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Muscovite Mica Tube

Mica tube is formed by muscovite paper or phlogopite paper fixed with silicon resin, and processed by roll form. It has good dielectric capability and excellent mechanical strength, and often used as the insulating tube form material in all kinds of electric equipments, motors, furnaces, electric-arc furnaces, other metallurgy industry equipments.

Types
According to mica paper, Mica Tube can be divided into:
Muscovite mica tube;
Phlogopite mica tube.
Availability
Length: 10mm, 20mm, 50mm, 100mm, 300mm, 500, ……1100mm;
Diameter: 8mm, 10mm, 15mm, 50mm, 100mm, 200mm, ……300mm;
Tolerance standards: In general, we produce according to the standard of upper tolerance for inner diameter and lower tolerance for outer diameter. On request, we can control tolerances to within 0.2mm.
Properties
Excellent high temperature resistance and insulation properties;
High mechanical strength;
Stable chemical properties: Excellent resistance to acid, alkali and oil and good aging resistance;
Excellent environmental protection performance: The product contains no asbestos, and has less smoke and odors, even smokeless and odorless when heating;
Precise dimensions, beautiful shape, smooth inner and outer walls, good roundness and proportionality.

Performance Parameter

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
Heat Resistance	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