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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

Compressive

Compressive properties are obtained by mounting in a compression tool between testing machine heads which exert constant rate of movement. Indicator
registers loading.

 

The compressive strength of a material is calculated as the psi required to rupture the specimen or deform the specimen a given percent age of its height. It can be expressed as psi either at rupture or at a given percentage of deformation.

 

The compressive strength of plastics is of limited design value, since plastic products (except foams) seldom fail from compressive loading alone. The compressive strength figures, however, may be useful in specifications for distinguishing between different grades of a material, and also for assessing, along with other property data, the over-all strength of different kinds of materials. ASTM D-695.

 

 

 
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