;\n            border-radius: 50%;\n            display: flex;\n            flex-direction: column;\n            justify-content: center;\n            align-items: center;\n            text-align: center;\n            z-index: 20;\n            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);\n            border: 1px solid #eee;\n        }\n\n        .hmsa-item {\n            position: absolute;\n            width: 200px;\n            text-align: center;\n            cursor: default;\n            z-index: 10;\n            display: flex;\n            flex-direction: column;\n            align-items: center;\n        }\n\n        .hmsa-pos-1 { transform: rotate(210deg) translate(220px) rotate(-210deg); }\n        .hmsa-pos-2 { transform: rotate(330deg) translate(220px) rotate(-330deg); }\n        .hmsa-pos-3 { transform: rotate(30deg) translate(220px) rotate(-30deg); }\n        .hmsa-pos-4 { transform: rotate(90deg) translate(220px) rotate(-90deg); }\n        .hmsa-pos-5 { transform: rotate(150deg) translate(220px) rotate(-150deg); }\n        .hmsa-pos-6 { transform: rotate(270deg) translate(220px) rotate(-270deg); }\n\n        .hmsa-icon-box {\n            width: 45px;\n            height: 45px;\n            background: #fff;\n            border-radius: 50%;\n            display: flex;\n            align-items: center;\n            justify-content: center;\n            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);\n            border: 2px solid #eee;\n            font-size: 20px;\n            margin-bottom: 8px;\n            transition: transform 0.3s;\n        }\n        \n        .hmsa-item:hover .hmsa-icon-box {\n            transform: scale(1.15);\n            border-color: #b24a3a;\n        }\n\n        .hmsa-info-card {\n            background: #fff;\n            border: 1px solid #eee;\n            padding: 10px;\n            border-radius: 8px;\n            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);\n            width: 100%;\n            transition: transform 0.3s;\n        }\n        \n        .hmsa-item:hover .hmsa-info-card {\n            transform: translateY(-5px);\n            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);\n        }\n\n        .hmsa-info-title {\n            font-size: 11px;\n            font-weight: 800;\n            color: #b24a3a;\n            display: block;\n            margin-bottom: 3px;\n            text-transform: uppercase;\n            letter-spacing: 0.5px;\n        }\n\n        .hmsa-info-text {\n            font-size: 11px;\n            color: #666;\n            margin: 0;\n            line-height: 1.3;\n        }\n\n        \/* References *\/\n        .hmsa-ref-section {\n            margin-top: 60px;\n            padding-top: 30px;\n            border-top: 1px solid #eee;\n            color: #777;\n            font-size: 14px;\n        }\n\n        .hmsa-ref-title {\n            font-weight: bold;\n            color: #333;\n            margin-bottom: 15px;\n            display: block;\n            font-size: 16px;\n        }\n\n        .hmsa-ref-list {\n            list-style: none;\n            padding: 0;\n        }\n\n        .hmsa-ref-list li {\n            margin-bottom: 10px;\n            font-size: 14px;\n            text-align: justify;\n            padding-left: 15px;\n            text-indent: -15px;\n        }\n\n        \/* MOBILE RESPONSIVENESS *\/\n        @media (max-width: 800px) {\n            #hmsa-static-article { padding: 15px; }\n            .hmsa-cycle-wrapper { height: auto; flex-direction: column; margin: 40px 0; padding: 20px 0; }\n            .hmsa-cycle-track { display: none; }\n            .hmsa-core { position: relative; margin-bottom: 40px; }\n            .hmsa-item { position: relative; transform: none; margin-bottom: 20px; width: 100%; flex-direction: row; text-align: left; align-items: flex-start; }\n            .hmsa-icon-box { margin-right: 15px; flex-shrink: 0; margin-bottom: 0; }\n            .hmsa-info-card { text-align: left; width: auto; flex-grow: 1; }\n        }\n    <\/style>\n\n    <!