BOPS WINDOWS ENVELOPE FILM (Biaxially oriented polystyrene film)

BOPS windows envelope film (environmental protection type) 

1.  Spec. sizes :
BOPS window envelop film  (Biaxially oriented polystyrene film)

Density: 1.02-1.05(g/CM3)
Color: Clear/ transparent,
Thickness: 22.5 g/m2 (25 Microns), 27 g/m2 (30 Microns), 29 g/m2 ( 32 Microns), 35 g/m2 ( 39 Microns),
Width : 100,115,120,125,130,135,140,150... MM.
Length : 2000-4000M .

Specifications: Density: 1.05 (g/cm3)
Color: Transparent
Thickness: 20-50 micron
Width :90-500 MM
Length: 3000-4000 M
Production: 10,000 tons per year.
Packing: rolls with cardboard boxes.

Features: high gloss (transparent window film 116; the extinction window film 57.9), haze is small (transparent window film is 0.7; the extinction window ≥ 2600 MPa), the tensile strength MD ≥ 50MpaTD ≥ 70Mpa. Controllable optical properties of the haze transparent window film ≤ 3 extinction window film ≤ The the 1825 gloss transparent window film ≥ 100 extinction window film 5565. The modulus of elasticity MD ≥ 2600MpaTD ≥

Uses:
1) courier envelope window film or gift packaging box with window film. A lot of business letters need to open the window design, the various mailing tariff notification, such as: telecommunications, banks, government agencies, etc.. And the original cassette packaging steering fenestration packaging. The envelope window packaging and all kinds of gifts fenestration packaging business needs, BOPS window film came into being and continue to grow.