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ISOMAT S.A.
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Technical Datasheet Technical data cured membrane > 100 % 27 N/mm2 > 2 N/mm2 (tile failure) > 2 N/mm2 (concrete failure) Pass (no blistering, cracking or flaking) Euroclass F 6-8 hrs VARNISH-PU 650 MF is a one-component, transparent, aliphatic polyurethane coating used for satin finish over ISOFLEX-PU 650. VARNISH-PU 650 MF is watertight, elastic and shows excellent resistance to mechanical and chemical loads. Being UV-stable, it features non-yellowing properties. Consists of high-quality elastomeric and hydrophobic resins, which help maintain its transparency and elasticity in the long term. The system of ISOFLEX-PU 650 and VARNISH-PU 650 MF offers the following advantages: • Easy application. • Effective waterproofing and protection of surfaces coated with old tile layers. • Continuous membrane, without seams or joints. • Stability to UV radiation. • Resistant to weather conditions (rain, frost). • Resistance to detergents, oils, sea water. • Resistance to pedestrian traffic. The system of ISOFLEX-PU 650 and VARNISH-PU 650 MF is ideal for waterproofing and protection of: • Flat roofs, terraces and balconies covered with glazed tiles, ceramic tiles, natural stone, wood, microcement coatings, screeds, etc. • Walls made of glass bricks, natural stone, etc. • Light domes, atriums and greenhouses made of glass, plastic materials (polycarbonate sheets), etc. prepolymer Color: transparent (at +230C) 2. Properties of the Elongation at break: (EN-ISO 527) Tensile strength: (EN-ISO 527) Bond strength to ISOFLEX-PU 650: (EN 1542) Bond strength to concrete: (EN 1542) Artificial weathering: (EN 1062-11, after 2000 h) Reaction to fire: (EN 13501-1) Tack-free time: (at +230C, 40-50% RH) (EN ISO 2811-1) Service temperature: Application of the system ISOFLEX-PU 650 and VARNISH-PU 650 MF 1. Substrate The substrate must be completely dry, clean, free of grease, loose particles, dust, old paints, etc. Surfaces with trapped moisture (e.g. under tiles) must be left to dry completely prior to the application of ISOFLEX-PU 650.
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1.1 Non-porous surfaces (e.g. glazed tiles, glass bricks) should be treated with the special adhesion promoter PRIMER-S 165. The surface is cleaned with a cloth that has been soaked with the promoter. The cloth must be frequently changed. The first layer of ISOFLEX-pU 650 is applied 20-30 min after the application of PRIMER-S 165. The adhesion promoter cleans the surface and increases the bond strength of ISOFLEX-PU 650. PRIMER-S 165 should not be applied to transparent plastic materials (e.g. polycarbonate sheets). 1.2 Porous surfaces should be primed with PRIMER-PU 150. PRIMER-PU...
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2032-CPR-10.11E DoP No.: VARNISH-PU 650 MF / 1868-01 EN 1504-2 Surface protection products Coating Permeability to CO2: Sd > 50m Water vapor permeability: Class I (permeable) Capillary absorption: w < 0.1 kg/m2-h°-5 Adhesion: > 0.8 N/mm2 Reaction to fire: Euroclass F Dangerous substances comply with 5.3 ISOMAT S.A. BUILDING CHEMICALS AND MORTARS MAIN OFFICES - FACTORY: 17th km Thessaloniki - Ag. Athanasios Road, P.O. BOX 1043, 570 03 Ag. Athanasios, Greece, Tel.: +30 2310 576 000, Fax: +30 2310 722 475 www.isomat.eu e-mail: info@isomat.eu The technical information and instructions supplied...
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