2015-08-07

How to determine UL94 classed HB testing?

As per UL94 standard, a material shall be classified HB as described as below:

A.Not have a burning rate exceeding 40mm per minute over a 75mm span for specimens having a thickness of 3.0 to 13 mm, or
B.Not have a burning rate exceeding 75mm per minute over a 75mm span for specimens having a thickness less than 3.0mm, or
C.Cease to burn before the 100mm reference mark

Zhilitong Electromechanical Co., Ltd  manufactures Horizontal Vertical Flame Test Equipment , which meets with UL94 standard and apply to HB, V-0,V-1, V2 testing.

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