Industry engineering products 38mm white hard pps rod/tube plastic pps parts manufacturer

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sheet, rod, tube, gear, pulley, guide rail, and so on

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    Property

Item No.

Unit

Oil Nylon (Green)

 MC901 (Blue)

Nylon+MSO2    (Light black)

Mechanical Properties

1

Density

g/cm3

1.135

1.15

1.16

2

    Water absorption (23℃ in air)

%

2

2.3

2.4

3

Tensile strength

MPa

70

81

78

4

Tensile strain at break

%

25

   35

25

5

Compressive stress(at 2%nominal strain)

MPa

43

47

49

6

  Charpy impact strength (unnotched)

KJ/m²

≥50

No BK

No break

7

  Charpy impact strength (notched)

KJ/m²

4

3.5

3.5

8

     Tensile modulus of elasticity

MPa

3000

3200

3300

9

Ball indentation hardness

N/mm²

145

160

160

10

Rockwell hardness

-

M82

M85

M84

Thermal Properties

11

Thermal conductivity at 23℃

W/(K.m)

0.28

0.29

0.30

12

Melting temperature

      ℃

220

220

220

13

Glass transition temperature

℃

--

--

--

14

  Temperature of deflection(1.8MPa)

     ℃

75

80

80

15

  Max allowable working temperature in air for short periods

℃

165

170

170

16

   Max allowable working temperature    in air continuously

℃

105

105

105

17

Coefficient of liner thermal expansion  (at 23-150℃)

  m/(m.K)

90x10^-6

90x10^-6

90x10^-6

18

Flammability

UL-94

HB/HB

HB/HB

HB/HB

    Electrical

19

Electric strength

KV/mm

22

25

24

20

 Dielectric dissipation factor(at 1M Hz)

-

0.016

0.016

0.016

21

   Relative permittivity(at 1M Hz)

-

3.1

3.2

3.2

22

Volume resistivity

Ω.cm

>10¹⁴

>10¹⁴

>10¹⁴

23

Surface resistivity

Ω

>10¹³

>10¹³

>10¹³