Description
Electrical Mica Tube is formed by muscovite paper or phlogopite paper fixed with silicon resin, and processed by roll form.
Electrical Mica Tube Length: 10mm, 20mm, 50mm, 100mm, 300mm, 500, ……1100mm
Diameter: 8mm, 10mm, 15mm, 50mm, 100mm, 200mm, ……300mm
|
Item |
Unit |
Muscovite mica tube |
Phlogopite mica tube |
Test Procedure |
|
|
Mica Paper |
Muscovite |
Phlogopite |
|||
|
Mica Content |
% |
≈85 |
≈85 |
IEC 60371-2 |
|
|
Bond Centent |
% |
≈15 |
≈15 |
IEC 60371-2 |
|
|
Density |
g/cm3 |
1.6-2.2 |
1.6-2.2 |
IEC 60371-2 |
|
|
Heat Resistance |
Continuous Services |
℃ |
500 |
700 |
|
|
Intermittent Services |
℃ |
800 |
1000 |
||
|
Heat Loss at 500℃ |
% |
﹤1 |
﹤1 |
IEC 60371-2 |
|
|
Heat Loss at 700℃ |
% |
﹤2 |
﹤2 |
IEC 60371-2 |
|
|
Dielectric Strength |
kV/mm |
﹥1.5 |
﹥1.5 |
IEC 60243-1 |
|
|
Insulation Resistance at 23℃ |
Ω·cm |
1016 |
1016 |
IEC 60243-1 |
|
|
Flame Resistance |
- |
UL94 V-0 |
UL94 V-0 |
UL94 |
|
Product Type and Specification System
Material Classification:
Natural muscovite tube: High dielectric strength (25 kV/mm), cost-effective.
Synthetic phlogopite tube: Temperature resistance up to 1000℃, suitable for extreme environments.
Functional Treatments:
Silicone resin impregnation: Water absorption rate <0.3% (ASTM D570).
Ceramic coating: Surface hardness ≥6H (pencil hardness test).
Regular Stock Specifications:
Inner diameter: 5mm, 10mm, 20mm
Length: 500mm, 1000mm (can be laser cut ±0.5mm)
Product advantages:
1. High temperature resistance：long-term working temperature is 1000℃
2. Good corrosion resistance： can remain stable in chemical environment and not react with other substances
3. Good mechanical strength：the product is hard and stable, and the surface will not crack or break easily
4. Natural and environmentally friendly: mica tube is made of natural mica, which meets international environmental protection requirements
FAQ
1/Q: Can we customize of product?
A: Yes, we can produce the product as your request.
2/Q: Why is your price a bit higher than other Chinese suppliers?
A: To meet the requirement of different customers and areas, our factory manufactures various kinds of quality for each item at a wide range of price. We can offer the products of different quality levels depending on customer's target price and quality requirement.
3/Q: How can I get a sample?
A: Normally small samples can be sent free of charge and customers just need to bear a little shipping charge, or you can provide your DHL,FEDEX,EMS,UPS courier account number to us. For bigger sizes, it depends.
Q: How can you guarantee the quality of mass production is same with the sample sent to me before?
A: Our warehouse staff will leave another same sample in our company, with your company name marked on it, which our production will be based on.
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