A50-T Modified Insulating Mica Sheet

The A50‑T modified insulating mica sheet employs a multilayer composite structure that, while preserving the high‑temperature resistance, superior electrical insulation, and mechanical strength of phlogopite mica, enhances its thermal insulation performance, resulting in a modified insulating mica product.

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Product Details

Product features: high electrical insulation, excellent thermal insulation, and superior fire resistance.

Technical Specifications

Performance Name	Unit	Performance value
Density	kg/m³	1400~1800
Length	mm	≤1150
Width	mm	≤550
Thickness	mm	0.8~2.0 (0.8, 1.0, 1.5, 2.0)
Insulation resistance @ DC 1000 V, 60 s	MΩ	> 1000
Dielectric withstand voltage @ DC 5000 V, 60 s	mA	I (leak) < 0.1
Dielectric withstand voltage @ AC 2700 V, 50 Hz, 60 s	mA	I (leak) < 0.5
Bending performance	MPa	≥50
Tensile properties	MPa	≥50
Temperature resistance performance	°C	1000
Thermal conductivity at 25°C	W/(m·K)	0.06~0.15
Flame-retardant performance UL94	/	V-0
Prohibited item	/	ROHS, REACH, ELV

Key Performance

1. Fire-resistance test evaluation: A butane torch was used, with the flame tip positioned 50 mm from the specimen; the test duration was 30 minutes, and the specimen thickness was 1.5 mm.

2. Thermal insulation performance: Hot plate method, with a hot plate temperature of 500°C and a test pressure of 30 kPa.

Keywords:A50-T Modified Insulating Mica Sheet

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