High Flame-Retardant Epoxy Fiberglass Tube Excellent Voltage Resistance

  • Technical advantages, mold development and design capabilities, excellent supporting capacity.
  • Excellent size, space stability, non cracking, non Explosive Edge
  • Excellent Water Resistance,Excellent Voltage Resistance
  • Available for humid environment and immerse into transformer oil

Products description

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.

glass epoxy tubes

FR4 G10 G11 glass epoxy tubes 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 g10 fr4?

A:G10 / FR4-epoxy glass fiber laminate
※ The non-alkali glass cloth for electrical engineering is impregnated with epoxy phenolic resin, which is a plate-shaped laminate made by hot pressing
※ Features
Class F (155 ℃) insulating material
Has high mechanical properties and dielectric properties, good heat resistance and moisture resistance, and has good machinability.
※ Purpose
Suitable for insulating structural parts in motors and electrical equipment, including various switches, electrical insulation, printed circuit boards, printed carbon film resistors, potentiometers, power distribution cabinets, computer drilling pads, metal fixtures, PCBs The test stand is made and can be used in wet environment conditions and transformer oil, which is extremely widely used


Q:What is the difference between g10 and fr4?

A:G10 FR4 laminate grades are produced by inserting continuous glass woven fabric impregnated with an epoxy resin binder while forming the sheet under high pressure.G10 and FR4 have extremely high mechanical strength, good dielectric loss properties, both wet and dry. The main difference between NEMA Grades G10 and FR4 is that FR4 is a fire retardant grade of G10. Therefore, FR4 may be substituted where G10 is called out except in applications where halogens are not desired. G10 can never be substituted where FR4 is called for.


Q:What color is g10?

A:The Natural color is Light Green,and common colors include yellow and black.But customized colors are available.


Q:At what temperature does fr4 burn?

A:FR4 is a code for a flammable material grade, which means a material specification that resin materials must be able to extinguish themselves after burning. Generally, the Tg of FR4 is about 130 degrees -140 degrees, but if it is only a short time Such as 1-3 minutes of high temperature time, basically the material can withstand. But if it is a long time at high temperature carbonization will occur


Q:Does g10 absorb water?

A:For the water retention/absorption of G10 material, this isn't an issue either. it specifies a water retention/absorption percentage of 0.001 or less (0.1%) for a piece of G10 that is submerged in water for 24 hours. The number for linen Micarta is somewhere in the 0.006 range, or half-a-percent weight gain after a 24 hour soak. In other words, not much...


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


Contact us:

JY Machinery Provides one-stop service from raw material sheet 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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