High speed cnc machining craft customized cheap acetal derlin pom plastic gear rack rail

Customers provide design or photo or we create design according to customers' requirements.

ISO9001,SGS,FDA,RoHS,Test Report,ect.

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

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Property

Item No. 

Unit 

POM-C 

POM-H

POM-H+PTFE

Mechanical Properties

1

Density 

g/cm3 

1.41 

1.43

1.50

2

 Water absorption(23℃ in air)

% 

0.20

0.20

0.17

3

Tensile strength 

MPa 

68 

78

55

4

Tensile strain at break

%

35

35

10

5

Compressive stress(at 2%nominal strain)

MPa

35

40

37

6

Charpy impact strength (unnotched)

KJ/m2 

≥150

≥200

≥30

7

Charpy impact strength (notched)

KJ/m2 

7

10

3

8

Tensile modulus of elasticity

MPa

3100

3600

3200

9

Ball indentation hardness

N/mm2

140

160

140

10

Rockwell hardness

-

M84

M88

M84