{"id":85110,"date":"2024-02-05T16:35:54","date_gmt":"2024-02-05T09:35:54","guid":{"rendered":"https:\/\/mcbifi-bauchemie.com\/?post_type=product&#038;p=85110"},"modified":"2026-04-16T15:26:19","modified_gmt":"2026-04-16T08:26:19","slug":"mc-proof-pu-920","status":"publish","type":"product","link":"https:\/\/mcbifi-bauchemie.com\/en\/products\/mc-proof-pu-920\/","title":{"rendered":"MC-Proof PU 920"},"content":{"rendered":"<h3><strong>PRODUCT PROPERTIES:<\/strong><\/h3>\n<ul>\n<li>One component, Hybrid Polyurethane base.<\/li>\n<li>Low viscosity, easy to apply.<\/li>\n<li>Low solvent content.<\/li>\n<li>Very good bonding on various surfaces.<\/li>\n<li>High solid content creates a durable and seamless waterproof membrane.<\/li>\n<li>Excellent flexibility and crack-bridging performance (from 3 to 5mm).<\/li>\n<li>Resistant to elevated temperatures, frost and de-icing salts.<\/li>\n<li>Good chemical resistance.<\/li>\n<li>Optimized workability for application by roller, squeegee, brush and airless spraying on horizontal and inclined surfaces.<\/li>\n<\/ul>\n<h3><strong>AREAS OF APPLICATION:<\/strong><\/h3>\n<ul>\n<li>Waterproofing for roofs, planting areas, balconies, loggias, drying yards, sewage tanks, etc.<\/li>\n<li>Waterproofing for bridge deck, basement, foundation,&#8230;<\/li>\n<\/ul>\n<h3><strong>PRODUCT CHARACTERISTICS:<\/strong><\/h3>\n<table style=\"height: 143px;\" width=\"901\">\n<tbody>\n<tr>\n<td width=\"210\"><strong>Form<\/strong><\/td>\n<td width=\"476\">Liquid<\/td>\n<\/tr>\n<tr>\n<td width=\"210\"><strong>Color<\/strong><\/td>\n<td width=\"476\">Black<\/td>\n<\/tr>\n<tr>\n<td width=\"210\"><strong>Storage<\/strong><\/td>\n<td width=\"476\">Store in dry, cool, covered and ventilated place.<\/td>\n<\/tr>\n<tr>\n<td width=\"210\"><strong>Life time<\/strong><\/td>\n<td width=\"476\">12 months from manufacture date stored in original \u00a0unopened packs.<\/td>\n<\/tr>\n<tr>\n<td width=\"210\"><strong>Packing<\/strong><\/td>\n<td width=\"476\">22 kg or 28 kg steel pail<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong>APPLICATION NOTES:<\/strong><\/h3>\n<ul>\n<li>Substrate preparation:<\/li>\n<\/ul>\n<p>&#8211; MC-Proof PU 920 can be applied on all mineral substrates, metals, plastics and even wood.<\/p>\n<p>&#8211; All substrates to be coated must be sound, clean and free from all loose particles, dust, oil and any other contaminants (e.g. release agent, cement residue).<\/p>\n<p>&#8211; Surface tensile strength must be &gt; 1.5N\/mm\u00b2. The moisture content of the substrate must not exceed 10%.<\/p>\n<p>&#8211; Holes and indentations &gt; 5mm deep must be filled with a suitable specialized repair mortar (e.g. Nafufill KM 103).<\/p>\n<p>&#8211; At the junction of the floor and the wall, it must be plastered to create a curvature to prevent cracking of the waterproofing membrane.<\/p>\n<p>&#8211; Before applying MC-Proof PU 920, joints and cracks must be prepared. Cracks with water leakage can be repaired with specialized products of MC-BIFI (eg MC-Injekt 2188, MC-Injekt 2300,&#8230;).<\/p>\n<ul>\n<li>Primer: Primer is basically not required, however, for maximum adhesion efficiency or requirements with higher than normal adhesion, it is recommended to use Primer with MC-Proof PU 920 mix with 10% thinner.<\/li>\n<li>Application:<\/li>\n<\/ul>\n<p>&#8211; MC-Proof PU 920 is a ready-to-use liquid PU based, and it needs to be stirred to homogenize before use.<\/p>\n<p>&#8211; A slow-speed mechanical stirrer should be used to avoid the entrainment of air into the mixture during stirring.<\/p>\n<p>&#8211; Apply MC-Proof PU 920 by roller, brush or spray directly onto the prepared surface.<\/p>\n<ul>\n<li>The consumption is 1.5 kg\/m\u00b2 corresponding to the waterproof layer thickness of 1.0 mm. To achieve the recommended 2.0 mm dried layer thickness, 2 coats should be applied and the waiting time between 2 applications should be at least 6 hours. This waiting time depends on the temperature and other climatic conditions at the site.<\/li>\n<\/ul>\n<p>&#8211; After construction, the protective mortar layer should be rolled onto the waterproof layer, to ensure the long-term durability of the waterproof layer.<\/p>\n<ul>\n<li>Curing: After application, MC-Proof PU 920 needs to be protected until the waterproofing layer meets the final specifications (e.g. traffic, rain, humidity &gt;90% RH, etc.)