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POM


Acetal POM C has physical properties that are not available with metals or most other plastics; high mechanical strength and rigidity,low coefficients of friction,low moisture absorption, excellent dimensional stability,fatigue endurance, and resistance to abrasion and creep.These materials are also resistant to a wide range of solvents and have good electrical properties.


POM C is easily machinable and is genuinely porosity-free making it the preferred grade for food contact and medical applications.

POM C products,eg.,rod,sheet,exhibit an elevated resistance to strong alkalis,thermal-oxidative degradation and hydrolysis when compared to acetal POM H.


Technical Data

Properties

Test  Standard

Unit

Result

Density

ASTM  D-792

g/cm3

1.41

Long Time Working Temperature

---

110

Water  Absorption

ASTM  D-570

%

0.2

Yield Tensile Strength

ASTM  D-638

MPA

60

 Tensile Strength

ASTM  D-638

MPA

65

Elongation  at Break

ASTM-D638

%

25

Flexural  Strength

ASTM  D-790

MPA

80

Flexural  Modulus

ASTM  D-790

MPA

2650

Impact  Strength

ASTM  D-256

J/M

74

Hardness

ASTM  D-785

---

84

Melting  Point

DSC

160

Thermal  Conductivity

23

w/(k-m)

0.31

Heat  Deflection Temperature

ASTM  D-648

130

Linear  Expansion Coefficient

ASTM  D-696

*10-5cm/cm/

10

Volume Resistant

ASTM  D257

Ω.cm

1013

Surface Resistant

ASTM  D257

Ω

1013

Dielectric Constant

ASTM  D150

---

3.7

Friction Coefficient

ASTM  D53375

---

0.35

Anti-U.V.

---

---

NO


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