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Flame retardant polyethylene sheath material TDH9200 for medium and low pressure, Class C for medium

This product is mainly applied to the outer sheaths of medium and low voltage cables with bundled C-class flame retardant requirements. It features an excellent extrusion processing technology, meeting the demands of high-efficiency production. The product can cover the demands of both small and large cross-section cables.

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Product details

Product model and name:

TDH9200 flame-retardant polyethylene sheath material for medium and low pressure

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

Serial number	Test Item		Unit	Requirement	Typical Value
1	Density		g/cm3	≤1.3	1.29
2	Tensile Strength		MPa	≥14	15
3	Elongation at Break		%	≥400	550
4	（-76℃）Impact Brittleness		失效数	≤15/30	0/30
5	Environmental Stress Cracking F0		h	≥96	100
6	Air Thermal Aging	Test Condition	100℃×240h
		Tensile Strength	MPa	≥12	15.3
		Elongation at Break	%	≥400	450
7	Dielectric Strength		kV/mm	≥25	28.6
8	Oxygen Index		%	≥26	28
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.