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Calcined Muscovite Mica Tape

Product introduction

Calcined Muscovite Mica Tape for fire-resistant cable is insulation material made of calcined mica paper, impregnated with high quality silicon resin and backed with reinforce material, can resist high voltage and especially high temperature 1000℃.


  1. Excellent insulating property.
  2. High temperature resistant.
  3. Flexible, high tensile suit for high speed cable manufacturing.
  4. Eco-friendly, Free of toxic gases in fire.
  5. Pass IEC60331 & BS6387 fire resistant standard test for high quality cable.

Have at least 3 hours excellent electrical insulation at Temperature more than 1000℃ and Voltage more than 1.0KV/Layer, with no breakdown.

mica paper


STRUCTURE: High quality mica paper bonded to an electrical grade glass fiber cloth (G type) as the reinforce material, impregnated with a specially selected high temperature resistant silicon resin.


mica tape structure


MICA TAPE is used as fire resistant layer between conductors and out sheath. They are suitable for all essential and emergency system, including power and control cable, that must be maintain good property and function during and after a fire.


wire structure 1

Zhongtian® Mica Tape for Fire-resistant Wire & Cable

ProductsTypeNormal Thickness (MM)Total SubstanceRefractory standard
Zhongtian® CMG
Calcined Muscovite mica tape with single side Glass fabric
CM80G320.100±0.015135±11BS6387-2013 GB/T19216.31-2008 IEC60331
CM100G320.120±0.015158±11BS6387-2013 GB/T19216.31-2008 IEC60331
CM120G320.140±0.015180±14BS6387-2013 GB/T19216.31-2008 IEC60331
CM160G320.160±0.015135±13BS6387-2013 GB/T19216.31-2008 IEC60331
Zhongtian® PG
Phlogopite mica tape with single side Glass fabric
P80G320.100±0.015127±11BS6387-2013 GB/T19216.31-2008 IEC60331
P100G320.110±0.015148±11BS6387-2013 GB/T19216.31-2008 IEC60331
P120G320.125±0.015172±11BS6387-2013 GB/T19216.31-2008 IEC60331
P160G320.140±0.015216±14BS6387-2013 GB/T19216.31-2008 IEC60331
Zhongtian® PGD
Phlogopite mica tape with Double sides Glass fabric
P140GD420.145±0.02202±13BS6387-2013 GB/T19216.31-2008 IEC60331
P160GD420.160±0.02225±13BS6387-2013 GB/T19216.31-2008 IEC60331
Zhongtian® PGF
Phlogopite mica tape with Glass fabric and Film backed
P140GF460.145±0.02203±12BS6387-2013 GB/T19216.31-2008 IEC60331
P160GF460.160±0.02226±13BS6387-2013 GB/T19216.31-2008 IEC60331
Zhongtian® SG
Synthetic mica tape with single side Glass fabric
S80G320.100±0.015125±11BS6387-2013 GB/T19216.31-2008 IEC60331
S100G320.110±0.015148±11BS6387-2013 GB/T19216.31-2008 IEC60331
S120G320.125±0.015173±11BS6387-2013 GB/T19216.31-2008 IEC60331
Zhongtian® SGD
Synthetic mica tape with Double sides Glass fabric
S140GD420.150±0.02202±13BS6387-2013 GB/T19216.31-2008 IEC60331
S160GD420.170±0.02225±13BS6387-2013 GB/T19216.31-2008 IEC60331
Zhongtian® SGF
Synthetic mica tape with Glass fabric and Film backed
S120GF460.130±0.02181±13BS6387-2013 GB/T19216.31-2008 IEC60331
S140GF460.145±0.02203±13BS6387-2013 GB/T19216.31-2008 IEC60331
S160GF460.160±0.02226±13BS6387-2013 GB/T19216.31-2008 IEC60331

Mica Tape Supply Form

TypeThickness (mm)Width (mm)Length (m)ID (mm)OD (mm)Note
Pad0.08~0.145~60500~200052, 76250-560
Jumbo0.08~0.14335, 505, 1010500~200052, 76250-560
Spool0.08~0.145~203000~30000Core ID: 76, 77mm OD: 280~300mm
Core Height: 80~200mm
Mica Height: 80~200mm
Core Mica gap: each side 0~5mm

Calcined Mica Tape DATA Sheet

CommodityCalcined muscovite mica tape with single side glass fabric
Item CodeCM80G32CM100G32CM120G32
Total Substance
Mica Content
Glass Content
Bond Content
Dielectric Strength
> 1.2> 1.5> 1.8
Tensile Strength
> 80> 120> 120
Temperature Resistant
Review Date
Reviewed Item
Calcined Mica Tape
Author Rating
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    Zhongtian Mica
    Contact: Judy You
    Cell Phone:+86 156 2996 5869
    Tel: +86 715 4710728
    Fax: +86 715 4710906
    Email: [email protected]