This grade was originally produced to meet the requirements of MOD (Navy DG Ships) It has excellent electrical strength both in air and immersed in oil and good mechanical properties, low water absorption and high Insulation resistance.
Used in high and medium voltage applications including switchgear, terminal panels bus bar supports.

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A cold/warm punching version of B1 with similar properties, available in thicknesses of up to 3mm.
Also meets type BS2572 P3/1

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Bakelaque B1PTFE composite laminate incorporates an electrical grade phenolic paper core with virgin PTFE bonded to the surface(s) during the curing cycle.The electrical properties of the SRBP (in particular, the arc/tracking resistance at the surface, the insulation resistance and the flatwise electric strength) are enhanced by the use of PTFE. The excellent SF6 resistance of this product make it ideally suited to the manufacture of switchgear components.
Other applications for the material include slides and chutes where the low coefficient of friction of the PTFE is advantageous.

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Excellent electrical strength both in air and immersed in oil and good mechanical properties, low water absorption and high Insulation resistance.
Used in high and medium voltage applications including switchgear, terminal panels bus bar supports.

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Developed as a low cost alternative to type B3 where cosmetic appearance is less critical.

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Designed for H.V. oil immersed and medium voltage applications. Better oil absorption than grade B1. Good electrical and mechanical properties. Water absorption intermediate between Grades B1 and B4.

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Similar to type B1 but with improved insulation resistance and electrical properties. Particularly suited to use in high humidity situations

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A high quality commercial grade for normal temperature and low-tension electrical applications such as flash barriers, secondary insulation in switchgear, jigs, fixtures and mechanical components. May be hot punched.

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A high quality commercial grade for normal temperature and low-tension electrical applications.
Similar to B4 with black core and covers.

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A high quality commercial grade for normal temperature and low-tension electrical applications.
B4 (brown) body with black covers.

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A high quality commercial grade for normal temperature and low-tension electrical applications.
Black core with white covers.

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A cold/warm punching version of B4, available in thickness up to 3mm. Widely used for punching small components, such as fluorescent lamp cap insulators, terminal strips, coil formers and washers.
B4PQ an be supplied with black covers upon request.

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A high quality commercial grade for normal temperature and low-tension electrical applications.
B4 (brown) body with white covers.

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Developed as a low cost alternative to type B4. B5 is intended as a general purpose product where cosmetic appearance is not critical.

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Developed as a low cost alternative to type B4B. B5B is intended as a general purpose product where cosmetic appearance is not critical.

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Very fine weave cotton phenolic laminate with good electrical and mechanical properties. Can be machined to a very fine finish. Suitable for instrument gears and other intricate machined components. Manufactured to comply with types BSEN 60893-3-4-PFCC203 and BSEN60893-3-4-PFCC305 (Formerly BS2572F1)

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Very fine weave scoured cotton phenolic laminate with high electrical strength and low water absorption. Can be machined to a very fine finish for precision components.

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A cost effective Cotton Phenolic laminate made from fine weave cotton fabric, with good electrical and mechanical properties. Can be machined to a good finish. Similar to Bakelaque B10 but slightly coarser weave.

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A cost effective Scoured Cotton Phenolic laminate made from fine weave cotton fabric, with good electrical and mechanical properties. Can be machined to a good finish. Similar to Bakelaque B10s but slightly coarser weave.

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Medium weave cotton phenolic laminate for general-purpose usage. Suitable for gears, bearings and low-tension electrical applications, Lightweight and easy to machine.

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Medium weave scoured cotton phenolic laminate with very good mechanical and electrical properties. Suitable for packing blocks in large rotating machines, water lubricated bearings, pump rotor vanes. Very dimensionally stable under adverse conditions.

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Fine weave scoured cotton epoxy laminate. Can be easily machined to a fine finish with good anti track properties, coupled with high mechanical and electrical strength.

