Liquid sample bottle prepared for flash point testing showing labeled solvent sample used for ASTM D93 laboratory analysis.
March 5, 2026

Flash Point Testing Sample Requirements

Flash point testing determines the temperature at which a liquid produces vapors that ignite when exposed to an ignition source. Because accurate measurements depend on proper sample handling, laboratories require specific sample preparation and volume requirements before performing the test. Understanding

Diagram showing the difference between flash point and fire point where flash point is brief ignition at a lower temperature and fire point is sustained combustion at a higher temperature.
March 5, 2026

Flash Point vs Fire Point: What’s the Difference?

Flash point and fire point are two important measurements used to evaluate the flammability of liquids. Although these terms are often confused, they describe different ignition behaviors. Understanding the difference helps manufacturers, safety professionals, and regulators determine how a material should

ASTM D93 Pensky-Martens closed cup flash point testing performed using laboratory instrumentation
March 5, 2026

What Is the ASTM D93 Flash Point Test?

The ASTM D93 flash point test determines the temperature at which a liquid produces vapors that ignite under controlled conditions. Laboratories perform this test using the Pensky-Martens closed cup apparatus, which contains vapors during heating. Manufacturers commonly request this method when