Surface burning test for plastics with 500 W flame - UL 94
In this test, a vertically oriented test specimen is exposed to a small flame ignition source with a nominal thermal power of 500 W.
Together with the horizontal burning test and the 50 W vertical burning test, this test is used to classify plastic materials' flammability performance. One of the following classifications can be achieved: 5VB or 5VA.
The test is performed according to UL 94 sixth edition, clause 9. You will receive an ISO 17025 accredited test report as a result.
- Suitable sample matrices
- Solid and Cellular plastic materials that have been classified as V0 or V1 according to IEC 60695-11-10 with apparent density higher than 250 kg/m3 (ISO 845). All specimens are to be cut from sheet material or be cast or injection, compression, transfer, or pultrusion molded to the necessary form. After any cutting operation, care is to be taken to remove all dust and any particles from the surface; cut edges are to have a smooth finish.
- Required sample quantity
- 20 samples sized 125 ±5 mm by 13.0 ±0.5 mm, and 6 plaque samples 150 ±5 mm by 150 ±5 mm. Maximum thickness of each sample type is 13 mm.
- Typical turnaround time
- 4 weeks after receiving the samples
- Available quality systems
- Accredited test method
- Standard
- Method expert
Polymers and plastics
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