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The high quality resin systems used impart good electrical insulation and high mechanical strength, low water absorption and good thermal shock resistance. Suitable for general purpose use at Class F temperatures and above. Low smoke emission / low toxicity. LUL Approved (SE970).

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High temperature class H/C rating. Moderate mechanical strength, high electrical strength and very low moisture absorption. Low dielectric loss factor and high insulation resistance. Suitable for furnace insulation, H.F radar and microwave applications. Resistant to burning (V-0 rated) Minimal smoke emission / toxicity. LUL approved (SE970).

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High temperature, high performance laminates developed for applications where good dimensional stability, electrical / mechanical strength and rigidity are required at elevated temperatures. Capable of long-term use at 200ºC and intermittent use at higher temperatures.

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Technolaque® T1000 is a cost effective composite sheet, which exhibits good thermal stability and thermal shock resistance coupled with high mechanical strength. It may be used as an economical alternative to Polyimide Glass in some applications. Important attributes of the composite are :- • Low moisture absorption • Excellent dimensional stability • Excellent resistance to thermal shock • High flexural modulus • Excellent resistance to thermal cycling • Excellent solvent resistance • High flexural strength • High Impact strength

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A high strength Class F rigid insulation with many uses ranging from slot wedges in small motors to major components in turbo-alternators and electronic applications. B36 has excellent electrical and mechanical properties, good dimensional stability and machines well.

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Similar to B36 but with enhanced mechanical properties at elevated temperatures. Thermal Class F (155 ºC). Improved flexural strength at 150ºC after heat ageing. Uses include high speed rotating machinery and applications where improved heat distortion characteristics are important.

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Flame retardant Epoxy glass laminate. Class B applications incorporating a brominated resin system. Very good electrical, mechanical and machining characteristics. For all electrical and electronic applications.

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General purpose Epoxy glass laminate. Temperature class B (130 ºC), with good mechanical and electrical properties at moderate cost. Similar to G10 with a modified resin system to improve machinability.

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General purpose Epoxy glass laminate. Temperature class B (130 ºC), with good mechanical and electrical properties at moderate cost. See also B46.

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This grade has been developed for applications where improved thermal stability at elevated temperatures is required. The laminate is capable of continuous operation at class 180 (H) temperatures. This performance has been achieved using specially developed resin systems which ensure high mechanical and electrical strength, excellent resistance to high temperature and good dimensional stability. Technolaque® GE308 offers this unique combination of properties at a competitive price.

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The B9 family of products are high performance composite sealing/insulating materials designed to meet specific needs, primarily in the Oil and Gas distribution industries. B9109 combines the sealing properties of Neoprene with the strength and insulation properties of a fine weave SRBF laminate.
Conventional materials can cause problems due to either with being too soft to withstand the compressive forces of the mating surfaces or too hard to form a satisfactory seal. The thickness of the sealing rubber face(s) on Attwater B9 laminates is kept to a minimum (typically 0.4mm). This combined with the high compressive strength of the core eliminate the compression effects normally associated with softer materials. This makes the product capable of withstanding compressive loads in excess of 30,000 psi.
The product also acts as electrical insulation between the mating surfaces reducing electrolytic effects, which can lead to corrosion.
The Attwater Group also manufactures a complementary range of insulating bushes and washers to enable complete insulated flange joints to be assembled.

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The B9 family of products are high performance composite sealing/insulating materials designed to meet specific needs, primarily in the Oil and Gas distribution industries. The products incorporate an SRBP or SRBF core with a chemically bonded Neoprene surface. Conventional materials can cause problems due to either with being too soft to withstand the compressive forces of the mating surfaces or too hard to form a satisfactory seal. The thickness of the sealing rubber face(s) on Attwater B9 laminates is kept to a minimum (typically 0.4mm). This combined with the high compressive strength of the core eliminate the compression effects normally associated with softer materials. This makes the product capable of withstanding compressive loads in excess of 30,000 psi The product acts as electrical insulation between the mating surfaces reducing electrolytic effects, which can lead to corrosion. B949F is a special composite which is faced on both sides with fabric reinforced Neoprene. This type exhibits higher compressive strength than the non-reinforced composite Attwater also manufactures a complementary range of insulating bushes and washers to enable complete insulated flange joints to be assembled.

