HDPE Sheets & Rods

HDPE Sheets

HDPE Sheets

High-Density Polyethylene (HDPE) sheets are a versatile and widely-used thermoplastic material known for their exceptional durability and chemical resistance. These sheets are manufactured from HDPE resin through a heat and pressure process, resulting in a sturdy, opaque material with excellent mechanical properties. They are used in diverse applications, including water and chemical storage tanks, playground equipment, cutting boards, and more, thanks to their resistance to moisture, chemicals, and UV rays. HDPE sheets are also environmentally friendly and recyclable. Their ease of fabrication through cutting, welding, and thermoforming makes them a preferred choice for various industrial, construction, and DIY projects, offering reliability and longevity.

HDPE Rods

HDPE Rods

High-Density Polyethylene (HDPE) rods are solid cylindrical structures made from HDPE, a robust thermoplastic material with a wide range of applications. Known for their exceptional durability, chemical resistance, and lightweight nature, HDPE rods are favored in various industries. They excel in applications where moisture, corrosion, and chemical resistance are essential, such as water treatment plants, chemical processing, and marine environments. HDPE rods offer excellent electrical insulation properties, making them suitable for electrical and telecommunications applications. Their ease of machining, such as cutting, drilling, and welding, allows for customization and adaptability in numerous industrial and DIY projects. These rods provide a cost-effective and reliable solution for diverse needs.

Technical Property Chart

TYPICAL PROPERTIES of POLYETHYLENE

ASTM 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