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G10 Glass Epoxy Sheets

Harnawa Inc. manufactures and supplies G10 Sheets, Glass Epoxy Sheets, and NEMA G10 Fiberglass Insulation Laminate Sheets in India with high electrical insulation strength.

G10 Glass Epoxy Sheets

G10 Insulation Sheet Manufacturer & Supplier in India

Harnawa Inc. is one of the key producers and suppliers of G10 Sheets in India supplying G10 Glass Epoxy Sheets, NEMA G10 Laminates, and Fiberglass Insulation Laminate Sheets of premium quality.

The G10 Sheets are formed by reinforcing the woven fiberglass cloth with the epoxy resin and hence, are highly mechanically strong, dimensionally stable, moisture-resistant and make a perfect electrical insulator. G10 sheets find their usage in the industries where performance of electrical insulation under tough conditions is required.

At Harnawa Inc., we offer our customers G10 Fiberglass Insulation Laminate Sheets of various thicknesses including G10 Sheet 1/8 inch. These are also known as High Temperature Insulation Sheets.

What is a G10 Sheet?

The G10 laminates are fabricated from high pressure fiberglass laminate that involves bonding woven glass fiber together with epoxy resin using heat and pressure. This material is characterized by good electrical insulation properties, strength, low moisture absorption, and dimensional stability.

These qualities make the G10 sheets work well under various industrial conditions.

The G10 sheets can be used in any area that requires an electrical insulator and where mechanical strength is required. The material is resistant to chemical attacks and mechanical pressures and has good dielectric strength.

Key Features of G10 Glass Epoxy Sheets

  • Excellent electrical insulation properties
  • High mechanical strength and rigidity
  • Low moisture absorption
  • Good dimensional stability
  • Resistant to chemicals and wear
  • Superior arc resistance
  • Long operational life
  • Easy machining and fabrication

Harnawa Inc., besides manufacturing G10 Sheets, also offers a full range of insulating products that include insulating papers, insulating tapes, laminate insulations, and many more customized insulating products.

G10 sheet Class F insulation sheet

A G10 Sheet Class F Insulation Sheet is a high-quality electrical insulation sheet made using fiberglass cloth that has been impregnated with epoxy resin using high heat and high-pressure. The material is characterized by high performance levels, reliability, and great insulation, making it suitable for use in tough conditions of the industries. As a Class F insulation material, it can work in operating temperatures up to 155°C.

Properties of G10 Class F insulation sheets include great dielectric strength, low moisture absorption levels, great dimensional stability and chemical and mechanical stability. Due to the properties of the G10 Class F insulation sheets, they are considered an ideal option for equipment which is exposed to high temperatures and heavy loads in the process of operation. They are easy to work with and can be customized according to the needs of any industrial application.

The list of uses for G10 Sheet Class F insulation sheets includes electric motors, transformers, generators, switchgear, electrical control panels, circuit breakers, busbar supports, CNC machined insulation parts, PCB support structures, railway equipment, renewable energy equipment, and industrial automation equipment.

G10 Fiberglass Insulation Laminate Sheet

A G10 Fiberglass Insulation Laminate Sheet is a high pressure laminate created through the process of laminating woven fiberglass cloth with epoxy resins with heat and pressure. The G10 fiberglass insulation laminate sheets are extensively used as electrical insulating materials due to their exceptional dielectric properties, strength, and dimensional stability. The G10 fiberglass insulation laminate sheets are created in such a way that they can be used in any type of electrical and industrial application.

The G10 fiberglass insulation laminate sheets provide very good protection against moisture, chemicals, and mechanical abrasion with good electrical properties at the same time. The low moisture absorbency and high dielectric strength enable them to be used in high voltage equipment, electrical panels, transformers, and industrial machines. G10 fiberglass insulation laminate sheets are also easy to machine, hence providing the facility of making precise insulation parts.

NEMA G10 Sheet

Harnawa Inc. is one of the top producers and suppliers of NEMA G10 Sheets in India. Harnawa Inc. offers superior quality NEMA G10 Glass Epoxy Sheets, Fiberglass Epoxy Laminates, and Electrical Insulation Sheets.

