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Thermoplastic semiconductive shielding material for conductors PSD

Thermoplastic semiconductive shielding material products are suitable for conductor shielding of silane overhead insulated cables. The products are suitable for high-speed extrusion in one-plus one equipment or double-layer co-extrusion equipment.

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Product details

Product model and name

PSD Thermoplastic semiconductive shielding material for conductors

Performance indicators (typical values)： enforce standardsJB/T 10738-2007

Serial number	Test project		Unit	Indicator	Typical value
1	Density		g/cm3	≤1.2	1.08
2	Tensile strength		MPa	≥10	15
3	Elongation at break		%	≥200	500
4	Air thermal aging	Test conditions		100℃×240h
		Rate of change of tensile strength	%	±30	＋6
		Rate of change in elongation at break	%	±30	－15
5	（-10℃）Impact embrittlement performance		Number of failures	≤15/30	0/30
6	Volume resistivity at 20℃		Ω.cm	≤100	12
7	Volume resistivity at 70℃		Ω.cm	≤1000	33
8	Volume resistivity after air thermal aging	Test conditions	/	100℃×168h
8	Volume resistivity after air thermal aging	Volume resistivity at 70℃	Ω.cm	≤1000	50

Application process reference

It is recommended that the temperature of the extruder body be between 80℃ and 140℃. Neck temperature: 145℃ to 155℃ Head temperature: 155℃ to 165℃. It is recommended to use a 20× 60-mesh double-layer filter screen.

Packaging and storage

1) The product is packed in a waterproof and dustproof PE inner bag, supplemented by a hard corrugated carton for shaping and protection, and an additional waterproof film cover. The standard net weight of each box is 500kg or 600kg.

2) It should be stored in a clean, dry and well-ventilated environment, with an appropriate storage temperature ranging from 0℃ to 35℃.

3) The stacking height should not exceed two layers, and the upper and lower layers should be neatly stacked. It is not advisable to stack them in a staggered manner.

4) The validity period is 6 months under suitable storage conditions.