The flame retardant test aims to verify the ability of the tested substance to delay the continuation, spread, and diffusion of flames. After years of development, flame retardancy testing has formed multiple standards and become a very important testing item in the relevant industry.

Plastic products, rubber products, automotive interior and exterior materials

CNAS、CMA

7-10 working days

Project Name	Test Standard	Service cycle (days)	Sample submission requirements	Qualification Status
Automobile board combustion	GB8410-2006	7	Standard size: 356 × 100mm, thickness less than 13mm Non standard samples need to be sent according to standard requirements: 1. The width of the sample should be 3-60mm, and the length should be at least 356mm. The sample should be made as close as possible to the width of the part 2. The width of the part is greater than 60mm, the length is at least 138mm, and the combustion distance is equivalent to the distance from the first marking to the flame extinguishing or from the first marking to the end of the sample; 3. If the sample width is 3-60mm and the length is less than 356mm, or if the part width is greater than 60mm and the length is less than 138mm, the standard experiment cannot be conducted	CNAS
HB flame retardant grade	UL94-2018 section 7	7	125 × 13mm, thickness<13mm	none
V-0, V-1, V-2 flame retardant rating	UL94-2018 section 8	10	125×13×(0.025~13)mm The sample needs to be regular and flat	none
Limiting Oxygen Index	GB/T 2406.2-2009	7	Plastic: 80~150 × 10mm, thickness less than 10.5mm Foam material: 80~150 × 10 × 10mm Soft film or film: 140 × 52mm × original thickness Film: 140~200 × 50mm × original thickness, 30pcs	CNAS