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 componetns Plyurethane glue detail as follow:
|
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 |
Panel protective film
Its a kind of self-adhesive PE film which is specially designed f, its thickness and width can be various.