High Transparency Solid Polycarbonate Sheets

Inspection Items

Technical Indicators

Inspection Result

Single Determination

Tensile Yield Stress  MPa

Transverse

≥55

68.0

Qualified

Lengthways

≥55

67.7

Qualified

Nominal Strain Fracture

Transverse

≥60

112

Qualified

Lengthways

≥60

109

Qualified

Tensile Moudulus Elasticity  MPa

Transverse

≥2200

2.35*10³

Qualified

Lengthways

≥2200

2.30*10³

Qualified

Charpy Notched Impact Strength kj/m²

Transverse

≥6

11.3 (c)

Qualified

Lengthways

≥6

10.7(c)

Qualified

The Theraml Ddformation Temperature °c

≥130

137

Qualified

The Vicat Softening Temperature °c

≥145

146

Qualified

Light Transmittance

≥80

88.2

Qualified

Density

1.195

GB/T 1033.2-2010

Chiaracteristics

Unit

Data of twin-wall hollow sheet

Data of triple-wall hollow sheet

Data of polycarbonate solid sheet

Light transmission

%

40-82

25-75

88-92

Impact strength

J/m

2.1-2.3

2.4-3.5

5.

Coefficient of thermal expansion

mm/m°c

0.065

0.065

0.065

Heat conductivity

W/m²°c

3.0-3.9

2.2-3.2

0.21

Service temperature

°c

-40°c~+120 °c

-40°c~+120 °c

-40°c~+120 °c

Tensile strength

n/mm²

≥60

≥60

≥60

Bending strength

n/mm²

100

100

100

Bending elastic modulus

mpa

2400

2400

2400

Tensile stress

mpa

≥65

≥65

≥130

Elongation at break

%

≥100

≥100

≥130

Sound insulation effect

db

20decibel decrease for 10mm thick sheet

25decibel decrease for 16mm thick sheet

35decibel decrease for 6mm thick sheet

No.

Characteristics

Unit

PC multi-wall sheet

PC solid sheet

1

(1m,1kg)Falling dart impact

No cracks on surface

No cracks on surface

2

Tensile yield strength

Mpa

> 

> 

3

Shore hardness

80.4(A)

81.2(A)

4

Bending elastic modulus

Gpa

2.4

2.12

5

Elongation at break

%

65

130

6

Light transmissivity(clear)

%

80.2(6mm)

88(3mm)

7

Service temperature

°c

-40 °c~+120 °c

-40 °c~+120 °c

8

Heat deformation temperature

(1.8Mpa)

°c

134

139

9

Coefficient of linear expansion

(-30 °c)~+30 °c

°c-1

6.4*10^-5

7.23* 10^-5