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1.PRODUCT FEATURE OF GNS® EXPANDING PU SPRAY FOAM MANUAL TYPE
●Good 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;
●Strong adhesion for wide of construction material except for plastics, polyethylene and polypropylene;
●Application temperature is between + 5℃ to +35℃;
●Optimal application temperature is between +18℃ to +30℃;
●It contains CFC-free propellants which are harmless to the ozone layer.
2.PERFORMANCE DATA OF GNS® EXPANDING PU SPRAY FOAM MANUAL TYPE
| Base | Polyurethane |
| Consistency | Stable Foam |
| Curing System | Moisture-cure |
| Tack-Free Time (min) | 8~9 |
| Drying Time | Dust-free after 13-15 min. |
| Cutting Time (min) | 60~70(+25℃) |
| Yield (L) | 43 |
| Shrink | None |
| Cellular Structure | >84% close cells |
| Specific Gravity (kg/m³) | 19 |
| Temperature Resistance | -50℃~+80℃ |
| Application Temperature Range | +18℃~+30℃ |
| Colour | white |
| Fire Class (DIN 4102 ) | B3 |
| Insulation Factor (Mw/m.k) | 0.039 |
| Compressive Strength (kPa) | 140 |
| Tensile Strength (kPa) | 200 (10%) |
| Adhesive Strength(kPa) | 130 |
| Water Absorption (ML) | 2~3(no epidermis) |
| <0.5(with epidermis) |
3. APPLICATIONS AREAS OF GNS® EXPANDING PU SPRAY 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® EXPANDING PU SPRAY FOAM MANUAL TYPE
5.STORAGE AND SHELF LIFE OF EXPANDING PU SPRAY 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 EXPANDING PU SPRAY 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: How to choose gun type PU foam or manual type PU foam?
A: For construction tasks, gun type is more recommended to use because it is more professional and the running mater is longer than manual type, thus it will save more costs. For home use or DIY, manual type is more recommended because it is more convenient to use, but it also about the market demand.
Q: What’s the advantage of pre-expansion ?A: Pre-expansion will not damage doors or windows after the foam curing, and it can prevent waste and save cost.
