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UHMW-PE(GUR), (UPE)

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  • Dimension
  • Physical property

UHMW-PE(GUR), (UPE)

UPE (UPE) ultra-high molecular weight polyethylene
■ UHMW - Polyethylene

~ Ultra-high molecular weight polyethylene with wear resistance, food hygiene, economics ~

Overview

It refers to high-density polyethylene with average molecular weight of approximately 100 million or more. It is called ultra high molecular weight polyethylene (UHMW-PE) and generally known as "UPE". As it has the best impact resistance of all the thermoplastics as well as a remarkable wear resistance, it is mainly used in applications where a low friction coefficient, wear resistance, and impact resistance are required, such as guide rail, chain guide, chain conveyor, roller, etc. of return machines.

Features

① Best impact resistance (among all the plastics)
② Exceptional wear resistance (superior to enpla or stainless steel such as POM, 6N, etc.)
③ Self-lubricating (low friction coefficient and excellent sliding property)
④ Chemical resistance (not invaded by corrosive chemicals, except for strong acids)
⑤ Very low absorption (optimal where water is involved)
⑥ Continuous operating temperature = 80℃ (low continuous operating temperature = -100℃)
⑦ Low temperature property (cryogenic continuous operating temperature = -270℃, maintains high impact resistance and abrasion resistance under cryogenic temperature)
⑧ Non-toxic (completely harmless, even in direct contact with food, conforms to food hygiene law)
(Completely harmless, even in direct contact with food, conforms to food hygiene law.)

Uses

● Parts for food processing machinery and packaging machinery
● Parts for paper machinery and return machinery
● Machine parts including guide rail, star foil, chain guide, chain conveyor, roller, screw, etc.
● Fender, recreational facility, agricultural machinery, hopper, silo, etc.

UHMW-PE(GUR), (UPE) Rods

Diameter(mm)

Tolerance(mm)

Specifications

20

+0.1 ~ +1.5

1000

25

1000

30

1000

40

+0.3 ~ +3.0

1000

50

1000

60

1000

70

1000

80

+0.5 ~ +6.0

1000

90

1000

100

1000

110

1000

120

1000

130

1000

140

1000

150

1000

160

1000

170

1000

180

1000

190

1000

200

1000

UHMW-PE(GUR), (UPE) Board

Diameter(mm)

Tolerance(mm)

Specifications

5

+0.1 ~ +1.0

1000 x 2000

6

1000 x 2000

8

1000 x 2000

10

+0.2 ~ +2.0

1000 x 2000

12

1000 x 2000

15

1000 x 2000

20

1000 x 2000

25

+0.3 ~ +3.0

1000 x 2000

30

1000 x 2000

35

1000 x 2000

40

1000 x 2000

45

+0.5 ~ +4.5

1000 x 2000

50

1000 x 2000

60

1000 x 2000

70

1000 x 2000

80

1000 x 2000

100

+1.0 ~ +5.0

1000 x 2000

Varieties

U-PE

Items

Test Method
ASTM

Unit

specific gravity

D-792

G/㎠

0.94

Tensile strength

D-638

MPa {kgf/㎠}

31 {320}

Elongation

D-638

%

500

Tensile Modulus

D-638

MPa {kgf/㎠}

-

Compressive strength

Yield point

D-695

MPa {kgf/㎠}

-

5%Transformation (10%Transformation)

D-695

MPa {4.6kgf/㎠}

20 {200}

Flexural strength

D-790

MPa {kgf/㎠}

20 {200}

Flexural modulus

D-790

MPa {106kgf/㎠}

883 {9}

IZOD Notched Impact value

D-256

J/m{kgf•cm/2.54cm}

-

Rockwell hardness

D-785

R-Scale

52

Shorer hardness

D-785

D type

-

Melting point

-

-

Heat Deflection Temperature

0.445MPa {4.6kgf / ㎠}

D-648

89

1.820MPa {18.6kgf / ㎠}

D-648


54

Continuous use temperature

-

+80 -100

Coefficient of Linear Thermal Expansion

D-696

x105/℃

20.0

Absorption(Underwater, Equilibrium)
(Underwater, 24hrs)

D-570
D-570

%
%

-
-

Volume resistivity

D-257

Ω•m {Ω•cm}

>1011 {>1013}

Breakdown voltage
Permittivity 106Hz
Dielectric loss tangent 106Hz

D-149
D-150
D-150

Kv/mm
-
-

-
-
-

Combustibility

(UL94)

-

-

Chemical resistance

Oil
acid
Alkaline
Organic solvents

-
-
-
-

-
-
-
-