Composite tube manufacturers for over 50 years

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Asia-Pacific Contact

Werkstoff Pte Limited
9 Temasek Boulevard
31F Suntec Tower

Phone +65 67373667
Fax +65 6737669

Langtec Limited have been manufacturers and suppliers of a wide range of electrical and thermal insulating materials in sheet, processed to drawing and in tubular form for over fifty years.

Products Overview

We are specialist manufacturers of mica paper, phenolic and glass fabric tubes in various resin systems, plus processed laminates in phenolic and glass.

Lantex® Glass Tubes (G10, G11, FR4, G7, G5)

For mechanical strength, rigidity, toughness, low density and dimensional stability.

Lantex® Phenolic paper and Canvas tubes (LE, CE, XXX, XX)

For electrical insulation, mechanical strength, lightweight, easily machinable and close concentricity.

Filamic® Mica Sheet

Made from Muscovite and Phlogopite mica paper for high voltage, high temperature and high frequency applications.

Filamic® Mica Tubes

With similar characteristics and uses as Filamic sheet, with good mechanical strength, easily machinable and close dimensional tolerances.

Sheet Laminates

For strength and rigidity in mechanical and electrical applications. Available as sheets, strips or machined components.
Epoxy laminates for high strength and electrical insulation at various operating temperatures depending on requirements. Silicone glass laminates for insulation at higher temperatures.


We can supply all other types of electrical insulation materials including vulcanised fibre, pressboard, polyester film, Nomex etc. Please contact for details.


Our machine shop is equipped with CNC lathe, CNC milling and traditional machining facilities for precision finishing of parts in engineering plastics and other non-metallic materials. Providing the material can be stamped or machined we can almost certainly provide the shape and finish required.


Langtec products are sold throughout the world to a diverse range of industries, including:

  • Aerospace
  • Transformer
  • Heavy Electrical
  • Friction Drive
  • Switchgear
  • Cryogenic
  • Textile
  • Welding
  • Domestic Appliance
  • Voice Coil
  • Antenna
  • Heating Element
  • Defence
  • Construction Equipment

The non-conductivity of the materials makes their application extremely versatile wherever electrical, thermal, high frequency or magnetic insulation are required.

ISO Quality

ISO logo

The company’s reputation has traditionally been one of quality of product as emphasised by our ISO 9001:2000 accreditation, MOD approval and U.L. (Underwriters Laboratories Inc.:U.S.A.) approval for many of our products. In recent years the company has extended our commitment to quality to include competitive pricing and efficient and reliable service. Our reputation rests on our ability to offer a total quality package to our customers.