-- CATEGORY TAG -->\n    <div style=\"font-size:12px; color:#b24a3a; font-weight:bold; text-transform:uppercase; margin-bottom:10px;\">\n        HMSA Academy: Mater\u0131als Sc\u0131ence &amp; Conservat\u0131on Eng\u0131neer\u0131ng\n    <\/div>\n\n    <!-- TITLE -->\n    <h1 class=\"hmsa-article-title\">The Role of Natural Silicate Paints in Restoration Technology: A Scientific Review on Breathing Mineral Protection Systems in Historic Buildings<\/h1>\n\n    <!-- AUTHOR INFO -->\n    <div class=\"hmsa-author\">\n        Author: <strong>M\u00fcge G\u00fcnel<\/strong> <span> \/\/ Architect, MSc &amp; Restoration Specialist<\/span>\n    <\/div>\n\n    <!-- INTRODUCTION (ABSTRACT) TEXT -->\n    <div class=\"hmsa-text hmsa-intro\">\n        In the conservation of historic structures, surface coating systems are not merely aesthetic choices; they represent a critical area of intervention in terms of building physics, materials science, and conservation engineering. Modern synthetic paints can cause irreversible damage such as moisture entrapment, salt crystallization, surface decay, and biological degradation by disrupting the natural hygrothermal behavior of historic building materials. In contrast, natural silicate paints are regarded as an advanced restoration technology that ensures physical and chemical compatibility with historic substrates owing to their high vapor permeability, mineral-based structure, chemical bonding mechanism, and UV resistance.\n    <\/div>\n\n    <!-- SECTION 1 -->\n    <h3 class=\"hmsa-subhead\">1. Introduction<\/h3>\n    <p class=\"hmsa-text\">\n        Historic structures are active physical systems. These systems continuously interact with environmental humidity, temperature variations, capillary water movements, and atmospheric gas transfer. Therefore, the primary role of surface coating systems used in restoration practices is not merely coloration, but providing protection without disrupting the original hygrothermal behavior of the structure.\n    <\/p>\n    <p class=\"hmsa-text\">\n        Modern synthetic coatings often accelerate degradation mechanisms in historic structures due to their low vapor permeability, tendency to form films, and thermoplastic behavior. For this reason, natural silicate paints stand out as &#8220;breathing mineral surface technologies&#8221; in contemporary conservation architecture.\n    <\/p>\n\n    <!-- SECTION 2 -->\n    <h3 class=\"hmsa-subhead\">2. Chemical Structure of Natural Silicate Paints<\/h3>\n    <p class=\"hmsa-text\">\n        The primary binder of natural silicate paints is potassium silicate. Its chemical structure is expressed as <strong>K\u2082SiO\u2083<\/strong>. This binder system:\n    <\/p>\n    <ul class=\"hmsa-list\">\n        <li>Is entirely mineral-based,<\/li>\n        <li>Contains no organic resins,<\/li>\n        <li>Exhibits no thermoplastic behavior,<\/li>\n        <li>Does not form a closed polymer film on the surface.<\/li>\n    <\/ul>\n    <p class=\"hmsa-text\">\n        Consequently, natural silicate paints provide high compatibility with mineral-based substrates, such as lime renders and historic stone facades.\n    <\/p>\n\n    <!-- SECTION 3 -->\n    <h3 class=\"hmsa-subhead\">3. Vapor Permeability and Breathing Technology<\/h3>\n    <p class=\"hmsa-text\">\n        Historic wall systems are open systems operating on capillary moisture movement, vapor diffusion, and thermal equilibrium. The water vapor diffusion equivalent air layer thickness (<strong>s<sub>d<\/sub><\/strong>) value of surface coatings used on these structures must be low. Natural silicate paints do not obstruct the breathing capacity of the wall due to their high vapor permeability, open pore structure, and capillary active behavior.