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The B9 family of products are high performance composite sealing/insulating materials designed to meet specific needs, primarily in the Oil and Gas distribution industries. The products incorporate an SRBP or SRBF core with a chemically bonded Neoprene surface. Conventional materials can cause problems due to either with being too soft to withstand the compressive forces of the mating surfaces or too hard to form a satisfactory seal. The thickness of the sealing rubber face(s) on Attwater B9 laminates is kept to a minimum (typically 0.4mm). This combined with the high compressive strength of the core eliminate the compression effects normally associated with softer materials. This makes the product capable of withstanding compressive loads in excess of 30,000 psi The product acts as electrical insulation between the mating surfaces reducing electrolytic effects, which can lead to corrosion. Attwater also manufactures a complementary range of insulating bushes and washers to enable complete insulated flange joints to be assembled.

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The B9 family of products are high performance composite sealing/insulating materials designed to meet specific needs, primarily in the Oil and Gas distribution industries. The products incorporate an SRBP or SRBF core with a chemically bonded Neoprene surface. Conventional materials can cause problems due to either with being too soft to withstand the compressive forces of the mating surfaces or too hard to form a satisfactory seal. The thickness of the sealing rubber face(s) on Attwater B9 laminates is kept to a minimum (typically 0.4mm). This combined with the high compressive strength of the core eliminate the compression effects normally associated with softer materials. This makes the product capable of withstanding compressive loads in excess of 30,000 psi The product acts as electrical insulation between the mating surfaces reducing electrolytic effects, which can lead to corrosion. Attwater also manufactures a complementary range of insulating bushes and washers to enable complete insulated flange joints to be assembled.

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The Technolaque® SD Range is a breakthrough in static dissipation. Developed by the Attwater Group, originally for the A.T.E. market, it incorporates a static-dissipative thermosetting surface, which is less than 50 microns thick. This special surface can be integrally press bonded onto a range of sheet substrates including Phenolic paper and epoxy glass during the manufacturing process, providing permanent static dissipative properties on one or both surfaces. As the Static-dissipative layer is not dependant upon additives bleeding to the surface, adhesive bonding of the manufactured components is possible. Also, the insulation properties of the core (below the static dissipative layer) are not affected permitting optimum insulation properties between conducting pins after suitable machining of the surface. B60 Epoxy glass core with Static dissipative surfaces on both sides.

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The Technolaque® SD Range is a breakthrough in static dissipation. Developed by the Attwater Group, originally for the A.T.E. market, it incorporates a static-dissipative thermosetting surface, which is less than 50 microns thick. This special surface can be integrally press bonded onto a range of sheet substrates including Phenolic paper and epoxy glass during the manufacturing process, providing permanent static dissipative properties on one or both surfaces. As the Static-dissipative layer is not dependant upon additives bleeding to the surface, adhesive bonding of the manufactured components is possible. Also, the insulation properties of the core (below the static dissipative layer) are not affected permitting optimum insulation properties between conducting pins after suitable machining of the surface. B61 Epoxy glass core with Static dissipative surface on one side.

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The Technolaque® SD Range is a breakthrough in static dissipation. Developed by the Attwater Group, originally for the A.T.E. market, it incorporates a static-dissipative thermosetting surface, which is less than 50 microns thick. This special surface can be integrally press bonded onto a range of sheet substrates including Phenolic paper and epoxy glass during the manufacturing process, providing permanent static dissipative properties on one or both surfaces. As the Static-dissipative layer is not dependant upon additives bleeding to the surface, adhesive bonding of the manufactured components is possible. Also, the insulation properties of the core (below the static dissipative layer) are not affected permitting optimum insulation properties between conducting pins after suitable machining of the surface. B62 Phenolic paper / Epoxy glass c