聚氨酯的挡风玻璃密封胶

polyurethane windshield sealant 1. TECHNICAL DATA SHEET(1):Testing Items(2)PerformanceAppearanceBlack/White/Gray homogeneous paste Density (g/cm³)1.35±0.05Sagging properties(mm)0Shore A hardness(A°)63±3Tensile strength( Mpa)≥5Elongation at break (%)≥400Volatile content (%)≤4Tensile-shear strength(MPa)≥3.5Touch Dry time (min)10 30Curing speed(mm/d)3-5Extrudability (ml/min)≥80PollutionNonApplication temperature (ºC)+5 +35Shelf life(month) (3)9 Note: (1)All data above ware tested under standardized condition. (2)All data listed in the chart were for rhe generalized item in the series; please refer to the related datasheet for special items. (3)Storage condition has a direct impact to the products’ shelf life, Please refer to the instruction for special items’ storing. 2. DESCRIPTION: RENZ 20 is one component high quality multi-purpose polyurethane sealant, it cures by reaction with atmospheric moisture to form a durable and weathering resistant elastomer, RENZ 20 is manufactured in accordance with the ISO/TS 16949:2002. 3. USES: Suitable for automobile windshield and side glass installing. Suitable for car body structural bonding and sealing. 4. ClEANING: Clean and dry all surfaces by removing foreign matter and contaminants such as oil dust, grease, frost, water, dirt, old sealants and any protective coating. Dust and loose particles should be cleaned. 5. PACKAGING: * 310ml cartridge, 20 pcs/carton * 600ml/400ml sausage, 20 pcs/carton 6. APPLICATION: Minimum application temperature: 5°C. RENZ 20 should be dispensed from either the cartridge or sausage by means of a caulking gun. Pierce the membrane at the top of the cartridge and screw on the nozzle. Cut nozzle to give the required angle and bead size. Place the cartridge in an applicator gun and squeeze the trigger. For sausages, a barrel gun is required, clip the end of the sausage and place in barrel gun. Screw end cap and nozzle on to barrel gun. Using the trigger extrude the sealant, to stop depress using the catch plate. Apply RENZ 20 in a continuous bead using enough pressure to properly apply the sealant. 7. ADVANTAGES: * One-component formulation, excellent smooth appearance. * Safe Drive Away Time in as little as two hours when used on vehicles with airbag. * Modest Hardness and high tensile strength after curing .- * Flexible, durable and excellent extrudability. * Need no primer to glass * No sagging, no pollution and corrosion to base material and environment. * Excellent sealing and adhesion performance, excellent water and aging resistance. 8. ADVICE: * For common occasion, after cleaning out the surface with organic solvent, this product can be used directly. * Please construct by application instructions strictly, failure of stickiness may be caused by any operation disobeying construction techniques. * This product is innocuous after curing completely, but before set, please avoids contacting with eyes and skin. In case of eyes and skin contact, wash immediately and thoroughly with soap and water. See doctor immediately if it is serious. 9. PRIMING: Activators and/or primers is not required.