\n    <\/p>\n    <p class=\"hmsa-text\">\n        Synthetic paints form a polymeric film on the surface, preventing moisture from escaping. This condition triggers serious degradation mechanisms such as freeze-thaw damage, paint blistering, plaster detachment, and stone exfoliation. In natural silicate paints, however, the pores remain open, water vapor diffuses freely, and moisture within the wall is discharged in a balanced manner.\n    <\/p>\n\n    <!-- SECTION 4 -->\n    <h3 class=\"hmsa-subhead\">4. Silicification Mechanism and Chemical Reaction with the Substrate<\/h3>\n    <p class=\"hmsa-text\">\n        The most prominent feature distinguishing natural silicate paints from conventional paints is their chemical reaction with mineral surfaces. The potassium silicate binder reacts with the mineral components in the substrate to form insoluble silicate structures. The basic reaction mechanism can be summarized as follows:\n    <\/p>\n    <p class=\"hmsa-text\" style=\"text-align: center; font-weight: bold; background: #fafafa; padding: 15px; border-radius: 4px; border: 1px solid #eee; margin: 20px 0;\">\n        K\u2082SiO\u2083 + CaCO\u2083 &rarr; C-S-H\n    <\/p>\n    <p class=\"hmsa-text\">\n        This process is defined as &#8220;silicification&#8221;. While synthetic paints adhere to the surface only through physical adhesion, silicate paints integrate with the mineral structure of the substrate. This reduces the risk of peeling, prevents flaking, and ensures long-term surface stability. Consequently, the paint does not act as a foreign layer on the surface; rather, it becomes a continuation of the mineral structure.\n    <\/p>\n\n    <!-- SECTION 5 -->\n    <h3 class=\"hmsa-subhead\">5. Thermal Compatibility and Micro-crack Control<\/h3>\n    <p class=\"hmsa-text\">\n        Historic building materials expand and contract with temperature changes. Differences in thermal movement between modern polymeric coatings and historic substrates can cause micro-cracks, loss of adhesion, and surface delamination. Natural silicate paints, however, exhibit thermal behavior similar to that of the mineral substrate. Thanks to this thermal expansion coefficient compatibility, surface stresses are reduced, micro-crack formation is minimized, and long-term stability is achieved.\n    <\/p>\n\n    <span class=\"hmsa-caption\" style=\"margin-bottom:10px;\">Figure 1. Multi-Functional Protection Mechanism of Natural Silicate Paints<\/span>\n\n    <!-- DIAGRAM (CYCLE) -->\n    <div class=\"hmsa-cycle-wrapper\">\n        <div class=\"hmsa-cycle-track\"><\/div>\n        <div class=\"hmsa-core\">\n            <div style=\"font-weight:bold; font-size:11px; color:#333; margin-top:5px;\">SILICATE PAINTS<br>MECHANISM<\/div>\n        <\/div>\n        \n        <div class=\"hmsa-item hmsa-pos-1\">\n            <div class=\"hmsa-info-card\"><span class=\"hmsa-info-title\">SILICIFICATION REACTION<\/span><p class=\"hmsa-info-text\">Chemical bonding between potassium silicate and mineral substrates.<\/p><\/div>\n        <\/div>\n        <div class=\"hmsa-item hmsa-pos-2\">\n            <div class=\"hmsa-info-card\"><span class=\"hmsa-info-title\">HIGH BREATHABILITY<\/span><p class=\"hmsa-info-text\">Preventing moisture entrapment with an open pore structure and a very low s<sub>d<\/sub> value.<\/p><\/div>\n        <\/div>\n        <div class=\"hmsa-item hmsa-pos-3\">\n            <div class=\"hmsa-info-card\"><span class=\"hmsa-info-title\">THERMAL COMPATIBILITY<\/span><p class=\"hmsa-info-text\">Similar thermal expansion coefficient to substrate and micro-crack control.<\/p><\/div>\n        <\/div>\n        <div class=\"hmsa-item hmsa-pos-4\">\n            <div class=\"hmsa-info-card\"><span class=\"hmsa-info-title\">MINERAL PIGMENTS<\/span><p class=\"hmsa-info-text\">High color stability against sunlight via inorganic pigments.<\/p><\/div>\n        <\/div>\n        <div class=\"hmsa-item hmsa-pos-5\">\n            <div class=\"hmsa-info-card\"><span class=\"hmsa-info-title\">ANTISTATIC SURFACE<\/span><p class=\"hmsa-info-text\">Structures preventing dust and soot accumulation, self-cleaning properties.