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Heat Deflection Tester
IS 2267 – 1972 Specification for Polystyrene Moulding Materials. ASTM D 1238 – 1982 Standard Test Method for Flow Rates of Thermoplastics by Extrusion Plastometer.
Technical Details
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Dimensions of the test specimen
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3 to 4.2 mm wide,9.8 to15 mm thick,120 ± 10 mm long
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Distance between supporting edges
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100 ± 2 mm
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Radius of supporting and loading edges
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3.0 ± 0.2 mm
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Temperature
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Up to 300°C (least count 1°C)
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