Payment & Shipping Terms:
|Roughness:||28-50 Um||Elongation At Peak:||200%|
|Tensile Strength:||20MPa||Thickness:||OEM 0.3-1.52mm|
|Purpose:||Glass Curtain & Auto Glass|
pvb middle layer,
sgp glass interlayer
PVB Film 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.
The advantages and characteristics of PVB layer films
3 Structural integrity
6 Heat insulation
|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|
|2.1||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|
|7||Shrinking rate (60/15min) ( % )||≤12|
Every PVB layer rolls should be sepatared by PE film and vacuumed by aluminum foil,and put into wooden case.
The product should be stocked in a clean warehouse and normal temperature.It is prohibited to leave it under direct sunlight.Once the packing is broken or opened,it should be stocked under temperature of 15-25 ℃ and a relative humidity of 20%-40%.
Well-packed and under nomal temperature,the product has a quality guarantee of 2 years.
Contact Person: Yu