NEMA G10 is one of the known grades of electrical insulation as per the National Electrical Manufacturers Association (NEMA). It is a composite rigid sheet made up of fiberglass fabric impregnated with epoxy resin. NEMA G10 is used extensively due to its good dielectric strength and moisture resistance property.

NEMA G10 is a highly efficient glass reinforced epoxy laminates which are used where there is a need for good insulating and mechanical properties. The production process for NEMA G10 involves the lamination of glass fabrics using an epoxy resin with high pressure and temperatures.

In contrast to flexible insulating materials like heat insulation paper and electric insulation tapes, NEMA G10 has excellent structural rigidity and insulating capability.

Why Choose Harnawa Inc. for G10 Sheets?

G10 Fiberglass Insulation Laminate Sheets is an established brand name in the market for manufacturing and supplying G10 Fiberglass insulation laminate sheets in India providing superior quality insulation material for applications like electrical, industrial, and OEM applications. The G10 sheets supplied by us are manufactured from the finest quality of fiberglass cloth and epoxy resin, thereby making them good insulators and mechanically strong.

The latest methods employed in the manufacturing of G10 sheets make quality control highly efficient and thereby making it possible for us to provide G10 sheets that cater to the diverse needs of transformers, electric motors, switch gears, electrical panels, PCB support assemblies, and CNC machined insulation assemblies.

Why Customers Choose Us

  • Quality Insulation G10 Fiberglass Sheets
  • State-of-the-Art Manufacturing Facility
  • Outstanding Electrical Insulation Characteristics
  • Strong & Durable Mechanical Properties
  • Custom and Standard Size Sheet Available
  • Sheet Machining using CNC Machines
  • Strict Quality Check Process
  • Reasonable Price Offered
  • Capacity to Manufacture in Large Quantity
  • Prompt Delivery all across India
  • OEM and Industrial Supply Solutions
  • Professional Technical and Customer Support

Products image

Material

Fiberglass cloth + Epoxy resin

Type

G10

Heat Resistance

Up to approx. 155 °C

Color Options

Natural Green

Thickness Range

Customizable

Size Format

Sheets, cut-to-size

Typical Applications

Switchgear, PCB, transformers, insulation parts

NEMA, IEC, Mil Spec Material Comparative Table
NEMA IEC Mil Spec Resin Substrate
NEMA G-10EPGC 201, 21*MIL-I-24768/2 GEEEpoxyGlass Cloth
NEMA FR4EPGC 202, 23*MIL-I-24768/27 GEE-FEpoxyGlass Cloth
NEMA G-11EPGC 203, 22*MIL-I-24768/3 GEBEpoxyGlass Cloth
NEMA FR5EPGC 204MIL-I-24768/28 GEB-FEpoxyGlass Cloth
—EPGC 205—EpoxyGlass Cloth
—EPGC 306—EpoxyGlass Cloth
—EPGC 307—EpoxyGlass Cloth
—EPGC 308—EpoxyGlass Cloth
—EPGC 309—EpoxyGlass Cloth
—EPGC 310—EpoxyGlass Cloth
—EPGC 311—EpoxyGlass Cloth
—EPGM 203—EpoxyGlass Mat
—EPPC 301—EpoxyPolyester Cloth
NEMA G-5MFGC 201, 20*MIL-I-24768/8 GMGMelamineGlass Cloth
NEMA G-9MFGC 201MIL-I-24768/1 GMEMelamineGlass Cloth
NEMA CPFCC 201, 23*MIL-I-24768/16 PBMPhenolicCotton Cloth
NEMA CEPFCC 202, 22*MIL-I-24768/14 FBGPhenolicCotton Cloth
NEMA LPFCC 203MIL-I-24768/15 FBIPhenolicCotton Cloth
NEMA LEPFCC 204, 21*, 24*MIL-I-24768/13 FBEPhenolicCotton Cloth
NEMA XPFCP 201, 21*MIL-I-24768/12 PBMPhenolicCellulosic Paper
NEMA XPPFCP 201MIL-I-24768/19 PBM-PPhenolicCellulosic Paper
NEMA XXXPFCP 204MIL-I-24768/10 PBEPhenolicCellulosic Paper
NEMA XXPFCP 202, 23*MIL-I-24768/11 PBGPhenolicCellulosic Paper
NEMA XXPPFCP 203MIL-I-24768/21 PBG-PPhenolicCellulosic Paper
NEMA XXXPPFCP 204MIL-I-24768/22 PBE-PPhenolicCellulosic Paper
NEMA XPCPFCP 207MIL-I-24768/20 PBM-CPhenolicCellulosic Paper
NEMA G-3PFGC 201, 21*MIL-I-24768/18 GPGPhenolicGlass Cloth
NEMA GPO-1UPGM 201MIL-I-24768/4PolyesterGlass Mat
NEMA GPO-2UPGM 202MIL-I-24768/5PolyesterGlass Mat
NEMA GPO-3UPGM 203MIL-I-24768/6PolyesterGlass Mat
—UPGM 205—PolyesterGlass Mat
—PIGC 301—PolyimideGlass Cloth
NEMA G-7SIGC 201, 21*MIL-I-24768/17 GSGSiliconeGlass Cloth
Note:
1 – Comparable grades can vary slightly in specification based on test methods and thickness.
* Indicates IEC tube standard.

