Vicat Softening Temperature


Test ID

T-021

Description

This test determines the temperature at which a specified needle penetration occurs under a given load. A flat specimen, is placed in an oil bath which is heated at a constant rate and subjected to a standard load with a needle indenter. The temperature at which the specimen has deflected the specified amount is recorded.

Options

Standards

  • ASTM D1525
  • ISO 306

Data

Softening Temperature. This data appears in Matereality as Vicat Softening Temperature.

Replicates

Number of times this test is repeated: 2

Samples

2 discs (12.7mm diam.) [details]

Application

The Vicat softening temperature is often given in material specifications. The test is not recommended for softer materials or materials having a wide Vicat softening range.

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