Electric Insulation Silicone Rubber

1 绝缘胶 (2)

2 绝缘子

Electric Insulation Silicone Rubber

The product is designed and produced strictly in accordance with DL/T376-2010 standard, and has passed the inspection and certification of Wuhan Electrical Equipment Institute of China Electric Power Research Institute and Xi’an High Voltage Electrical Apparatus Research Institute. It has excellent physical and mechanical properties, electrical properties, hydrophobicity, aging resistance, excellent surface adhesion and gloss of the product. This product already contains curing agent, no need to add additional during the processing. Various colors and packages can be customized.

Description

Description

Applications

Suitable for injection and mould pressing. Special silicone rubber for producing ultra-high voltage, high-voltage composite insulators, composite arresters, line insulators and other high-voltage power transmission equipments.

Technical Data

Physical Properties	Test Method	Unit	Data
Model			NJ-152A-60	NJ-152A-70	NJ-152A-90	NJ-152B-60	NJ-152C-60	NJ-152H-60
Appearance	Under D65 Illuminant	/	Grey/Red/Customized, Inclusion-free.
Shore Hardness	DIN 53505-A/ASTM D2240	A0	65±5	70±5	88±5	65±5	65±5	57-63
Elongation At Break	DIN 53504-SI/ASTM D412	%	≥240	≥180	≥150	≥220	≥220	≥220
Tensile Strength	DIN 53504-SI/ASTM D412	Mpa	≥5.0	≥5.0	≥5.0	≥4.5	≥4.0	≥4.0
Tear Strength	ASTM 624B	KN/m	≥12	≥10	≥10	≥10	≥10	≥10
Hydrophobicity	DL-T376-2010	/	HC1	HC1	HC1	HC1	HC2	HC2
Flammability	UL-94	Class	V0	V0	V0	V0	V0	V0

Electrical Properties	Test Method	Unit	Data
Dielectric Strength	IEC 60243	KV/mm	≥22	≥22	≥22	≥21	≥20	≥20
Dielectric Constant	IEC 60250	F/m	≤5.0	≤5.0	≤5.0	≤5.0	≤5.0	3.0-5.0
Volume Resistivity	IEC 60093	Ω·cm	≥2×1014	≥2×1014	≥2×1014	≥2×1014	≥1×1014	≥1×1014
Tracking & Erosion Resistance	IEC 60587	Class	TM1A4.5≤2.5mm	TM1A4.5≤2.5mm	TM1A4.5≤2.5mm	TM1A4.5≤2.5mm	TM1A4.5≤2.5mm	TM1A4.5≤2.5mm
Dielectric Loss Angle Tangent	IEC 60250	/	≤6.0×10-2	≤5.0×10-2	≤6.0×10-2	≤4.0×10-2	≤5.0×10-2	≤4.0×10-2
UV Aging Resisitance	UVA-340	%	Pass	Pass	Pass	Pass	Pass	Pass

Processing Technic

Sample Cured Condition	Curing temperature/time: 170℃×6Min.
Process Suggestion	Suitable for pressing/injeciton molding: suggested mold temperature 145C-165C for molding, time 5-15 mins, specific process according to size of housing to achieve best condition.

Package & Storage

Package	500KG/Carton; 25KG/ Carton
Storage Condition	Room temperature less than 25℃, do not contact water, avoid sun exposure.
Expiry Date	10 months, suggest to finish within 3 months.If expired, can continue to be used after remilling and qualified inspection.

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