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2015-08-13
Material Classification UL94-5V for 500W Vertical Burning Test
According to requirement of UL94, a material shall be classified UL94-5V as described as below:
| Criteria | 5VA | 5VB |
| Afterflame time plug afterglow time after fifth flame application for each individual bar specimen | ≤60s | ≤60s |
| Cotton Indicator ignited by flaming particles or drop from any specimen | No | No |
| Afterflame time plug afterglow time for each individual specimen after second flame application (t2+t3) | ≤30s | ≤60s |
| Burn-through (hole) of any plaque specimen | No | Yes |
Materials classified 5VA or 5VB shall also comply with the requirements described for materials classified V-0 or V-1
Horizontal Vertical Flame Test Equipment manufactured by Zhilitong Electromechanical Co., Ltd complies with UL94 classed 94-5VA and 94-5VB testing.
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