G-10 Fiberglass Epoxy Laminate Sheet


It is manufactured in flat sheets, most often a few millimeters thick. G10/FR-4 is a composite material that consists of glass fabric, electrical grade epoxy resin. The material is extremely strong and stiff, has a low coefficient of thermal expansion, and outstanding electrical properties.

Have another idea or a question about Norplex-Micarta and our approach to composites? Speak with one of our applications engineers to discuss how Norplex-Micarta’s thermoset composites can be designed your specific application. The NEMA Standard provides generic category recognition of grades based on their construction, reinforcement, and resin. Typical properties and performance requirements for each category are defined and published along with standard dimensional tolerances for standard forms of the product. Norplex-Micarta welcomes the opportunity to support your composite material development needs. Contact an Authorized Reseller for currently available inventory.

  • The strength of G10 plays a big role in why the material is so commonly used.
  • This makes it the strongest of the glass fiber resins.
  • These can be textured , bead blasted, sanded or polished.

We carry an extensive inventory of plastic sheets, rods, tubes, film, tapes, adhesives and more from highly qualified manufacturers. Electrical grade phenolic sheet material with cotton canvas reinforcement. Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb’s terms of use regarding this information.

However, the G10 uses glass cloth as its base material. This makes it the strongest of the glass fiber resins. Therefore the most commonly used in the manufacturing industry. G-10 is extremely popular within the knife and gun industry, as it is most commonly used for knife handles and gun grips. At Norplex-Micarta, we manufacture some of the most exquisite, high-quality glass epoxy available. Our team has been manufacturing premium G-10 for decades.

Built from durable fiberglass and epoxy resin, and formed under high temperature and pressure, G-10 is unlike other polymers — it will not melt. G-10 is also resistant to temperature and is extremely lightweight. It is a rugged, resilient, reliable material suitable for a variety of uses, including aesthetic ones. While G-10 is similar to other products/materials such as Micarta and carbon fiber, the primary difference is G-10 uses glass fibers. To understand what G10 material is, it is good to start with what it is made from. The G10 is made by stacking layers of glass cloth soaked with epoxy resin, compressed until the epoxy cures.

The ever important “hot wet” Tg is not discussed in electrical standards, because it is very rare for such a condition to exist. G-10, like FR-4, FR-5, and G-11 are interesting to designers because they are one of the few composite materials that have an established set of performance requirements. This makes them easier to work with in the initial design phase where many composite materials require expertise to judge their potential performance characteristics. G-10 is the toughest of the glass fiber resin laminates and therefore the most commonly used. G10 material is some of the strongest materials out there. And, has amazing properties that cannot be touched by other resins.

It displays amazing properties and offers lifetime use without maintenance. Working with G10 material is working with some of the strongest materials on the market. The insulating properties, strength, fire and electrical insulation and moisture resistances lend itself to a variety of applications. G10 material is a high-pressure fiberglass laminate that can be used in things other than Circuit boards. However, circuit boards are one of the more common applications. It is created by stacking multiple layers of glass cloth into a soaking epoxy resin.

Designing With Composites

These are some extremely strong and desirable properties for many applications. The material is similar to cutting sheet metal and offers very little heat expansion so getting the blade a bit hot will not affect the cut at all. Garolite generally comes in sheets, and these sheets are made up of resin along with fiberglass, and it is the fiberglass that provides the rigidity for the material.

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Its dimensional stability combined with temperature tolerance, chemical resistance, superior strength, and lightweight makes it a go-to material. The aerospace industries, heavy equipment, and the automotive industry use G10 a lot in their applications. This includes the framework, braking systems, thermal insulators, as well as rocket motor casings and many other applications of this equipment. The G10 material has excellent electrical insulating properties. And offers amazing mechanical strength, dimensional stability. This includes equipment assembly spacers, shields, arc chutes, fuses, control panels as well as structural support.

G10 Applications

MMS is a small family business dedicated to amazing customer service. Hazards from G10 are typically from cutting and grinding the material, the dust from glass and epoxy leads to an increase of long term respiratory illnesses. Whenever cut or grinded, wearing a respirator or other similar face protection equipment is a must. Once G10 is dried it is perfectly fine to be around, but if it is burned or melted it will produce toxic fumes. These are indicative values based on popular product prices.

