Insulations - Rigid

A range of products that are designed for Electrical & Thermal Insulation with varying characteristics. Low & High Voltage insulation's, Moisture resistance, Superior Mechanical strength, Suited to High temperatures and a multitude of combined options.

Products are based on either Fibre Glass or Paper and vary with the types of Resins used or types of Raw materials.

We offer traditional Bakelite's, with Phenolic, and other materials based on Epoxy, Silicone, Melamine and Polyester - which determines the products performance values.

With in this range, OBA has the ability to supply to your exact requirements, our Manufacturing factory is able to cut, machine & fabricate these products.

Feel free to ask our sales team for a quotation.

Applications

  • Silicone Glass
  • Polyester Glass
  • Epoxy Glass
  • Densified Wood
  • Switchpanel (Typanel)
  • Bakelite - Paper & Fabric
  • Melamine Glass
  • Silicone Bonded Mica 
  • Epoxy Phenolic

    • Thickness start at 0.8mm and some are available up to 100mm.We can supply full sheets or cut to size

    Silicone Glass

    This range comprises a Woven fibreglass cloth with a Silicone resin.
    Typical characteristics, Excellent electrical Insulation, High Temperature performance, and offers low water / moisture.

    This product is rated at 220°C, Class C

    Nema classification applicable is: Nema G7

    Download:
  • Data Sheet

    • Polyester Glass

    This range comprises a Random Mat fibreglass with a polyester resin.
    Typical characteristics, Excellent electrical Insulation, Mechanically strong and offers low water / moisture.

    3 grades available, with Temperature ratings stating at Class F  (155°C) to Class C (220°C)

    Nema classification applies to one grade I.E. GPO-3

    Download:
  • Data Sheet

    • Epoxy Glass

    This range comprises a Woven fibreglass cloth with an Epoxy resin.
    Typical characteristics, Excellent electrical Insulation, Mechanically strong and offers low water / moisture.

    2 grades available, with Temperature ratings stating at Class F  (155°C) to Class H (180°C)

    Nema classification applicable is:
    Nema G10
    Nema G11

    Download:
  • Data Sheet G10
  • Data Sheet G11
  • Data Sheet FR4

    • Densified Wood

    There are two types available, with different versions in each grade.

    Manufactured from Beechwood veneers and impregnated with a synthetic resin or Unimpregnated.

    Key characteristics are Excellent electrical & mechanical properties for the Impregnated and the main applications are busbar cleats and support beams for the Switchboard Industry.

    The Unimpregnated is generally used within the Oil filled Transformer Industry for compression rings, clamping beams & supports.

    Download:
  • Data Sheet

    • Switchpanel (Typanel)

    Was developed to comply with Australian Standard AS1795-1983 – ( which no longer exists ).
    Construction is a Paper base with Phenolic resin and an Anti Tracking Melamine surface on one side.

    Domestic & Industrial metering panels, switchboard insulating panels and supports are typical application.

    Download:
  • Data Sheet

    • Bakelite - Paper & Fabric

    Commonly refered to as Bakelite, because the resin Bakelite was developed in 1904 and used extensively for mouldings and also electrical insulating applications.

    There are 2 types available, with variations of grades within these 2 categories.

    Paper Bakelite
    Laminated sheets of paper with a synthetic resin formed into a dense laminate.
    Characteristics, from Low to High voltage insulation properties, a punchable grade and another suited to immersion in transformer oil.

    Fabric Bakelite
    Construction of layers of woven cloth bonded with a synthetic resin, which results in a product with excellent mechanical & wear resistant properties.
    A fine weave & general purpose grade available.
    Typical applications are mechanical, not generally electrical, such as wear plates Gears, pulleys, Pile driving

    Melamine Glass

    Manufactured from a woven glass cloth & melamine resin, this product offers excellent electrical insulation and mechanical properties, with low moisture absorption.
    It has superior Arc resistant capabilities and Flame retardant properties.

    Typical applications are Arc shields and Arc chutes, as well as Switch barriers.
    Nema Grade: G9

    Download:

  • Data Sheet

    • Silicone Bonded Mica

    This material is a combination of Mica (90 %) & a Silicone binder (10 %).
    Exceptional Electrical insulation values, High operating temperatures and good mechanical strength when compared to traditional products that perform at 500°C continuous.

    Download:
  • Data Sheet

    • Epoxy Phenolic

    Download:
  • Data Sheet

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