<\/p><\/div>\n        <\/div>\n        <div class=\"hmsa-item hmsa-pos-6\">\n            <div class=\"hmsa-info-card\"><span class=\"hmsa-info-title\">HIGH ALKALINITY<\/span><p class=\"hmsa-info-text\">Natural barrier against algae, mold, and bacteria growth with pH 11-12.<\/p><\/div>\n        <\/div>\n    <\/div>\n    <!-- \/DIAGRAM -->\n\n    <!-- SECTION 6 -->\n    <h3 class=\"hmsa-subhead\">6. Mineral Pigment Technology and UV Resistance<\/h3>\n    <p class=\"hmsa-text\">\n        The pigments used in natural silicate paints are based on metal oxides, natural minerals, and inorganic color compounds. These pigments exhibit high resistance to ultraviolet rays. Due to this UV resistance, color stability is preserved, fading is minimized, and surface aging occurs homogeneously. This prevents unnatural color changes in historic structures over time.\n    <\/p>\n\n    <!-- SECTION 7 -->\n    <h3 class=\"hmsa-subhead\">7. Antistatic Behavior and Surface Cleaning<\/h3>\n    <p class=\"hmsa-text\">\n        Polymer-based synthetic paints generate electrostatic charges, attracting pollutants such as dust, soot, and exhaust particles to the surface. In contrast, natural silicate paints exhibit antistatic behavior due to their mineral structure. This characteristic reduces surface soiling, creates a self-cleaning effect, and extends maintenance periods. This parameter offers a major advantage, particularly for historic structures in dense urban environments.\n    <\/p>\n\n    <!-- SECTION 8 -->\n    <h3 class=\"hmsa-subhead\">8. Natural Protection Against Biological Decay<\/h3>\n    <p class=\"hmsa-text\">\n        Natural silicate paints have a high alkalinity level. The surface pH value is approximately in the range of <strong>pH &approx; 11 &#8211; 12<\/strong>. This highly alkaline environment naturally suppresses the formation of algae, mold, fungi, and biofilm. Thus, biological resistance is achieved without the need for chemical biocide additives.\n    <\/p>\n\n    <!-- SECTION 9 -->\n    <h3 class=\"hmsa-subhead\">9. Evaluation in Terms of Conservation Principles in Restoration Technology<\/h3>\n    <p class=\"hmsa-text\">\n        According to international conservation criteria (Venice Charter, RILEM, etc.), restoration materials must be compatible with the original material, must not cause irreversible damage, must not alter the physical behavior of the structure, and must be breathable.\n    <\/p>\n    <p class=\"hmsa-text\">\n        Natural silicate paints meet the majority of these criteria thanks to their mineral character, low diffusion resistance, chemical compatibility, and capacity to preserve hygrothermal balance. For this reason, they are accepted as one of the fundamental surface coating systems of contemporary conservation technology on historic stone facades, lime plasters, mineral-based surfaces, and monumental structures.\n    <\/p>\n\n    <!-- SECTION 10 -->\n    <h3 class=\"hmsa-subhead\">10. Conclusion<\/h3>\n    <p class=\"hmsa-text\">\n        Natural silicate paints are not merely decorative paint systems in the restoration of historic structures; they represent a high-performance mineral surface technology in terms of building physics and conservation engineering. From a materials science perspective, they provide silicification, mineral crystal structure, and UV resistance; from a building physics perspective, they offer high vapor permeability, hygrothermal compatibility, and moisture regulation; and from a conservation engineering perspective, they deliver surface stability, biological resistance, and long-term durability. By respecting the original material behavior and preserving the breathing capacity of historic structures, natural silicate paints stand out as one of the most scientific surface protection systems in contemporary restoration technology.\n    <\/p>\n\n    <!