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　Materials for electrical insulation work


Cable Cleat (Lightweight corrosion resistance structure materials)	Fiber line name card	Zerust

Cable Cleat (Lightweight corrosion resistance structure materials)

Application

Please use it as an insulated fixed support stand of an electric wire.
You can also use it as a separator in the middle.

East Japan Railway Company
Ohmiya transformer substation

Features

1. It is lightweight.

5. It excels in rust resistance.

2. It does not rust.

6. It excels in water resistance.

3. It excels in compressive strength.

7. It excels in accuracy of dimension.

4. It excels in electrical insulation properties.

8. It can color freely.

Materials

It is the cast which is made of the thermosetting resin foaming object (hard urethane resin).

(Unit : mm)

Item	Testing methodology	Unit	Value
Specific gravity	JIS Z-2102	-	0.8
Hardness	Shore (D type)	-	65
The amount of water absorption	JIS Z-2104（24hr）	mg/cm²	4
Bending strength	JIS Z-2113	kg/cm²	250
Bending elastic modulus	The standard method of our company	kg/cm²	1.5×10⁴
The strength of partial - Compression proportionality (Width)	JIS Z-2111	kg/cm²	100
Linear expansion coefficient	JIS K-6911	℃-1	5×10^-5
Thermal conductivity	JIS A-1413	Kcal/m・hr・℃	0.09
Volume specific resistance	The direct current 500V electrometer method	Ω・cm	6×10¹²
Dielectric constant	Bridge method	-	3.9（60Hz） 3.6（1KHz） 3.1（1MHz）
Dielectric dissipation factor	Bridge method	-	4.2×10^-2（60Hz）2.9×10^-2（1KHz） 4.4×10^-2（1MHz）
Dielectric breakdown voltage	JIS K-6911 （Short-time low）	KV/mm	18
Tracking resistance	Simplified method (The Institute of Electrical Engineers of Japan recommendation method)	-	E3
Arc resistance	JIS K-6911	second	83