Polyvinyl butyral Film
Polyinylbutyral film is made from PVB resin with plasticizer and prepared by the technology of extrusion and calendaring. I t can be used as the inner layer of sandwich safety glass of cars, locomotive, airplane, tanker, naval vessel etc. It can also be used as solid adhesive for safety glass, safety mask, building glazing, composite steel plate, etc. It conforms to the enterprise standard of Q/GHAD 18-2008.
pecification
|
thickness |
0.2 |
0.38 |
0.50 |
0.76 |
1.00 |
1.35 |
2.00 |
|
Width |
900-1200 |
900-1200 |
900-1200 |
900-1200 |
900-1200 |
500-950 |
500-950 |
|
Width Tolerance |
±25 |
±25 |
±25 |
±25 |
±25 |
±25 |
±25 |
|
Thickness Tolerance |
±0.05 |
±0.08 |
±0.08 |
±0.08 |
±0.10 |
±0.10 |
±0.10 |
|
Minimal Length |
2000 |
2000 |
2000 |
2000 |
2000 |
2000 |
2000 |
Note：J— Military grade; A— Auto, locomotive grade; B— Safety glass, bonding metal plate, mask, steel, laminate grade; glazing, C—Glazing inner Layer grade.
Appearance
|
Code |
Defect Type & Impurity |
|
Foreign Particle Dia. |
Air Bubble
Ф≤2.0mm |
Impurity Total Area |
|
0.5mm-1.0mm (incl.) |
1.0mm-2.0mm
(incl.) |
2.0mm-3.0mm
(incl.) |
|
E-413J(A) |
≤15个/m2 |
≤5个/m2 |
nil |
≤5个/m2 |
≤6.0mm2/m2 |
|
E-413B |
≤15个/m2 |
≤10个/m2 |
≤1个/m2 |
≤10个/m2 |
≤7.0 mm2/m2 |
|
E-413C |
/ |
≤15个/m2 |
≤15个/m2 |
≤15个/m2 |
≤10.0 mm2/m2 |