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How to Test Plastic Properties

Brittleness Temperature

Compressive

Permanent
Effect Of Heat

Deflection Temperature

Deformation
Under Load

Flammability

Flexural

Water Absorption

Shear Strength

Luminous Reflectance

Vicat Softening Point

Durometer Hardness

Rockwell Hardness

Haze and Luminous Transmittance

Izod Impact

Tensile Impact

Artificial Weathering

Specific Gravity

Stiffness In Flexure

Tensile

Knowledge Center | TOpedia

How to Test Plastic Properties

Vicat Softening Point

Vicat Softening Point a good way to compare the heat softening characteristics of polyethylenes. Also, it may be used with other thermoplastics.

 

The apparatus for testing Vicat softening point consists of a temperature regulated oil bath with a flat ended needle penetrator so mounted as to register degree of penetration on a gauge. A specimen is placed with the needle resting on it. The temperature of the bath (preheated to about 50 °C lower than anticipated Vicat softening point) is raised at the rate of 50 °C/hr. or 120 °C/hr. The temperature at which the needle penetrates 1 mm. is the Vicat Softening Point. ASTM D-1525.

 

 

 
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