Ultra-High Molecular Weight Polyethylene (UHMWPE) Sheets & Rods

UHMWPE Sheets

UHMWPE Sheets

Ultra-High Molecular Weight Polyethylene (UHMW-PE) sheets are a superlative engineering material celebrated for their exceptional properties. UHMW-PE is a high-density polyethylene with an extremely high molecular weight, giving rise to its remarkable strength, impact resistance, and low friction coefficient. These sheets are valued in various industries for their exceptional abrasion resistance, outstanding chemical inertness, and low moisture absorption. UHMW-PE sheets find applications in the manufacturing of wear-resistant components, such as conveyor parts, chutes, and cutting boards. Their self-lubricating nature reduces friction and wear, making them an excellent choice for machinery and equipment where durability and reduced maintenance are paramount. These sheets offer reliable, long-lasting solutions across numerous industrial sectors.

UHMWPE Rods

UHMWPE Rods

Ultra-High Molecular Weight Polyethylene (UHMW-PE) rods are solid, cylindrical structures made from a specialized variant of high-density polyethylene. UHMW-PE's exceptional properties, including high molecular weight, result in remarkable strength, impact resistance, and low friction. These characteristics make UHMW-PE rods ideal for demanding applications where wear resistance and durability are paramount. They are extensively used in industries like manufacturing, food processing, and material handling, providing reliable and long-lasting solutions for components like bearings, bushings, and conveyor parts. UHMW-PE rods' low friction properties ensure smooth operation and reduce maintenance, while their chemical resistance and low moisture absorption further contribute to their versatility and popularity across various sectors.

Technical Property Chart

TYPICAL PROPERTIES of POLYETHYLENE

**** or UL test

Property

LDPE

HDPE

UHMW

PHYSICAL

D792

Density (lb/in³) (g/cm³)

0.033

0.92

0.035

0.96

0.034

0.93

D570

Water Absorption, 24 hrs (%)

<0.01

<0.01

<0.01

MECHANICAL

D638

Tensile Strength (psi) at 72°F

1,400

4,600

5,800

D638

Tensile Strength (psi) at 150°F

400

400

400

D638

Tensile Modulus (psi)

57,000

200,000

80,000

D638

Tensile Elongation at Break (%)

100

400

300

D790

Flexural Strength at Yield (psi)

1,500

4,600

3,500

D790

Flexural Modulus (psi)

29,000

174,000

88,000

D695

Compressive Strength (psi)

1,400

4,600

3,000

D695

Compressive Modulus (psi)

54,000

100,000

80,000

D732

Shear Strength (psi)

-

-

3,000

D785

Hardness, Shore D

D45

D69

D62-D66

D256

IZOD Notched Impact (ft-lb/in)

No Break

1.3

No Break

THERMAL

D696

Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F)

-

6

11

 

D648

Heat Deflection Temp (°F / °C) at 66 psi

at 264 psi

 

120 / 48

116 / 46

 

170 / 76

176 / 80

 

203 / 95

180 / 82

D3418

Approx. Melting Temperature (°F / °C)

244 /

118

260 /

125

275 /

136

-

Max Operating Temp (°F / °C)

160 / 71

180 / 82

180 / 82

 

C177

Thermal Conductivity (BTU-in/ft²-hr-°F)

(x 10-4 cal/cm-sec-°C)

 

-

-

 

-

-

 

2.84

10.0

UL94

Flammability Rating

HB

HB<

HB

ELECTRICAL

D149

Dielectric Strength (V/mil) short time, 1/8"

thick

460-700

450-500

2300

D150

Dielectric Constant at 1 MHz

2.25-

2.30

2.30-

2.35

2.30-

2.35

D150

Dissipation Factor at 1 kHz

0.0002

0.0002

0.0005

D257

Surface Resistivity (ohm/square) at 50% RH

> 1015

> 1015

> 1015

D495

Arc Resistance (sec)

135-160

200-250

250-350