Bondlaza polyurethane foam sealant B1

Bondlaza B1 is a single-component, high performance, gun-grade polyurethane foam that performs as gap filling. Bondlaza B1 is CFC-free and can be applied over a wide temperature range, making it a reliable, four-season solution.  

  • Suitable for gap filling around window and door
  • Expands and moulds itself to surface irregularities
  • Can be cut, sawn, sanded, painted or plastered over
  • For use with a foam gun
 

This product is a self-expanding, moisture curing, strong bonding, one-component polyurethane foam sealant.

The normal operating temperature of the foam sealant is 5°C to 35°C, and cured PU foam is resistant to temperatures from -30 °C to +80 °C.

Product Details

Tack free time

8–10 minute
Cutting time (30 mm bead)

25–30 minute
Completely cured in joint (at +23 °C)

hour up to 12
Completely cured in joint (at -5 °C)

hour up to 24
Density

18–25 kg/m3
Post-expansion %

up to 30
Flash point of cured foam °C

>300°C

Application

Clean grease, oil, dirt and water off surfaces to be foamed. Spray some water mist for wetting if humidity below 50%.

 

Shake can for 60 seconds before use, then install the foam gun on the can.

 

Start injection of the compound and move the nozzle from side to side, from bottom to top

 

Cut the excess foam after it is cured, normally after 60 minutes