Item

Content

Result

Standard

1

Appearance

Smooth surface, uniformity of thickness, no crack or other defect.

GB/T 8814-2004

2

Density  g/cm3

1.648

GB/T 1033.1-2008

3

Bending strength  MPa

48.2

GB/T 9341-2008

4

Flexural modulus  GPa

2.70

GB/T 9341-2008

5

Tensile yield stress  MPa

26.3

GB/T 1040.2-2006

6

Tensile fracture strain  %

26

GB/T 1040.2-2006

7

Freeze-resistance properties  (circulate 10 times)

surface has no crack, hollowing, blister or stripping.

JG 149-2003

8

Falling ball impact test at low temperature (damage number/impact number) (-10℃, 1m, 1.0kg)   piece

0/10

GB/T 8814-2004

9

Thickness   mm

3.04

QB/T 8814-2004

10

Appearance when heated to 150℃

No bubble, crack or hard spot

GB/T 8814-2004

11

Dimension change rate %

1.29

GB/T 8814-2004

12

Co-extrusion layer thickness mm

0.18

GB/T 2976-2008

13

Vicat softening temperature (B50) ℃

80.2

GB/T 1633-2000

14

Wind load KPa

2.0

GB/T 7106-2002

15

Hard to burn

B1 grade

Oxygen index: 32.5

GB/T 2406-1993

16

Vertical burning

FV-0

GB/T 2408-1996

17

Horizontal burning

FH-1

GB/T 2408-1996