66KV 72.5KV 126KV 252KV Line Post Station Insulator

We've established an advanced management system and adhere to a stringent quality control system following ISO 9001:2015 standards. Our products meet the quality criteria outlined in IEC61109, IEC61952, IEC62231, G3/T19519-2004, GE/T 22079-200s, DU/T 1048-2007, DL/T810-2002, and TE/T3199.2-200g standards, ensuring the highest quality and compliance.

Product parameters of post insulator

Item	Requirement	Measured Valued
Visual examination	Fuchsine, grey or white, no obvious mechanical admixture. Vulcanized silicon rubber with a dense and smooth cutting surface.	Ok
Hardness (shore A)	≮50	65~70
Tensile strength (Map)	≮4	4~6
Failure elongation (%)	≮150	≮180
Tearing strength (kN/m)	≮10 (right angle sample)	12~15
Volume resistivity (Ω.m)	1X1012	3~8X1012
Puncture strength (kV/mm)	Alternating current ≮22	≮30
Tracking and erosion	TMA4.5, erosion depth≯2.5mm	TMA4.5, erosion depth <0.8mm
Flammability (Grade)	FV-0	FV-0

Housing insulator designs

123

Features of Composite Insulator Station Post:

Material Composition:
- Sheds and housing crafted from high-quality silicone rubber.
- Fiberglass Reinforced Plastic (FRP) Rod ensures strength and durability.
- End fittings, Socket, and Ball made from premium forged steel, with a ductile and hot galvanized finish.

These components collectively contribute to the robustness, insulation properties, and longevity of our FZSW Series Composite Insulators, making them ideal for various high-voltage applications.

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