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It has great fire and electrical insulation properties and is resistant to oil and moisture, which helps make it the perfect match for the engine room in ships. The appearance of G10 material is of a yellow or light green laminate. G10 material is useful for applications that require electrical insulation, dimensional stability, and moisture resistance. This material has a super high strength that stops it from bending or breaking under load. It doesn’t absorb moisture even when exposed over time and oil doesn’t bother the G10 material.

It also provides thermal and electrical insulation for motors, generators, switchgear, wedges, bush holders, etc. Because G10 has little water absorption using it in and around boats is a great option. It is very similar to the popular starboard because G10’s epoxy it bonds well with other epoxies. G10 is non-corrosive as well and makes great back plates for high load applications due to its strength. It is the perfect material for Engine room bulkhead and holding engine mounting brackets.

Plain G 10 FR 4 SHEET

Created by the stacking of multiple glass cloth layers. Then by heat and pressure, it is compressed into the shape you are looking for. As with most fiberglass, this stacking provides amazing strength and durability. This is a very popular and strong material used in many industries in custom fabrication for good reason.

CMI is a proven leader at applying industry knowledge and engineering expertise to solve problems that other fabricators cannot or will not take on. The company is family owned and highly values relationships often going beyond the call of duty to help a customer. Our people value honesty, integrity and other family values that are often missing in newer or larger companies.

However, G10 can be fabricated, machined and assembled with the correct equipment and the final product is amazing. A glass reinforced thermoset polyester material with excellent mechanical and electrical properties. Norplex-Micarta is one of North America’s leading producers of thermoset composite pre-pregs, sheets, and shapes. These hybrid and multi-material solutions are prized for their design flexibility, consistency, and value. Want to learn more about our G-10 handles and products to see how they can be used for industrial applications? And unlike other G-10 available in the market, UltreX™ G-10 is produced in the USA.

G10 also meets the standards set by the National Electrical Manufacturers Association. The versatility of G10 FR4 allows it to be used through different electronic purposes like mechanical lines. G10 is a very challenging material to machine because of its abrasive glass fillers. Machining speeds that are common with metal are too high for composites. G10 machining requires special machines as well as experts who know how to work with G10 material.

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However, all those other places on a boat that needs backing plates and such, you have found the best product for such an application in G10. High strength, low cost composite made from phenolic resin impregnated into layers of paper. Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Decorative variations of G-10 are produced in many colors and patterns and are especially used to make handles for knives, grips for firearms and other tools. These can be textured , bead blasted, sanded or polished.

This material conducts almost no electricity which lends itself perfectly to the circuit board industry. And, it has properties that keep the coefficient of thermal expansion to a minimum. This is why you see G10 material being used so often in circuit boards. If material that had all the circuit board parts attached expanded greatly it would cause harm to the computers and other components. It is very stable over temperature, absorbs a low amount of moisture and possesses a good strength to weight ratio.

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The strength of G10 plays a big role in why the material is so commonly used. The only way to use G10 for parts is to machine it, it cannot be injection moulded. It typically comes in bar, sheet and rod shapes, and a part’s size may depend on the stock size of the material that is available at that present moment. As mentioned previously, it has great electrical properties, this comes from its high insulating factors, which means that electrical current cannot flow through it. This makes it the perfect material to be used for electrical circuit boards. G10 material has insulating properties that are beneficial for electrical applications.

pressure fiberglass laminate

G10 comes in flat g10 materials and it is incredibly tough, in comparison to other glass fiber resin laminates. G-10 is favored for its high strength, low moisture absorption, and high level of electrical insulation and chemical resistance. These properties are maintained not only at room temperature but also under humid or moist conditions. It was first used as a substrate for printed circuit boards, and its designation, G-10, comes from a National Electrical Manufacturers Association standard for this purpose. The G10 material is similar to both Micarta and carbon fiber laminates, as they are all resin-based laminates.

Its strength and low density make it useful for other kinds of handcrafting as well. When cutting and grinding give care to protect your skin and airways. It will not rust or oxidize, won’t become brittle, and will not soften over time. Unlike other materials such as bone, wood or horn or some metals, this material will stand up to the test of time. And, it resists chipping like materials such as mother of pearl.

A composite sheet material that consists of electrical grade phenolic resin impregnated into layers of linen fabric. The minimum glass transition temperature is an important design criteria for many structural applications. But, the NEMA LI-1 standard does not have a minimum Tg requirement.

If you are looking for a material that will last, then G10 material is an option. The material must have custom fabrication and it is not an injection molding type of material. It is quite difficult to machine and must use specialized cutters due to the strength of the material.

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