PVB Interlayer for glass curtain wall
PVB Interlayer is a macro molecule material made with Polyvinyl
Butyral resin plasticized and extruded by plasticize and
additives,and mainly used for producing laminated safety glass.
1. Automotive Grade PVB film/Interlayer:
Automotive Grade PVB film is the main material to produce
windshield.
The Color can be Clear,F green,Green on Clear,Blue on Clear,Gray on
Clear,Green on F green,Blue on F green,Gray,Gray Black and so on.
2. Architectural Grade PVB film/Interlayer:
Architectural Grade PVB film has wide range usage in the field of
architectural glass,such as construction wall,cover grid,show
wind,bank counter,screen of steel-smeding furnace and bulletproof
glass and so on
| No. | Classfication
ltems | 0.38mm | 0.76mm |
| 1 | Appearance | |
| 1.1 | Appearances | Achromatic or slinghtly yellow lucid film With velvet surface that
has no scar or crease . |
| 1.2 | Dotted waste sundries and air buhbles | |
| ≤0.05 | Allowed if exist separately |
| 0.05 | Not exceeding 8 places per film | Not exceeding 5 places per film |
| | Making marks Define an extanded 0.5 metar film per place Add one
extra meter par place |
| 2 | Size | |
| 2.1 | Thickness ( mm ) | 0.38±0.02 | 0.76±0.02 |
| 2.2 | Uniformity | Horizontal thickness warp should not exceed 15um at a distance of
25mm; horizontal Ehickness warp Should not exceed 20um at a
distance of 50cm. |
| 2.3 | Length tolerance (m ) | 0-5 | 0-2 |
| 2.4 | Width tolerance ( mm ) | 0-20 |
| 3 | Moisture ( % ) | 0.4-0.6 |
| 4 | Extending intansion ( MPa ) | ≥20.0 |
| 5 | Ruplura extending rate (%) | ≥200 |
| 6 | Fograge (%) | <0.4 |
| 7 | Shrinking rate (60/15min) ( % ) | ≤12 |
Package Detail
1. Every PVB film insulated with PE film
2. PVB film roll is vacuumed foil bag.
3. Then packaged into plywood box or fiber can.
