Welcome Hubei changfeng electrical materials co.ltd!
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product category
Thick mica plate
Product description
HP8 high temperature resistant mica board is made of imported high temperature resistant muscovite or phlogopite mica raw materials and imported high temperature silicone resin adhesive bonded by baking and pressing to form a hard plate-shaped insulating

Product performance: Excellent high temperature resistance insulation performance, the highest temperature resistance is up to 1100 ℃. …

Excellent electrical insulation performance, the voltage breakdown index of ordinary products is as high as 20KV/mm. Excellent bending strength and processing performance, the product has high bending strength and excellent toughness, and can be processed by lathes, milling machines, and drilling machines. Various special-shaped pieces without layering. …

Low thermal conductivity, excellent electrical insulation performance, oil and corrosion resistance, asbestos substitute.

 

The company's regular product specifications are:> Length * Width: 1000 x 600 mm 1000 x 1200 mm 1000 x 2400mm 1200 x 4000mm

Various sizes of mica plates, washers, mica shaped parts can be processed according to customer requirements, and various parts can be produced according to drawings.

Thickness: 2mm, 3mm, 4mm, 5mm, 10mm, 20mm, 25mm, 30mm, …… 100mm.

 


Parameter

Technical Data 

No.

Index item

Unit

HP8

HP8

Testing standard

1

Mica paper


Muscovite

Phlogopite


2

Mica content

%

ca.90

ca.90

IEC 371-2

3

Adhesive content

%

ca.10

ca.10

IEC 371-2

4

Density

g/cm3 

2.35

2.35

IEC 371-2

5

Temperature resistance grade






Under continuous use conditions

700

800



Under intermittent use conditions

900

1000


6

Water absorption 24H/ 23 ℃

%

<1

<2

GB/T5019

7

Electric strength at 20 ℃ 

KV/mm

>15

>15

IEC 243

8

Insulation resistance at 23 ℃ 

Ω .cm

1017 

1017 

IEC93


Insulation resistance at 500 ℃ 

Ω .cm

1012 

1012 

IEC93

9

Fire resistance level


94V0

94V0

UL94

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