Sandwich panel glue (PU glue)
It is a two components Polyurethane glue, which are separated pumped and dispensing on coil surface, then mixed together by spread brush, finally foaming and curing in main lamination machine.
The two components polyurethane glue as below:
|
Component A |
Component B |
Appearance |
Light brown |
Dark brown |
Main components |
Polyether polyol |
Isocyanate |
Net weight (Kg/drum) |
200 |
250 |
Gross weight (Kg/ drum) |
215 |
265 |
Packing |
Steel drum |
Steel drum |
Mix ratio |
1:1.25 |
|
Foaming time (s |
20-40, adjustable |
|
Curing time (s) |
50-70, adjustable |
|
Shearing strength (Mpa) |
≥200 |
|
Peeling strength (Mpa) |
≥300 |
Its a kind of self-adhesive PE film which is specially designed for sandwich panel surface protection purpose, its thickness and width can be various.