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Vicat Softening Temperature

Test ID  

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.    
ASTM D1525  
ISO 306  
Data see sample data  
A Vicat softening temperature is reported. This data appears in Matereality as Vicat Softening Temperature.  
Replicates (# of times this test is repeated)  
2 - discs (12.7mm diam.) [details]


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.