B2 grade low smoke halogen-free flame retardant polyolefin insulation material

B2 grade insulation material is made of high purity resin as base material, with halogen-free flame retardant, antioxidant, etc. mixed and extruded into granules. It has excellent performance such as halogen-free, heat-resistant, and weather-resistant, has no precipitation pollution, meets the relevant requirements of Rohs, and is easy to extrude and process.

Application: Related cables of GB/T 31247 standard

Testing items	VALUE	Typicalvalue	UNIT	Method
Density	≤1.65	1.62	g/cm3	GB/T1033
Low-temperature brittle temperature	≤15/30	0/30	个	GB/T5470
Environmental stress cracking resistance	≥96	108	F0/h	GB/T2951
Thermal stress cracking resistance	Uncracked	Uncracked	一	GB/T32129
Tensile strength before aging	≥10	11.8	MPa	GB/T2951
Elongation at break before aging	≥150	180	%	GB/T2951
Performance after aging110℃×168h
Change rate of tensile strength	≤±30	10	%	GB/T2951
Change rate of elongation at break	≤±30	-9	%	GB/T2951
Volume resistivity at 20℃	≥1.0×1012	5.6×1012	Q.m	GB/T1410
Dielectric strength	≥18	20	MV/m	DIN EN 6024
Oxygen index	≥35	37	%	GB/T2406
Smoke density flame method	≤100	80	/	GB/T8323
Smoke density flameless method	≤350	200	/	GB/T8323
Hydrogen halide gas content	≤5	0	m/g	GB/T17650
Combustion gas pH value	≥4.3	5.9	/	GB/T17650
Combustion gas conductivity	≤10	6	μs/mm	GB/T17650
Water absorption test70℃×24h
Maximum weight gain	≤10	5	mg/cm²	GB/T32129
Peak heat release rate	≤180	100	kW/m2	lS0/5660
Total heat release	≤180	110	MJ/m2	IS0/5660
Average heat release rate	≤100	80	kW/m2	1S0/5660

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FAQS

What are your main products?

Angreen's main products include XLPE, LSZH, LSOH, TPU, TPE, MPPE, and XLPO.
Do you have a research and development team?

Yes, Angreen has an experienced R&D team, including three PhDs in polymer chemistry, one postdoctoral fellow in chemistry and chemical engineering, and two specially appointed professors. We have strong research and development capabilities and independent patented technologies, with multiple R&D departments led by PhD-level talent. Angreen is also a designated postdoctoral research station by the Ministry of Human Resources and Social Security of China, Anhui Province Wire and Cable Materials Engineering Research and Development Center, a new product and technology cooperation base with East China University of Science and Technology, a graduate internship base with the University of Science and Technology of China, a polymer materials laboratory base with Tongji University, and a wire and cable materials industry-academia-research transfer base with Zhejiang University.
Can you produce custom products?

Yes, all of Angreen's products can be custom-designed and manufactured to meet your application needs and product directions effectively and reasonably.