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Laminated Glass Used PVB Interlayer Film for Automotive
PVB interlayer film is a polymer material made from polyvinyl butyral and plasticizer through plasticization, formed by pressuring with other additives. Characterized by transparency, resistance to heat, cold and humidity, and high mechanical strength, it is particularly suitable to be used as bonding material for inorganic glass, for laminated safety glass production.
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Product Detail

Introduction:


PVB interlayer film is a polymer material made from polyvinyl butyral and plasticizer through plasticization, formed by pressuring with other additives. Characterized by transparency, resistance to heat, cold and humidity, and high mechanical strength, it is particularly suitable to be used as bonding material for inorganic glass, for laminated safety glass production.
Safety glass is composed of two or more pieces of glass with PVB interlayer film in between by heating and high pressure. The laminated glass has special properties such as anti-penetration, sound proof, thermal insulation, anti-UV rays, resistance to heat and cold. In addition, the reflection coefficient of PVB interlayer film is very close to that of glass itself. So the laminated glass remains the same purity and transparency as ordinary glass.


Features:

High
mechanical strength
Resistance to heat, cold and humidity


Application:

Laminated safety glass.
Automotive glass


Typical Specifications:

Thickness(mm)

Color

Clear Width

Width of Color Band(mm)

Length(m)

0.38

clear

550-3500

/

400

blue band

550-2800

120-500

400

green band

550-2800

120-500

400

colored

/

550-3500

400

0.76

clear

550-3500

/

200

blue band

550-2800

120-500

200

green band

550-2800

120-500

200

colored

/

550-3500

200

1.52

clear

550-3500

/

100

blue band

550-2800

120-500

100

green band

550-2800

120-500

100

colored

/

550-3500

100

Technical Data:

0.38mm

0.76mm

1.52mm

Color

Achromatic, or slightly yellow, transparent

Appearance

Smooth surface without wrinkle

Foreign particles

≤0.05mm2

No more than 3 in each roll; add 1 meter at each of them

>0.05mm2

Not allowed

Size

Width(mm)

500-3500

Length(mm)

20-400

20-200

100

Length tolerance(mm)

+0-5

+0-2

+0-1

Width tolerance(mm)

+0-15

+0-15

+0-15

Thickness tolerance(mm)

±0.02

±0.02

±0.03

Moisture Content(%)

<0.5

<0.5

<0.5

Tensile Strength(Mpa)

≥20

≥20

≥20

Breaking Strength(%)

≥200

≥200

≥200

Haze(%)

Construction

<0.4

<0.7

<1.2

Automotive

<0.3

<0.5

<0.8

Shrinkage(%)60 ºC,15 min

<8

<4

<2

Transmittance(%)

≥88

≥88

≥88

Elongation at break(%)

≥160

≥160

≥160

Adhesive strength (Mpa)

≥8.0

≥8.0

≥8.0

UV aging test(750w uv light, 100h)(%)

Change rate ≤2

Heat aging test(70±2 ºC,humidity≥90%

After 48 hours, the sample does not change

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Laminated Glass Used PVB Interlayer Film for Automotive




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