Pittseal 444 (Sealer)
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 machineryPittseal 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°CIt 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 contact us on 0191 237 0444 to discuss datasheets and the current DoP.
