Glossy Mica Plate

Glossy Mica Plate

R-5660-G series of Glossy Mica Plate are mica laminates designed for providing outstanding electrical insulation at high temperature, which consist of approximately 90 % muscovite(or phlogopite) and 10% high temperature resistant silicone resin.

Types

According to mica paper, R-5660-G series of Glossy Mica Plate can be divided into:

R-5660-G1 Muscovite glossy mica plate;

R-5660-G3 Phlogopite glossy mica plate.


Availability

Thickness: 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, …… 5mm.

Size: Sheets of 1000x600mm, 1000x1200mm;

Note: The product less than 2.0mm thickness can be formed by stamping. The products larger than 2.0mm shall be processed by turning, milling, drilling and other processes.


Properties

Relative to general insulation material, the prominent advantages of the glossy mica plate are:

Excellent insulating properties at high temperature: At 500-1000℃ operating ambient temperature, the voltage breakdown resistance is 15kV/mm;

Excellent mechanical properties: Good flexural strength and hardness;

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;

Excellent processability: The product can be processed into various shapes without delamination.


Packaging

One pack is 50kg in general. The product is sealed usually with plastic film and packed in carton. The fumigation-free pallet shall be used when exporting. Each pallet contains<1000kg or protected by metal drum.


Storage

Stored in dry and moisture-proof indoor place at room temperature, there is no service life limit.


Performance Parameter

Item Unit R-5660-G1 R-5660-G3 Test Procedure
Mica Paper
Muscovite Phlogopite
Mica Content % ≈92 ≈92 IEC 60371-2
Bond Content % ≈8 ≈8 IEC 60371-2
Density g/cm3 1.8-2.45 1.8-2.45 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
Flexural Strength MPa ﹥120 ﹥120 GB/T 5019.2
Water Absorption % ﹤1 ﹤1 GB/T 5019.2
Dielectric Strength kV/mm ﹥20 ﹥20 IEC 60243-1
Insulation Resistance at 23℃ Ω·cm 1017 1017 IEC 60243-1
Insulation Resistance at 500℃ Ω·cm 1012 1012 IEC 60243-1
Flame Resistance
UL94 V-0 UL94 V-0 UL94
Smoking test s <4 <4 in house
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