Joint foam B1
1C gun foam B1
GUNFM-1C-JOINT-B1-750ML
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Flame-retardant
General construction permit, complies with building material class B1 in accordance with DIN 4102, Part 1
For universal use
- Suitable for a range of indoor and outdoor applications
- Excellent adhesion on nearly all structural substrates
- Once hardened, can be plastered over, painted and glued
- Resistant to ageing, non-rotting, mould-resistant, but not UV-resistant
Excellent dimensional stability and rapid hardening
- No volume shrinkage
- Minimal post-expansion once the product has fully hardened
Excellent filling volume
Solvent-free
Hardened polyurethane foam should be protected against UV exposure by painting over or sealing with e.g. silicone, polyurethane, acrylic or hybrid polymer, or by covering. Primer should be applied to porous and absorbent substrates. Joint foam B1 can be used in the PURlogic Xpress, art. no. 0891 152 4 foam guns. Other guns are not compatible!
The usage instructions are recommendations based on the tests we have conducted and based on our experience; carry out your own tests before each application. Due to the large number of applications and storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We guarantee consistent quality of our products. We reserve the right to make technical changes and further develop products.
Joint foam B1 is a flame-resistant, ready-to-use, single-component, self-expanding polyurethane foam delivering excellent filling properties. Ideally suited for applications with B1 requirements such as filling joints, holes and cavities with foam, i.e. between insulating panels, roof finishings, roller shutter boxes, as well as in the construction of equipment and metalworking. For insulating window sills, window frames as well as in refrigerated lorries and walk-in refrigeration construction.
Protect the surfaces adjacent to the working area against contamination before starting work. Ensure that elements that can become deformed such as window sills and door frames are sufficiently secure. Shake can vigorously 20 times before use. Screw the can all the way into the gun support - do not screw too far or tilt. Foam continues to expand after application. Immediately remove splashes of foam with PURlogic Clean, art. no. 0892 160. Thoroughly clean the gun and valve after use. Always leave the open can screwed onto the gun. For more information, please refer to the technical data sheet.
Chemical basis | Polyurethane |
Colour | Blue |
Moulded density | 22 kg/m³ |
Cell structure | Fine |
Cell structure conditions | tested in accordance with Würth test methods |
Tack-free after | 25 min |
Conditions for being tack-free | at 23°C and 50% humidity |
Can be cut after | 30 min |
Conditions for ability to cut | at 23°C and 50% relative humidity |
Final spreading possible after | 3 h |
Full resilience | 24 h |
Conditions for full resilience | at 23°C and 50% relative humidity |
Min. processing temperature | 5 °C |
Max. processing temperature | 35 °C |
Min. ambient processing temperature | 5 °C |
Max. ambient processing temperature | 35 °C |
Min. surface processing temperature | 5 °C |
Max. surface processing temperature | 35 °C |
Min. processing temperature for can | 5 °C |
Max. processing temperature for can | 30 °C |
Min. temperature resistance | -40 °C |
Max. temperature resistance | 90 °C |
Building material class | B1 - Of low flammability |
Building material class conditions | in accordance with DIN 4102-1 |
Water absorption (%) | 1 Vol-% |
Water absorption conditions | in accordance with DIN EN 1609 |
Compression strength | 3.9 N/cm² |
Compression strength conditions | in accordance with DIN 53421, at 10% compression |
Ultraviolet resistance | No |
Breaking elongation | 10 % |
Breaking elongation conditions | in accordance with DIN 53571 |
Flexural strength | 0.7 N/mm² |
Conditions for flexural strength | in accordance with DIN 53423 |
Shear strength | 0.14 N/mm² |
Conditions for shear strength | in accordance with DIN 53427 |
Yield (volume) approx. | 40 l |
Contents | 750 ml |
Container | Aerosol can |
Weight of content | 780 g |
Resistance against | Solvent, Chemicals, Petrol, Oil, Colours |
FC-free | Yes |
Shelf life from production | 12 Month |
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