Composites-ate | Electrical and thermal insulating materials - Composites ate
Specialised in thermal and electrical insulators manufacturing. We develop industrial laminates with different kinds of resins and reinforcements, according to our customer application. Our catalogue is composed by the following materials: isomik, thermomik, blacktherm, isovid, matpol, isolex, isocott y carbonovid.
Laminates, insulating materials, thermal, electrical, isomik, thermomik, blacktherm, isovid, matpol, isolex, isocott, carbonovid, resin, epoxy, polyester, mat, silicone, glass tissue, cotton tissue, phenolic, HPL, composites, composite material, engineering services, manufacturers, technical plastics, mica, solutions, aerospace projects, thermal insulators, electrical insulators, V0, self- extinguishing, flame resistance.
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Electrical and thermal insulating materials


ISOMIK™ is a family of insulating materials based on integrated mica paper layers impregnated with high thermal properties silicone resins. The material is polymerized under specific pressure and temperature to form insulating plates.

TYPE: 9.16

It corresponds to rigid mica, based on muscovite type, for which ate Composites has UL certification by market demand. Under customer request it can be manufactured with phlogopite quality.

  • Very low smoke emission.
  • Temperature resistance up to 600°C.
  • Excellent die-cutting even in small pieces.
  • Excellent dielectric characteristics.
  • As support for resistances.
  • Insulation plates.
  • Electric heating appliances (toasters, hair dryers, heaters, microwave ovens, etc.).
  • Electrical equipment (spark extinguishing chamber).
  • Etc.


It corresponds to flexible mica, based on integrated phlogopite mica paper with a reinforcement of fine glass fabric, impregnated with silicone resins with high technical properties and flexibility.

  • Resistance temperature >1000ºC
  • Excellent die-cutting.
  • Good dielectric properties.
  • Low thermal conductivity.
  • Great flexibility.
  • Coating of industrial furnaces.
  • Electro thermal insulation.
  • Cylindrical heaters or other curvilinear shape resistors.
  • Flat resistors that must be shaped later.
  • Small appliances.
  • Etc.


TYPE: 9.90

Composite made of layered integrated mica paper impregnated with special resins suitable for high temperatures. In order to form rigid plates, it is low pressure and temperature polymerised.

  • Temperature resistance up to 500°C.
  • High compressive strength.
  • Low thermal conductivity.
  • Excellent dielectric characteristics.
  • Good resistance to chemical agents.
  • Fire/ heat barrier.
  • Manufacturing processes in the glass industry.
  • Presses of hot dishes.
  • Injection and compression moulds.
  • Induction furnaces.
  • Spark extinguishing chambers.
  • Etc.


Insulating laminate, glass fabric and self-extinguishing (class V0) resin- based. It does not emit toxic fumes in case of fire. In the manufacturing process, the material is pressed at high pressure, to increase the percentage of glass fibre, which is translated into good mechanical, thermal and electrical properties.
  • Excellent performance in compression at temperatures of 210-220ºC and 300°C at peak.
  • Flame resistance V0.
  • Good mechanical properties in cold and hot atmosphere.
  • Subjected to fire, the fumes are not toxic
  • Excellent dielectric properties at hot temperatures.
  • Insulation for press plates and injection moulds.
  • Electrical insulation in high temperature.
  • Etc.


TYPES: 8.30, 8.40, 8.42


Insulating laminate plate-shaped made of glass fabric and epoxy resin.

TYPE: 8.31

Laminate composed by a glass fibre fabric substrate impregnated in epoxy resin. It has excellent electrical and mechanical properties thanks to its high pressure pressing manufacturing process.
  • Very low hygrometric susceptibility.
  • Small losses at high frequency.
  • Excellent mechanical properties at cold temperatures.
  • Maintenance of good part of these mechanical properties at temperatures up to 180°C.
  • Good dielectric properties.
  • Cold die-cutting up to 3 mm. of thickness.
  • Electrical control for high frequency.
  • Elements that must withstand very high dynamic stresses.
  • Elements that require high resistance to fatigue.
  • Etc.



It is a free alkali electrical insulating material, made from fibreglass and polyester resin instituted. It is manufactured at high pressure and temperature, so it is a rigid insulating material. It is suitable for mechanical and electrical use.
  • Flame resistance. UL-94 V0.
  • Good mechanical properties.
  • Good dielectric characteristics.
  • Electrical equipment.
  • Supporting bars
  • Separator plates.
  • Electric cabinets.
  • Transformers.
  • Work piece.
  • Etc.


TYPE: 6.10

Stratified insulating material, Kraft paper and phenolic resin-based.
  • Medium hygrometric susceptibility.
  • Good dielectric properties.
  • Excellent mechanical properties.
  • Applications at medium and low voltage in both, dry or submerged in mineral oil atmosphere.
  • Die-cutting pieces for electrical equipment.
  • Etc.


Insulating high-pressure laminate, made of kraft cardboard impregnated with thermosetting resin and then compressed at 150 9MPa and at 150ºC.
  • High resistance to abrasion.
  • Water-resistant material, suitable for wet environments.
  • Reacting to fire: low smoke emission.
  • Good impact resistance.
  • Dimensional stability.
  • Exterior cladding in ventilated façades and parts of façades.
  • Solar control films.
  • Indoor and street furniture.
  • Etc.


Laminate made of cotton fabric impregnated in phenolic resin, very suitable for mechanical or electrical applications where good moisture resistance is required. It can be used both as an electrical insulator and as a mechanical part.

TYPES: 7.20

(Thin cotton fabric)

TYPES: 7.30

(Superfine cotton fabric).

  • Excellent mechanical properties.
  • High impact resistance.
  • Vibration absorption, high strength.
  • Little wear on parts subjected to continuous friction.
  • Large machined parts.
  • Bearings for rolling mills.
  • Silent gears for more than 2.5 module.
  • Bearing caps.
  • Skid plates.
  • Slides.
  • Industrial skates.
  • Etc.


Carbonovid is a laminate glass fibre fabric and epoxy resin-based, with a sheet of carbon fibre fabric on one side.
For more information on Composites ate’s carbon fibre products, we invite you to visit our online store:

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