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1.PRODUCT FEATURE OF GNS® B1 CLASS FIRE RETARDANT PU FOAM GUN 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);
●Self-extinguish when the fire leave;
●High thermal and acoustical insulation;
●Strong surface after curing;
●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 B1 CLASS FIRE RETARDANT PU FOAM GUN 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 GUN TYPE
●Installing, fixing and insulating of door and window frames;
●Filling and sealing of gaps, joint, openings and cavities;
●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 B1 CLASS FIRE RETARDANT PU FOAM GUN TYPE
5.STORAGE AND SHELF LIFE OF B1 CLASS FIRE RETARDANT PU FOAM GUN 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 GUN 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: Why does the PU foam turn yellow after a long time?
A: Normally it will turn yellow when the cured foam exposed to ultraviolet rays for a long time.
Q: If the PU foam shrinks after curing, what effect will it bring?A: It will damage doors and windows and the performance of PU foam will be reduced.