Applications of our Products

Generator Construction
  • Hydroelectric generators
  • Turbine generators
  • High voltage motors
Transformer And Coil Construction
  • Small transformer
  • Choke coils
  • Oil-filled substation transformers
  • Dry-type transformer
  • Cast resin transformer
  • Cast resin measuring transformers
  • Magnet coils for superconducting
Motor Constructions
  • DC motors
  • Single-phase AC motor (Up to 500 KW)
  • Traction motors
  • DC electrical machines
  • Low voltage motors (Larger than 500 KW)
Capacitor Construction
  • Power capacitor
Electrical Vehicles
  • Electrical vehicle motors
  • Batteries
  • Electronic control units (ECUs)
High Temperature Applications
  • Oil & Gas industry
  • Metallurgy & Chemical industries
  • Aerospace
Miscellaneous
  • Rectangular section wires
  • Automatic circuit breakers
  • Sensors & Communication systems
  • Heaters & Heating systems
  • Switchgears
  • Domestic appliances
  • Industrial electronics
Applications - PVC coated fiberglass sleeve

G10 VS G11 VS FR4 VS FR5

Distinguishing Features of FR4 vs. G10:
Distinguishing Features of FR5 vs. G11:

Mechanical Strength :

Both FR4 and G10 showcase exceptionally high mechanical strength.

Color :

G11/FR5 exhibits a distinctive yellow-green to amber color.

Temperature Performance :

Both provide heat resistance up to 155°C. FR4 offers superior operating temperatures and enhanced mechanical strength at elevated temperatures compared to G10.

Temperature Performance :

Both offer heat resistance up to 200°C. FR5 surpasses G11 with higher operating temperatures and superior mechanical strength at elevated temperatures.

Dielectric Properties :

Both demonstrate commendable dielectric loss and electric strength properties in both wet and dry conditions.

Dielectric Properties :

Just like other Glass Epoxy Laminates both demonstrate commendable dielectric loss and electric strength properties in both wet and dry conditions.

Notable Distinction :

FR4 is the fire-retardant grade of G10. While FR4 can seamlessly substitute G10, the reverse is not recommended. Opt for FR4 in applications demanding fire retardancy.

Noteworthy Difference :

G11 lacks fire retardancy, whereas FR5 is specifically a FR grade of G11. FR5 can be an effective substitute for G11, but G11 should not replace FR5 in applications requiring fire retardancy.

Key Features

Excellent Electrical Insulation

Superior Thermal Resistance

High-performance Protection

Industries We Serve

Explore the Wide Range of Industries We Proudly Serve

Providing reliable and high-performance insulation solutions across various sectors.
Certification

Explore the
Certifications

ISO 9001:2015
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REACH Compliant
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Electrical Research
and Development
Association
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Inquiries and Custom Solutions

Find your right electrical insulation materials with us!

You have questions according to our insulating or want to send an inquiry? Our sales representative will be happy to help you.
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