Garolite Phenolic G10 G11 Tube for Trasformer Application

  • G10/G11/FR4 High Voltage And High Temperature Insulation Tube
  • China Customized Halogen-free G10 G11 Epoxy Fiberglass Tube
  • Custom G10 and FR4 Plastic Fabrication Project
  • Glass Reinforced Epoxy Tubes, G-10, FR-4 & G-11


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Nema Grade G10 FR4 G11 tubing are made of alkali-free glass fabric and binded with epoxy resin, cast to specific sizes, and then molded or ground to desired specifications.

G10 FR4 G11 tubes also have excellent chemical and electrical resistance under dry and wet conditions.G10 FR4 G11 tubes also exhibit high flexural, impact resistance, excellent mechanical and bonding strength at temperatures up to 130℃.

Suitable for being used as insulation structural parts of mechanical, electrical and electronic equipment. Applications include mast, heat exchanger, coil and inductor.The G10 fiberglass tube is ideal for spacers and standoffs.G10 FR4 G11 tubes are also suitable for bushings.G10 FR4 G11 tubes are available in both standard and custom sizes.


FR4 G10 G11 Epoxy Tube Properties:

Item Test method Unit Values
Physical properties color   ---- ///
density IEC 60893-2 8.1 g/cm3 1.85-2.00
water absorption IEC 60893-2 8.2 % ≤ 0.5
Mechanical properties Tensile strength IEC 60893-2 5.7 Mpa ≥400
Flexural Strength(perpendicular) IEC 60893-2 5.1 ≥650
Compressive strength parallel IEC 60893-2 5.3 ≥ 290
perpendicular ≥200
Shearing strength IEC 60893-2 5.6 ≥ 89.7
Impact strength(Charpy) IEC 60893-2 5.5 Kj/m2 ≥ 475
Electrical properties Volume Resistivity IEC 60089 Ω·m ≥1.0 x 1012
Surface Resistivity Ω ≥ 1.0×1014
Electric strength perpendicular to lamination (90℃ in oil) IEC 60893-2 6.1.2 kV/mm ≥ 10.0
Breakdown Voltage parallel to lamination KV ≥ 45
Arc Resistance IEC 61621:1997 Sec. ≥ 180
Thermal properties Coefficient of Thermal Expansion ASTME 228-11 1/K ≤2×10-5
coefficient of heat conduction GB/T 10297-1998 W/(m2×K) ≤10.79

FAQ:

Q:What is the difference between FR4 and 3240?

A:Raw materials resin and glass cloth are different.The mechanical strength and electrical properties of FR4 are higher than 3240, and FR4 has V0 flame retardancy.The price of 3240 will be cheaper and the density will be a little bit higher, the performance will be a little bit worse.

Q:What does fr4 mean?

A:FR4 material is a rigid insulation material made of imported alkali free glass fiber cloth impregnated with imported epoxy resin and added with flame retardant and adhesive.

Q:How do you cut fiberglass tubes?

A:The forming process of glass fiber tube is that the glass fiber impregnated with resin is cured in a high speed polymerization device of photoelectrothermal integration, and then formed by traction and pultruding.Because the thin wire of glass fiber tube is not easy to cut off and often has the phenomenon of connecting the wire, so can use special grinding wheel cutting machine, electric saw cutting machine, laser cutting machine to cut, the cutting cost of grinding wheel and electric saw is cheaper than laser.

Q:What are fiberglass tubes?
A:Fiberglass tube is a kind of pultrusion formed FRP composite material, which is a thermosetting elastic material formed by continuous fiberglass coarse sand and resin under the traction of pultrusion molding machine.The rich resin layer on the surface makes it have good anticorrosion.Common fiberglass tubes include FR4 G10 G11 3240 tubing.

Q:What are fiberglass tubes?

A:Fiberglass tube is a kind of pultrusion formed FRP composite material, which is a thermosetting elastic material formed by continuous fiberglass coarse sand and resin under the traction of pultrusion molding machine.The rich resin layer on the surface makes it have good anticorrosion.Common fiberglass tubes include FR4 G10 G11 3240 tubing.


More Machined Parts:


     Epoxy Fiberglass Laminated Sheet                 Epoxy Fiberglass Machined Parts             FR4 G10 Machined Parts


Machining Bakelite Parts                                   Machining Phenolic Parts                           Machining GPO-3 Parts


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JY Machinery Provides one-stop service from raw material sheet/tube/rod supply to customized further processing of nonmetal insulating parts.We can develop and produce various high standards and personalized products according to customers' requirement.Excellent customer service, fair pricing, and quick turnaround times.Get a quote today!


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