Pittseal 444 is a single component, non-hardening butyl based sealer that does not dry but forms a soft skin after 1-3 hours. Pittseal 444 sealant can be used:
- to seal joints between Foamglas slabs or pipe coverings
- to seal protrusions and metal jacket laps
- to seal wall/ceiling, wall/floor and wall/wall junctions
- as a sliding layer in expansion/contraction joints
- as bedding compound behind Foamglas insulation on piping and machinery
Pittseal 444 adheres to Foamglas cellular glass and many other surfaces such as steel, concrete, wood, etc.
Properties
|
Type |
Butyl based sealant |
|
Service temperature range
|
-50°C to +80°C It has been successfully tested at cryogenic temperatures at which it still gives an acceptable elasticity |
|
Application temperature |
10°C to 25°C |
|
Drying time |
Non-drying, skin in 1-3 hours |
|
Density |
1.5kg/dm³ |
|
Colour |
White |
|
Permeability |
0.01 perm cm |
|
Water vapour diffusion resistance factor |
µ = ca. 23,000 |
|
Flash point (Pensky Martens Closed Cup) |
+40°C |
|
Flame resistance, dry |
Combustible |
|
Solids |
87% of volume |
|
Solvents |
Mineral oil solvents |
Please feel free to download our data sheets;