Polyurethane foam for EXPAN-MAX W-MAX gun
1C gun foam EXPAN-MAX W-MAX
GUNFM-1C-(W-MAX)-EXPANMAX-750ML/715G
W-MAX
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The product cures and expands on contact with water and air humidity. It has a uniform structure, with excellent expansion capacity and high resistance to wear, cold and most chemicals. Made with CFC-free gases, which do not affect the ozone layer.
- Wide range of applications.
- CFC-free. Does not affect the ozone layer.
- Excellent capacity for thermal and acoustic insulation.
- Excellent dimensional stability. Does not contract or expand after curing.
- Flammability class (DIN 4102-1): B3.
- Excellent adhesion on all materials (except PE, PP, PTFE and silicones).
- After curing, the foam withstands temperatures between -50 °C and 90 °C.
Keep the product sealed and in its original packaging.
Store away from sunlight and rain.
Keep out of reach of children and animals.
Do not store together with food, beverages or medicines.
Store away from heat sources.
Do not store in humid places or places with a temperature above +50 °C.
Validity: 12 months from the date of manufacture.
Not recommended for use in areas that will be submerged in water for long periods.
Do not use on PE, PP, PTFE or silicones (does not adhere).
Protect the foam from UV radiation after application. This can be done with paint or a coat of sealant (MS polymer/silicone).
Datasheets(X)
- Ensures excellent adhesion to concrete, brick, tile, wood, metals, rigid PU foam, polystyrene and a wide variety of plastics such as rigid PVC.
- Bonding, mounting, attaching, installing and placing of doors, windows, electrical outlets, bathtubs, sinks, ventilation pipes, wall joints, screens, ceilings, chambers, refrigeration panels etc.
- Thermal and acoustic insulation.
For use in the automotive industry
- Bonnet crossbars, door bottoms, internal side contacts, car boots, sound installation, assembly of sealed acoustic boxes etc.
- Clean the surface to which the product is to be applied, removing oil and dirt.
- Shake the container vigorously for at least 30 seconds.
- Moisten the materials with water. This step improves adhesion and speeds up hardening.
- Always use the container upside down.
- Fill the cavity to approx. 65 % of its volume, as the foam will expand.
- Constantly shake the container during operation.
- If you need to apply more coats, spray the previous coat with water.
- The foam dries to the touch in 16 minutes, can be cut after 40 minutes and cures completely after 18 hours (23 °C and 50 % relative humidity).
- These times may vary depending on the ambient temperature.
- The ideal application temperature varies between 5 °C and 30 °C.
Chemical basis | Polyurethane |
Colour | White |
Smell/fragrance | Characteristic |
Moulded density | 18 kg/dm³ |
Cell structure | Fine |
Tack-free after | 10 min |
Conditions for being tack-free | at 23°C and 50% humidity |
Can be cut after | 1 h |
Conditions for ability to cut | at 15°C and 50% relative humidity |
Conditions for final spreading | at 20°C and 50% relative humidity, tested in accordance with Würth test methods |
Full resilience | 3 min |
Min. processing temperature | 5 °C |
Max. processing temperature | 35 °C |
Min. ambient processing temperature | 0 °C |
Min. surface processing temperature | 5 °C |
Max. surface processing temperature | 35 °C |
Max. processing temperature for can | 50 °C |
Min. temperature resistance | -30 °C |
Max. temperature resistance | 85 °C |
Building material class | B3 - Of high flammability |
Heat conductance λ | 0 J/(m*s*K) |
Ultraviolet resistance | No |
Yield (volume) approx. | 21 l |
Conditions for yield | at 23°C and 50% humidity |
Contents | 750 ml |
Container | Canister |
Weight of content | 715 g |
Shelf life from production | 12 Month |
Conditions to maintain shelf life from production | at 5°C to 25°C |
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