USA Sealing BULK-CS-GFR4-42 G-10/FR-4 Garolite Sheet, 1/8″ Height, 12″ Width, 12″ Length

Description

Product Overview

The USA Sealing G-10 FR-4 Garolite sheet is engineered for high‑performance applications where strength, stability, and precision are paramount. Constructed from premium Garolite material, this sheet delivers a consistent 1/8 inch (0.125″) thickness with tight tolerance, ensuring uniformity across every piece. Its 12×12 inch dimensions provide a versatile footprint that fits standard tooling and machining setups, while the yellow, opaque coloration offers easy visual identification in busy workshop environments.

Key physical properties include a tensile strength of 38,000 psi and an impact strength rating of 14.0 ft‑lb/in, reflecting the sheet’s ability to absorb and dissipate energy without cracking. The Rockwell M110 hardness rating confirms resistance to surface wear, making the material suitable for repeated handling and machining operations. With a density of 0.072 lbs per cubic inch and a temperature tolerance up to 280°F, the sheet maintains dimensional stability across a broad range of operating conditions.

Compliance with UL 94 V0 flame‑retardant standards ensures that the sheet meets stringent safety requirements for electronic and aerospace components. Water absorption is exceptionally low at 0.0015, classified as good, which helps prevent swelling or degradation in humid environments. The sheet’s plain backing type simplifies bonding with a variety of adhesives, enabling secure attachment to substrates or composite structures.

Manufactured by USA Sealing Inc., a reputable supplier known for consistent quality control, this product has earned a solid reputation among engineers and fabricators. Its best‑seller rank within the laminate sheets category highlights its popularity and reliability in the industrial market. Customer reviews reflect a 3.7‑star rating, indicating overall satisfaction with performance and value.

Overall, the USA Sealing G-10 FR-4 Garolite sheet offers a balanced combination of mechanical strength, thermal resistance, and ease of processing, making it an excellent choice for demanding projects that require dependable material performance.

Usage

Designed for aerospace applications, this Garolite sheet can be employed in the fabrication of structural panels, brackets, and interior components where weight savings and fire resistance are critical. Its high impact strength and low water absorption make it suitable for aircraft interior panels that must endure repeated stress cycles and exposure to varying humidity levels.

In the electronics industry, the sheet serves as an ideal substrate for printed circuit boards (PCBs), providing excellent dielectric properties and dimensional stability. Engineers often select this material for high‑frequency circuits, RF components, and shielding applications where consistent electrical performance is essential.

Prototyping and rapid‑development environments benefit from the sheet’s machinability; it can be easily cut, drilled, and milled using standard CNC equipment. The plain backing allows for straightforward adhesive bonding, enabling the creation of custom fixtures, test rigs, and composite laminates without the need for specialized surface preparation.

Beyond aerospace and electronics, the sheet is well‑suited for industrial tooling, such as molds, jigs, and fixtures that require a hard, wear‑resistant surface. Its temperature tolerance up to 280°F ensures that it can withstand the heat generated during machining or during exposure to hot fluids in process equipment.

Why Choose Us

Choosing USA Sealing as your supplier guarantees access to a product that has undergone rigorous quality assurance testing at every production stage. Each sheet is inspected for thickness uniformity, surface finish, and mechanical properties, ensuring that you receive material that meets or exceeds the specifications outlined in the product data sheet.

Our commitment to compliance means that the Garolite sheet adheres to UL 94 V0 flame‑retardant standards, providing peace of mind for applications where fire safety is non‑negotiable. Additionally, the material’s low water absorption rating helps maintain performance in humid or marine environments, reducing the risk of dimensional changes over time.

We support our customers with responsive technical assistance, offering guidance on material selection, machining parameters, and adhesive compatibility. Our engineering team is available to help you optimize designs and troubleshoot any issues that may arise during product integration.

When you purchase from USA Sealing, you benefit from reliable inventory management and fast shipping, minimizing downtime for your projects. Our transparent pricing and clear product documentation empower you to make informed purchasing decisions without hidden costs.

Key Features

• Robust 1/8 inch thickness ensures consistent performance across large batches.
• High impact strength provides excellent resistance to mechanical shock and vibration.
• Low water absorption maintains dimensional stability in humid or marine conditions.
• UL 94 V0 flame‑retardant rating meets strict safety standards for aerospace and electronics.
• Dedicated technical support and after‑sales service to assist with integration and troubleshooting.

FAQ

What machining tools are recommended for cutting this Garolite sheet?

Standard CNC routers, laser cutters, and water‑jet machines can be used to shape the sheet. For best results, employ carbide‑tipped end mills and maintain cutting speeds between 150 and 250 surface feet per minute. Use proper cooling to avoid heat buildup, which can affect surface finish.

Can this sheet be bonded with epoxy adhesives?

Yes, the plain backing type is compatible with most epoxy, acrylic, and cyanoacrylate adhesives. Clean the surface with isopropyl alcohol before applying the adhesive to ensure optimal bond strength. Allow the adhesive to cure according to the manufacturer’s recommended schedule for full performance.

Is the material suitable for high‑frequency RF applications?

The Garolite G‑10/FR‑4 composition offers stable dielectric properties, making it appropriate for RF and microwave circuits up to several gigahertz. Its low loss tangent helps maintain signal integrity, but for extremely high‑frequency designs, verify the specific dielectric constant requirements with your design specifications.

What is the recommended storage condition to preserve material quality?

Store the sheets in a dry, temperature‑controlled environment away from direct sunlight and chemicals. Maintaining a relative humidity below 60% and a temperature range of 50–80°F helps prevent moisture uptake and dimensional changes over time.

How does the sheet perform under repeated thermal cycling?

The material’s thermal expansion coefficient is low, and it can endure repeated cycles between -40°F and 280°F without significant degradation. This makes it suitable for applications where components experience frequent temperature fluctuations, such as aerospace avionics and industrial equipment.