Standards

Q: Is ASTM D6082 the same as ASTM D892?

No. D892 is the moderate-temperature foam method. D6082 is the high-temperature companion.

ASTM D6082 High-Temperature Foaming

ASTM D6082 is the test method for high-temperature foaming characteristics of lubricating oils. It sits next to ASTM D892, which covers foam at the lower Sequence temperatures. D6082 asks how much foam forms — and how long it lasts — when the oil is hotter than a D892 bath.

Lubricant specifications for engines, hydraulics, and circulating systems often require both methods. An oil that looks quiet at 24 °C or 93.5 °C can still foam when the service temperature is higher. The method reports foam tendency and foam stability; it does not diagnose the additive package that caused the foam.

This page is original prose and is not a reproduction of the standard. Buy the official text from the ASTM store.

ASTM Standard at a Glance

Property	Value
ASTM Standard	ASTM D6082
Type	Test method
Measures	High-temperature foaming tendency and stability
Applicable samples	Lubricating oils
Related standards	ASTM D892
Recommended equipment	VeroFoam — Foaming Tendency Analyzer

Choosing the right equipment for ASTM D6082

High-temperature foam testing needs a stable bath, controlled air delivery, and a cylinder that can be read the same way every run. Operator timing is the usual source of scatter.

VeroFoam is built for the D892 / D6082 foam pair so a laboratory can keep both methods on one instrument family.

Frequently Asked Questions

What does ASTM D6082 measure?

D6082 measures how a lubricating oil foams at a high test temperature, typically used for oils that see service well above the D892 Sequence temperatures. Results cover foam generated during aeration and foam that remains after aeration stops.

Is ASTM D6082 the same as ASTM D892?

No. D892 is the ambient / moderate-temperature foam method. D6082 is the high-temperature companion. Many lubricant specs ask for both.

Why run a high-temperature foam test?

High-temperature foam shows up in engines, hydraulics, and circulating systems that run hot. An oil that looks quiet in D892 can still foam when the bath is hotter.

Does Vero Scientific provide equipment for ASTM D6082?

Yes. VeroFoam is the Vero Scientific foam analyzer used for D892 and the high-temperature D6082 workflow.

Which oils are tested with ASTM D6082?

Lubricating oils specified for high-temperature foam performance, including many engine, hydraulic, and circulating oils. Follow the sample scope in the standard you purchased.