B1 grade irradiation cross-linked low smoke halogen-free flame retardant sheath/insulation material

Irradiation cross-linked low-smoke halogen-free flame-retardant sheath material is made of high-purity resin as the base material, with halogen-free flame retardant, cross-linking agent, antioxidant, etc. mixed and extruded into granules. It has excellent properties such as halogen-free, heat-resistant, flame-retardant, low-smoke, and weather-resistant. It has no precipitation pollution, meets the relevant requirements of Rohs, and is easy to extrude and process.

Application: wire and cable for construction.

Product Parameters

Test items	Value	Typical Value	Unit	Method
Physical property
Hardness	92±3	92	Shore A	GB/T 2411
Density	≤1.68	1.65	g/cm3	GB-T 1033
Low temperature embrittlement temperature	≤15/30	0/30	PCS	GB/T 5470
Tensile strength before irradiation	≥8	8.8	MPa	GB/T 1040
Elongation at break before irradiation	≥160	168	%	GB/T 1040
Tensile strength before aging	≥10	12.2	MPa	GB/T 1040
Elongation at break before aging	≥125	150	%	GB/T 1040
Thermal elongation 0.2MPa×200℃×15min
Elongation under load	≤100	40	%	GB/T 2951
Permanent deformation	≤25	0	%	GB/T 2951
Aging performance 135℃×168h
Tensile strength change rate	≤-30	-18	%	GB/T2951.12
Change rate of elongation at break	≤-30	-20	%	GB/T2951.12
Electrical performance
20℃ volume resistivity	≥1.0×1014	2.7×1014	Ω.cm	GB/T 1410
Dielectric strength	≥20	22	MV/m	DIN EN 6024
Flame retardant and combustion performance
Oxygen index	≥30	36	%	GB/T 2406
Halogen acid gas generation	≤0.5	0.1	mg/g	IEC 60754
PH value	≥4.3	5.5	-	IEC 60754
Electrical conductivity	≤2.5	2	μs/mm	IEC 60754
Smoke density (with flame)	≤100	85	-	GB/T 8323
Peak heat release rate	≤180	150	kW/m2	ISO/5660
Total heat release	≤180	105	MJ/m2	ISO/5660
Average heat release rate	≤100	74	kW/m2	ISO/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.