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1.PRODUCT FEATURE OF GNS® B1 CLASS FIRE RETARDANT PU FOAM MANUAL TYPE
●Excellent adhesion to a wide variety of surfaces such as UPVC, masonry, brick, block work, glass, steel, aluminum, timber and other substrates (except PP, PE and Teflon);
●The foam will expand and cure by moisture in the air, strong surface after curing;
●Self-extinguish when the fire leave;
●High thermal and acoustical insulation;
●Conform to fire class B1 (DIN 4102)
●Application temperature between +5℃ to +35℃;
●Optimal application temperature between +18℃ to +30℃;
●Environmentally friendly. It contains CFC-free propellants which are harmless to the ozone layer.
2.PERFORMANCE DATA OF GNS® B1 CLASS FIRE RETARDANT PU FOAM MANUAL TYPE
| Base | Polyurethane |
| Consistency | Stable Foam |
| Curing System | Moisture-curing |
| Tack-Free Time (min) | 7~8 |
| Drying Time | Dust-free after 12-14 min. |
| Cutting Time (min) | 50~60 |
| Yield (L) | 28 |
| Shrink | None |
| Cellular Structure | >84% close cells |
| Specific Gravity (kg/m³) | 20 |
| Temperature Resistance | -50℃~+80℃ |
| Application Temperature Range | +18℃~+30℃ |
| Colour | White |
| Fire Class (DIN 4102 ) | B1 |
| Insulation Factor (Mw/m.k) | 0.041 |
| Compressive Strength (kPa) | 130 |
| Tensile Strength (kPa) | 170 |
| Adhesive Strength(kPa) | 135 |
| Water Absorption (ML) | 0.3~8(no epidermis) |
| <0.1(with epidermis) |
3. APPLICATIONS AREAS OF GNS® B1 CLASS FIRE RETARDANT PU FOAM MANUAL TYPE
●Installing, fixing and insulating of door and window frames;
●Filling and sealing of gaps, joint and openings;
●Connecting of insulation materials and roof construction;
●Bonding and mounting;
●Insulating the electrical outlets and water pipes;
●Heat preservation, cold and sound insulation;
●Packaging purpose, wrap the precious & fragile commodity, shake-proof and anti-pressure.
4.APPLICATION INSTRUCTIONS OF GNS® B1 CLASS FIRE RETARDANT PU FOAM MANUAL TYPE
5.STORAGE AND SHELF LIFE OF GNS® B1 CLASS FIRE RETARDANT PU FOAM MANUAL TYPE
12 months in unopened packing store in temperature between +5℃ to +25℃, Keep in cool, shade and well ventilated area. Always keep the can with the valve pointed upwards.
6.PACKING, SHIPPING AND SERVING OF GNS® B1 CLASS FIRE RETARDANT PU FOAM MANUAL TYPE
Packing: 750ml 500ml 300ml, 12 cans/carton. (For special specifications, please contact us.)
Shipping: Sea or land transportation
Serving: We provide free design service, and you’ll get excellent after-sales service, we committed to solving any problems that may occur when you use our products.
7.FAQ
Q: What factors lead to the drop of PU foam adhesion?
A: Use at low temperature, dust or oil on the bonding surface, or the quality of itself.
Q: Why does the PU foam not work well when the weather is extremely cold?A: Generally, the best application temperature of PU foam is between +18℃ to +30℃, if the temperature is too low, it will be affected.
