Silicone Mica Paper Products
Rigid
Rigid heater mica plates consist of approximately 90% muscovite, alternatively Phlogopite mica, impregnated with 10% high temperature resistant silicone resin. It is used as supporting insulation for resistance wire heating elements in electric toasters, hair dryers, strip heaters, baseboard heaters and for gaskets and in other appliances and applications where excellent resistance to moisture and thermal mechanical and electrical properties are required. Stocked in sheets 36” x 36” up to 39.37” x 47.24” (1000mm x 1200mm), 1000mm x 2400mm sheets available special order.
Thick Mica plate, 2.0mm up to 50.8mm, for high-performance thermal and electrical insulation is designed for the electromechanical and thermo-mechanical applications. It is used as a replacement for asbestos and other insulating boards for a variety of applications.

Flexible
Used as a flexible, high temperature and electrical insulator or gasket material. Stocked in sheets 36” x 36” up to 39.37” x 47.24” (1000mm x 1200mm), 1000mm x 2400mm sheets available special order.

|
TYPE |
DESCRIPTION |
BOND |
THERMAL RESISTANCE |
USES |
|
NEMA 8P Thickness available .006” to 2” (0.15mm to 50.8mm) |
Rigid Mica Paper Plate Muscovite Phlogopite |
Silicone |
500°C 700°C |
Element Cards, Washers, Thermal Barrier |
|
NEMA 86P Thickness available .004” to .060” (0.1mm to 1.5mm) |
Cold Flexible Mica Paper Plate Muscovite Phlogopite |
Silicone |
500°C 700°C |
High Temp Wrappers |
Epoxy Mica Paper Products
Segment
As segment mica in commutators and miscellaneous parts such as washers and spacers.
|
TYPE |
DESCRIPTION |
BOND |
THERMAL RESISTANCE |
USES |
|
NEMA 3P Up to 39.37” x 47.24” (1000mm x 1200mm) |
Rigid Mica Paper Plate |
Epoxy |
Class F 155°C |
Commutator Segments, Punched Parts |
Moldable
For Compression Molding V-rings, Shaped Angle Parts or Shaped Channel parts for coil insulation.
|
TYPE |
DESCRIPTION |
BOND |
THERMAL RESISTANCE |
USES |
|
NEMA 2P Sheet size 36” x 36” |
Hot Moldable Mica Paper |
Epoxy |
Class F 155°C |
V-rings, Channels |
Composites Mica Sheets
Reinforced mica paper with varnished glass adds toughness and strength to the mica paper. Excellent for applications such as slot lining or coil wraps. Other combinations with plain glass or Mylar film on one or both sides are available. Produced in thicknesses .010” up to .060”.
|
TYPE |
DESCRIPTION |
BOND |
THERMAL RESISTANCE |
USES |
|
NEMA 311P Sheet size 36” x 36” |
Mica Paper Between Varnished Glass Cloth |
Polyester |
Class F 155°C |
Coil Wraps, Phase Insulation, Slot Lining |
|
NEMA 312P Sheet size 36” x 36” |
Mica Paper Between Varnished Glass Cloth |
Silicone |
Class H 180°C |
Coil Wraps, Phase Insulation, Slot Lining |
Mica Paper Rolls
High Temp Phlogopite mica on rolls as an asbestos replacement for gasket material or induction furnace lining. Below are stock sizes. Other combinations or length or width are available special order.
Phlogopite Mica Paper without Glass
|
Available from stock |
Stock Number |
|
0.2mm x 1000mm x 20m |
PJ5460X0.2X20M |
|
0.2mm x 1000mm x 40m |
PJ5460X0.2X40M |
|
0.3mm x 1000mm x 20m |
PJ5460X0.3X20M |
|
0.3mm x 1000mm x 40m |
PJ5460X0.3X40M |
Phlogopite Mica Paper without Glass one Side
|
Available from stock |
Stock Number |
|
0.4mm x 1000mm x 20m |
PJ460MGMGX0.4X20M |
|
0.4mm x 1000mm x 40m |
PJ460MGMGX0.4X40M |
|
0.5mm x 1000mm x 20m |
PJ460MGMGX0.5X20M |
|
0.5mm x 1000mm x 40m |
PJ460MGMGX0.5X40M |
Phlogopite Mica Paper with Glass two sides
|
Available from stock |
Stock Number |
|
0.4mm x 1000mm x 20m |
PJ460GMMGX0.4X20M |
|
0.5mm x 1000mm x 20m |
PJ460GMMGX0.5X20M |
Phlogopite Mica Paper with Ceramic Fiber
|
Available from stock |
Stock Number |
|
2.5mm x 1000mm x 15m |
PJ460MGZ |
Steel Net between Mica Layers
|
Available from stock |
Stock Number |
|
1.0mm x 1000mm x 1000mm |
PJ460MNM |
Fabricated Mica Parts
Asheville-Schoonmaker offers complete fabrication of finished parts to customer prints. We offer washers, element cards, spacers or strips from all our mica paper products.

Mica Tubes
Mica tubes for rod insulation in grid banks and resistors are available up to 36”. Kraft paper wrapper is an option. Tubes can also be cut to a pre-determined size.
Inorganic tubes available to 12” or cut to size bushings for tubular heater terminal insulation. This product can also be made into rectangular shapes for core insulation.
|
TYPE |
DESCRIPTION |
BOND |
TEMP CLASS |
Available |
|
NEMA 101P |
Mica Paper with or without Kraft paper wrapper |
Shellac |
Class B 130°C |
From ID of .250” to OD of 2.50” Max length 36” |
|
NEMA 101P |
Mica Paper with or without Kraft paper wrapper |
Epoxy |
Class F 155°C |
From ID of .250” to OD of 2.50” Max length 36” |
|
NEMA 101P |
Mica Paper with or without Kraft paper wrapper |
Silicone |
Class H 180°C |
From ID of .250” to OD of 2.50” Max length 36” |
|
NEMA 101P Round or Square |
Mica Paper |
Inorganic |
Class C 220°C |
From ID of .062” to OD of 1.00” Max Length 12" |

