Polymer Line Post Type Insulator

FZSW-35/12

Rated Voltage	Height	Dry Arcing Distance	Creepage Distance	Specified Cantilever Load (SCL)	Rod	No. od sheds	Wet Power Frequency Withstand Voltage (kV)	Lightning Impulse Withstand Voltage (kV)
35kV	558±10mm	375mm	1200mm	11.5kN	50mm	10	≥110	≥245

parameters

Item	Requirement	Measured Valued
Visual examination	Fuchsine, grey or white, no obvious mechanical admixture. Vulcanized silicon rubber with 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

polymer line post insulator

Polymer Line Post Type Insulator features a unified 10-shed design, specifically designed for power station lines with voltage ratings of 35KV and a tension capacity of 11.5KN. The installation orientation is horizontal. Primarily intended for export to African countries such as Tanzania.

Silicone rubber outer casing

Enhanced hydrophobicity
Improved water repellency migration performance
Superior pollution resistance
Outstanding electrical insulation performance
Exceptional aging resistance

Corrosion-resistant glass fiber core

Excellent resistance to high temperature, stress corrosion, and acid erosion
Better damping performance
High tensile strength (>1200Mpa)
Outstanding creep resistance
Excellent fatigue fracture resistance

Crimping and multiple sealing

High mechanical strength
Low dispersion
Reliable sealing performance between rods and end fittings

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