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JS-999
Flame retardant polyurethane foam sealant

This product is a one component polyurethane foam caulking agent, which is sealed and smoke proof, self extinguishing when out of fire, and will not drop fireballs when burning, so it can effectively reduce the hazard of fire.

Product features

Sealed smoke proof, self extinguishing after ignition

B2 flame retardant grade

Good insulation and sound insulation performance

Prevent window frame deformation

Product parameters
Parameter
Parameter units at+23 ℃ and 50% relative humidity
Foam volume (free foam) L>45
Cutting time<30
Complete curing time hours 24
Thermal conductivity( λ) [watt/meter * km] 0.045
Rear expansion rate% ≤ 10%
Flame retardant grade B2
*All the above data were tested according to the internal testing standards of Hangzhou Zhijiang; The test results depend on external conditions, usage methods, and tools used. Foam sealant is a chemical, so its foaming amount and structure may change with time. To achieve the best application effect, it is recommended to use the Hangzhou Zhijiang specialized foaming gun.
Operation and Safety
  • 1. Shake the material tank vigorously (for 20-30 seconds, with the valve facing downwards) to mix the ingredients inside the tank;
  • 2. Install the material tank onto the glue gun:
  • 3. When applying glue, the valve should be facing downwards;
  • 4. Vertical gaps should be glued from bottom to top;
  • 5. There is no need to fill the entire gap - foam will expand proportionally;
  • If filling the door and window frames, the maximum width of the gap should be 3cm. Foaming agents should not be used in gaps larger than 5cm
  • 7. The glue application speed and foam thickness shall be controlled by effectively applying pressure on the glue gun trigger;
  • If the glue application is stopped for more than 5 minutes, the material tank should be shaken again before continuing the glue application.
Color and packaging

Capacity: 750ml; Weight: 900g; Packaging: aerosol cans; 15 pieces/box

Storage and expiration date

The shelf life of the original packaging in a dry and ventilated environment at 27 ℃ or lower is 12 months from the date of production.