High Density Polyethylene - HDPE UV Stabilised

Polymer Type

Thermoplastic

Advantages

Better resistance to UV degradation than unmodified HDPE.

Disadvantages

Slightly more expensive then unmodified HDPE. The tensile strength and elongation at break are reduced compared with unmodified HDPE.

Typical Properties

Property

Value

Density (g/cm3)

0.96

Surface Hardness

SD68

Tensile Strength (MPa)

30

Flexural Modulus (GPa)

1.25

Notched Izod (kJ/m)

0.15

Linear Expansion  (/°C x 10-5)

12

Elongation at Break (%)

100

Strain at Yield (%)

12

Max. Operating Temp. (°C)

55

Water Absorption (%)

0.02

Oxygen Index (%)

17

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

17

Dielectric Strength (MV/m)

21

Dissipation Factor 1kHz

0.001

Dielectric Constant  1kHz

2.5

HDT @ 0.45 MPa (°C)

75

HDT @ 1.80 MPa (°C)

46

Material. Drying  hrs @ (°C)

NA

Melting Temp. Range (°C)

220 - 310

Mould Shrinkage (%)

3

Mould Temp. Range (°C)

30 -  70

Applications

Rotation moulded storage tanks and vessels. Milk bottle. crates.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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