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90℃ low smoke zero halogen flame retardant polyolefin sheath material TWH1100 Grade 4 sheath

This product is mainly applied to the outer sheath of power cables. It has high extrusion fluidity and is suitable for the outer sheath of power cables with the requirement of single vertical burning.

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Product details

Product model and name:

TWH1100 90-degree low smoke zero halogen flame retardant polyolefin sheath material

Performance indicators (typical values) : Execution standard: GB/T32129

Serial number	Test project		Unit	Indicator	Typical value
1	Tensile strength		MPa	≥10	12
2	Elongation at break		%	≥150	170
3	Air thermal aging	Test conditions	100℃×168h
		Maximum rate of change of tensile strength	%	±25	9
		The maximum rate of change of elongation at break	%	±25	-8
4	Hardness		ShoreA	96±2	97
5	Volume resistivity at 20℃		Ω.m	≥1×1012	2×1012
6	（-25℃）Impact embrittlement performance		failures	≤15/30	0/30
7	Density		g/cm3	1.48±0.02	1.48
8	Combustion releases acidic gases	The contents of HCI and HBr	%	≤0.5	0
		HF content	%	≤0.1	0
		pH value	/	≥4.3	5
		Electrical conductivity	μS/mm	≤10	1

Application process reference

It is recommended that the temperature of the extruder body be 125 to 165℃. Head temperature: 165℃ to 170℃. It is recommended to use low smoke zero halogen screws with a compression ratio of 1.2 to 1.6. The maximum melt temperature is suggested to be controlled within 180℃.

Packaging and storage

The product is packed in moisture-proof aluminum foil polyethylene composite film bags, 25kg per bag, and transported by single palletizing. The weight of each single pallet can be 1000kg or 1200kg.

It should be stored in a clean, dry and well-ventilated environment. The suitable storage temperature is 0℃ to 35℃.

The product is vacuum-packed. It is strictly prohibited to stack it up and down during transportation and storage.

The validity period is 6 months under suitable storage conditions.