Melamine Formaldehyde - MF Melamine Cellulose Filled

Aug 16 2001

Advantages

Easily coloured (unlike Phenolics). Taste and odour free. Good resistance to solvents - stain resistant in general, although dependent upon filler choice. Electrical properties relatively unaffected by high humidity (unlike Phenolic). Self-extinguishing.

Disadvantages

Inferior to Phenolic in dimensional stability in hot dry conditions. More expensive than Urea or Phenolic. Limited resistance to concentrated acids and alkalies.

Typical Properties

Property

Value

Density  (g/cm3)

1.5

Surface Hardness

RM121

Tensile Strength (MPa)

58

Flexural Modulus (GPa)

10

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

4

Elongation at Break (%)

0.8

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

100

Water Absorption (%)

0.6

Oxygen Index (%)

40

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

14

Dielectric Strength (MV/m)

10

Dissipation Factor1kHz

0.05

Dielectric Constant  1kHz

8

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

150

Material Drying  hrs @ °C

NA

Melting Temp. Range (°C)

100 - 110

Mould Shrinkage (%)

0.8

Mould Temp. Range (°C)

145 - 165

Applications

Impact resistant crockery (e.g. for hospitals and picnics), toilet seats, pan handles and knobs, stain and cut resistant decorative laminates.

 

Source : Abstracted from Plascams

For more information on Plascams please visit The Rubber and Plastics Research Association

 

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