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HOME > Products > Insulating material / Industrial plastic > Insulating Bolt & Nut

Insulating material / Industrial plastic

Insulating Bolt & Nut

RISHOLITE

 

Various types of Bolts & Nuts with excellent mechanical ,insulation or chemical strength are available according to customer's use.

 

 

■Line ups
Cassification Product code
Upper:Bolt
Lower:Nut		 Resin
Base material		 Features Application
WOODLYTE® WL-4235
WL-4236

Phenolic

Veneer

  • Insulation resistance
  • Machining workability
  • Oil resistance
 Insulation material in oil-immersed electrical equipment.
Cotton/Phenolic PB-2125
PB-2126		 Phenolic
Cotton
  • Insulation resistance
  • Machining workability
 Insulation material for various equipment.
Glass/Epoxy EB-3035
EB-3036		 Epoxy
Glass fabric
  • Insulation resistance
  • Moisture resistance
  • Heat resistance
  • Chmical resistance
  • Dimensional stability
  • Mechanical strength
 Insulation material with thermal resistance for various equipment.
CORONALESS® ER-6035
ER-6036

Epoxy
Glass fabric


(Vaccum casting)
  • Insulation resistance
  • Moisture resistance
  • Heat resistance
  • Chemical strength
  • Dimensional stability
  • Mechanical strength
 Insulation material with high insulation reliability and high thermal resistance for various equipment.

 

■Dimension

 

◆Bolt
Classification Standard diameter (mm) Standard length (L)
WOODLYTE® 12Φ･16Φ･20Φ 1,150mm >
Cotton/Phenolic
Glass/Epoxy
CORONALESS

 

◆Nut
Classification Standard diameter(mm) B
Width(mm)		 H
Thickness(mm)
WOODLYTE® 12Φ･16Φ･20Φ 24･32･40 12･16･20
Cotton/Phenolic 22･28･35
Glass/Epoxy 19･24･30
CORONALESS 19･24･32
　

 

■General properties
Test items Unit Treatment WOODLYTE Cotton/Phenolic Glass/Epoxy CORONALESS
Bolt Nut Bolt & Nut Bolt & Nut Bolt & Nut
WL-4235 WL-4236 PB-2125
PB-2126		 EB-3035
EB-3036		 ER-6035
ER-6036
Bending strength Vertical to layer MPa A 226～275 108～157 128～157 392～490 392～490
Parallel to layer MPa A - 98～147 98～128 245～343 245～343
Flexural modulus Vertical to layer GPa A 14.7～16.7 8.8～11.8 8.8～11.8 15.7～19.6 15.7～19.6
Compressive strength Vertical to layer MPa A - - 245～294 441～490 441～539
Parallel to layer MPa A 147～196 137～196 147～196 343～392 245～294
Tensile strength MPa A 118～157 78～147 69～108 294～392 294～392
Charpy impact strength Parallel to layer kJ/cm2 A 23～30 13～20 - - -
Izod impact strength Parallel to layer J/m A - - 98～147 491～687 687～980
Specific gravity - A 1.20～1.30 1.20～1.30 1.37～1.40 1.75～1.85 1.7～1.9
Water absorption % E-24/50 1.5～2.5 1.0～3.0 0.5～0.9 0.05> 0.02>
Cleavage strength kN A 4.9～6.9 4.4～6.4 5.4～7.4 6.9< 6.9<
Electrical strength vertical to layer(1 min. In oil) KV/mm C90/20/65 9 9 11 16 16
Break down voltage vertical to layer(In oil) KV/mm C90/20/65 11～14 10～13 13～17 20< 20<
Electrical strength parallel to layer(1 min. In oil) KV/6mm C90/20/65 16 16 5 9 9
Break down voltage parallel to layer(In oil) KV/6mm C90/20/65 20～25 19～23 8～14 30< 30<
Insulaion resistance at RT Ω C90/20/65 5×109
～5×1011		 5×109
～5×1011		 1×109
～1×1010		 1×1013～
1×1014		 1×1014
～1×1015
After treatment Ω D-24/23 1×108
～1×109		 1×108
～1×109		 5×106
～1×108		 5×1010
～5×1011		 1×1011
～1×1012
Dissipation factor(60Hz) - C90/20/65 0.06 0.06 - 0.025～0.035 0.001～0.003
Dielectric constant(60Hz) - C90/20/65 6 6 5～8 4～5 4～5
Volume resistivity Ω･cm C90/20/65 1×1011
～1×1012		 1×1011
～1×1012		 1×1010
～1×1011		 1×1014
～1×1015		 5×1014
～1×1016
Surface resistance Ω C90/20/65 1×1011
～1×1012		 1×1011
～1×1012		 1×1010
～1×1011		 1×1012
～1×1013		 5×1014
～1×1016

The above figures show one of the test result base on JIS K 6911

Treatment condition : A = Accept state, C = Constant temp.and hum.,D = Dipping in water, E=Heating

Figures typed after condition show Time/Temp./Hum.