<\/li>\n<li>Cleaning: Cleaning tools and equipment with MC-Thinner after use. Hard materials can only be removed by mechanical agents.<\/li>\n<li>Safety information: MC-Proof PU 920 contains no harmful substances that require labeling. Very safe under normal working conditions such as wearing gloves and goggles, etc. MC-Proof PU 920 causes mild skin sensitization upon direct contact.<\/li>\n<\/ul>\n<h3><strong>TECHNICAL DATAS:<\/strong><\/h3>\n<table style=\"height: 464px;\" width=\"896\">\n<tbody>\n<tr>\n<td width=\"216\"><strong>Characteristic<\/strong><\/td>\n<td width=\"108\"><strong>Unit<\/strong><\/td>\n<td width=\"108\"><strong>Value<\/strong><\/td>\n<td width=\"246\"><strong>Comments<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Density<\/td>\n<td width=\"108\">g\/cm\u00b3<\/td>\n<td width=\"108\">1.48<\/td>\n<td width=\"246\">ASTM D1475-13<\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Viscosity<\/td>\n<td width=\"108\">cps<\/td>\n<td width=\"108\">~5.000<\/td>\n<td width=\"246\">ASTM D2196-15<\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Hardness Shore A<\/td>\n<td width=\"108\"><\/td>\n<td width=\"108\">50 \u00b1 5<\/td>\n<td width=\"246\">ASTM D2240<\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Solid content<\/td>\n<td width=\"108\">%<\/td>\n<td width=\"108\">&gt; 80<\/td>\n<td width=\"246\">ASTM D2369-10<\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Elongation to break<\/td>\n<td width=\"108\">%<\/td>\n<td width=\"108\">&gt; 600<\/td>\n<td width=\"246\">ASTM D412-16<\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Tensile strength<\/td>\n<td width=\"108\">Mpa<\/td>\n<td width=\"108\">\u2265 2<\/td>\n<td width=\"246\">ASTM D412-16<\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Adhesive strength to concrete<\/td>\n<td width=\"108\">Mpa<\/td>\n<td width=\"108\">\u2265 1<\/td>\n<td width=\"246\">ASTM D7234<\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Rain and foot traffic resistance<\/td>\n<td width=\"108\">Hour<\/td>\n<td width=\"108\">&gt; 6<\/td>\n<td width=\"246\"><\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Watertightness test time<\/td>\n<td width=\"108\">Hour<\/td>\n<td width=\"108\">~ 36<\/td>\n<td width=\"246\"><\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Consumption<\/td>\n<td width=\"108\">kg\/m\/m<\/td>\n<td width=\"108\">1.5<\/td>\n<td width=\"246\"><\/td>\n<\/tr>\n<tr>\n<td width=\"216\">Application conditions<\/td>\n<td width=\"108\">\u00b0C<\/p>\n<p>%<\/p>\n<p>%<\/p>\n<p>\u00b0C<\/td>\n<td width=\"108\">\u2265 6 \u2264 40<\/p>\n<p>\u2264 85<\/p>\n<p>\u2264 10<\/p>\n<p>3<\/td>\n<td width=\"246\">Air and substrate temperature<\/p>\n<p>Relative humidity<\/p>\n<p>Substrate residual moisture<\/p>\n<p>Above dew point<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>*All technical data are based on laboratory tests at 23\u00b0C \u00b12 and 60% RH and may vary in practical application. To determine the <\/em><em>individual technical suitability, preliminary suitability tests should be carried out under the application conditions.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-90280\" src=\"https:\/\/mcbifi-bauchemie.com\/wp-content\/uploads\/2024\/02\/MC-Proof-PU-920-378x450.png\" alt=\"\" width=\"378\" height=\"450\" \/><\/p>\n<p><strong><span class=\"fontstyle0\">High performance water-based PU waterproofing coating with UV resistance.<\/span><\/strong><\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"product_cat":[870,523],"product_tag":[761],"acf":[],"_links":{"self":[{"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/product\/85110"}],"collection":[{"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":7,"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/product\/85110\/revisions"}],"predecessor-version":[{"id":91823,"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/product\/85110\/revisions\/91823"}],"wp:attachment":[{"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/media?parent=85110"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/product_cat?post=85110"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mcbifi-bauchemie.com\/en\/wp-json\/wp\/v2\/product_tag?post=85110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}