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Flame retardant polyethylene sheath material TDH9400 for medium and low pressure, Class A for medium

This product is mainly applied to the outer sheath of medium and low voltage cables with Class A flame retardant requirements in bundles. The product has good processing fluidity and a low carbonization height in the combustion test. The product can cover the demands of both small and large cross-section cables. It can meet the Class A flame retardant requirements of double-burner lamps.

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Product details

Product model and name:

TDH9400 flame-retardant polyethylene sheath material for medium and low pressure

Performance indicators (typical values) : Execution standard: GB/T15065

Serial number	Test project		Unit	Specification	Typical Value
1	Density		g/cm3	≤1.3	1.27
2	Tensile Strength		MPa	≥14	15.2
3	Elongation at Break		%	≥400	530
4	（-76℃）Low-Temperature Impact		Failures	≤15/30	0/30
5	Environmental Stress CrackingF0		h	≥96	100
6	Air thermal aging	Test Condition	100℃×240h
		Tensile Strength	MPa	≥12	15.6
		Elongation at Break	%	≥400	460
7	Dielectric Strength		kV/mm	≥25	28
8	Oxygen Index		%	≥26	30
9	Volume Resistivity		Ω.m	≥1×1012	6×1013
10	Carbon Black Content		%	2.5±0.25	2.6

Application process reference

It is recommended that the temperature of the extruder body be 110 to 150℃. Head temperature: 150℃. It is recommended to use a low smoke zero halogen screw with a compression ratio of 1.6 to 1.7. The maximum melt temperature is suggested to be controlled within 170℃.

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.