Chemical specifications

No

Item

Unit

Indicators

1

Melting index

g/10min

Superior

Excellent

Qualified

2

Thermal weight loss

%/min

9±1

9±2

9±2

3

Unstable base (in formaldehyde)

Ppm

≤0.04

0.05-0.060

≤0.1

4

Chrome (b) value

≤0

≤0.5

≤1.5

5

Powder

%

≤0.01

≤0.01

--

Physical specifications

1

Melting index

g/10min

9±1

2

Hardness (M)

--

70-80

3

Flexural strength

MPa

75-95

4

Elastic coefficient

MPa

2430-2970

5

Tensile strength

MPa

56-68

6

Extend rate

%

30-50

7

Strength of impact

J/m

58-70

8

Water absorption rate

%

0.2-0.26

9

Molding shrinkage rate

%

1.8-2.2