-- GLOSSARY OF TERMS -->\n    <h3 class=\"hmsa-subhead\">HMSA Glossary of Terms<\/h3>\n    <div class=\"hmsa-table-wrapper\">\n        <table class=\"hmsa-table\">\n            <thead>\n                <tr>\n                    <th width=\"30%\">Term<\/th>\n                    <th>Description<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td><strong>Silicification<\/strong><\/td>\n                    <td>The process where the potassium silicate binder chemically reacts with the mineral substrate to form insoluble silicate structures.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Water Vapor Diffusion Resistance (s<sub>d<\/sub>)<\/strong><\/td>\n                    <td>The resistance level of the material against water vapor transmission. This value is extremely low in silicate paints.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Potassium Silicate (K\u2082SiO\u2083)<\/strong><\/td>\n                    <td>The mineral-based liquid glass (mineral binder) component that forms the foundation of natural silicate paints.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>C-S-H (Calcium Silicate Hydrate)<\/strong><\/td>\n                    <td>The durable crystalline network structure integrated with the substrate, formed by the reaction of the paint binder with the lime-bearing surface.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Antistatic Character<\/strong><\/td>\n                    <td>The property of the material not to accumulate electrostatic charges, thereby not attracting airborne dust, soot, and dirt particles.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Alkalinity (pH)<\/strong><\/td>\n                    <td>The degree of basicity of solutions. The high pH (11-12) level of silicate paints naturally prevents biofilm formation.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>UV Stability<\/strong><\/td>\n                    <td>The ability of inorganic mineral pigments to resist fading, color change, and chemical degradation against ultraviolet rays from the sun.<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/div>\n\n    <!-- REFERENCES -->\n    <div class=\"hmsa-ref-section\">\n        <span class=\"hmsa-ref-title\">References<\/span>\n        <ul class=\"hmsa-ref-list\">\n            <li>Keim, A. W. Mineral Paint Systems and Silicate Technology. Keim Technical Publications.<\/li>\n            <li>Torraca, G. Lectures on Materials Science for Architectural Conservation. ICCROM.<\/li>\n            <li>Veiga, M. R. \u201cCompatible Renders and Coatings for Historic Masonry.\u201d Construction and Building Materials.<\/li>\n            <li>Moropoulou, A. et al. \u201cPhysico-Chemical Characteristics of Historic Mortars and Surface Coatings.\u201d Journal of Cultural Heritage.<\/li>\n            <li>EN 1062-1 Paints and Varnishes Standards.<\/li>\n            <li>EN ISO 7783 Water Vapour Permeability Standards.<\/li>\n            <li>RILEM Recommendations for Restoration Materials in Historic Structures.<\/li>\n        <\/ul>\n    <\/div>\n\n<\/div>\n<!-- HMSA ARTICLE END -->\n","protected":false},"excerpt":{"rendered":"<p>HMSA Academy: Mater\u0131als Sc\u0131ence &amp; Conservat\u0131on Eng\u0131neer\u0131ng The Role of Natural Silicate Paints in Restoration Technology: A Scientific Review on<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3355","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.letoon.com.tr\/eng\/wp-json\/wp\/v2\/pages\/3355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.letoon.com.tr\/eng\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.letoon.com.tr\/eng\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.letoon.com.tr\/eng\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.letoon.com.tr\/eng\/wp-json\/wp\/v2\/comments?post=3355"}],"version-history":[{"count":0,"href":"https:\/\/www.letoon.com.tr\/eng\/wp-json\/wp\/v2\/pages\/3355\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.letoon.com.tr\/eng\/wp-json\/wp\/v2\/media?parent=3355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}