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Polyphenylene Oxide PPO amorphous
APPLICATIONS
Coffee pot and washing m/c parts (where high temperature and moisture are critical), replacement for die castings, drink vending machines, microwave components.
PROPERTIES
Rigid, opaque, good dimensional stability at high temperature and humidity conditions, difficult to process (blended to ease injection moulding), tough.
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Psysical properties: |
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Tensile Strength |
50 - 55 |
MPa |
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E-modulus |
2500 |
MPa |
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Notched Impact Strength |
20 |
kJ/m² |
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Thermal Coefficient of expansion |
70 |
x 10-6 |
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Max Cont Use Temp |
110 - 140 |
0C |
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VicatB Temp |
80 - 95 |
0C |
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Density |
1.06 |
g/cm³ |
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Resistance to chemicals: |
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Dilute Acid |
Very good |
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Dilute Alkalis |
Very good |
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Oils and Greases |
Very good |
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Aliphatic Hydrocarbons |
Moderate |
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Aromatic Hydrocarbons |
Poor |
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Halogenerated Hydrocarbons |
Poor |
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Alcohols |
Moderate (Variable) |
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