Polyamide 12 - Nylon 12 - PA 12 50% Glass Bead Filled

Sep 16 2001

Polymer Type

Thermoplastic

Advantages

Superior compressive strength, improved heat distortion temperature, tensile strength and modulus compared with unmodified PA 12. Easy to process compared to glass fibre filled grades. Exhibits uniform and predictable shrinkage with improved warpage. Mechanical properties are also more isotropic than for glass fibre filled grades. Glass tends to improve self

Disadvantages

Heat distortion temperature, tensile strength and modulus are not as high as for glass fibre reinforced grades.

Typical Properties

Property

Value

Density (g/cm3)

1.44

Surface Hardness

RR113

Tensile Strength (MPa)

55

Flexural Modulus (GPa)

3

Notched Izod (kJ/m)

0.04

Linear Expansion  (/°C x 10-5)

8

Elongation at Break (%)

25

Strain at Yield (%)

N/Y

Max. Operating Temp. (°C)

70

Water Absorption (%)

0.1

Oxygen Index (%)

21

Flammability UL94

V2

Volume Resistivity (log ohm.cm)

13

Dielectric Strength (MV/m)

45

Dissipation Factor 1kHz

0.04

Dielectric Constant  1kHz

3.7

HDT @ 0.45 MPa (°C)

155

HDT @ 1.80 MPa (°C)

110

Material. Drying  hrs @ (°C)

2 @ 90

Melting Temp. Range (°C)

200 - 240

Mould Shrinkage (%)

0.9

Mould Temp. Range (°C)

40 -  80

Applications

Technical parts of high dimensional stability. Dish washer parts, watchcases, electrical coils and bobbins. Microscope stages, bearing brushes, valves, radial cams, eccentric cams, casing / bushing guides, ink transfer rollers for printers.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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