GNS A40 Professional low expansion acoustic expanding PU foam spray can insulation polyurethane sealant
GNS A40 Professional low expansion acoustic expanding PU foam spray can insulation polyurethane sealant is a one-component, economical type and good performance Polyurethane foam. It is fitted with a plastic adaptor head for use with a foam application gun or a straw. The foam will expand and cure by moisture in the air. It is used for a wide range of building applications. It is very good for filling and sealing with excellent mounting capacities, high thermal and acoustical insulation.
PRODUCT FEATURES
- 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 );
- Very good filling capacities;
- Application temperature is between + 5ºC to +35ºC;
- Optimal application temperature is between +18ºC to +30ºC;
- It contains CFC-free propellants which are harmless to the ozone layer.
TYPICAL PROPERTIES
| 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) |
45~55 |
| Yield (L) |
28 |
| Shrink |
None |
| Post Expansion |
20% |
| Cellular Structure |
>84% close cells |
| Specific Gravity (kg/m³) |
14 |
| Temperature Resistance |
-50ºC~+80ºC |
| Application Temperature Range |
+18ºC~+30ºC |
| Colour |
White |
| Fire Class (DIN 4102 ) |
B3 |
| Insulation Factor (Mw/m.k) |
0.044 |
| Compressive Strength (kPa) |
98 |
| Tensile Strength (kPa) |
125 |
| Adhesive Strength(kPa) |
90 |
| Water Absorption (ML) |
0.5~2(no epidermis) |
| <0.5(with epidermis) |
Audited Supplier 
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