Usa Industrials BULK-RS-S40-28 Silicone Rubber Sheet

Product Description

The USA INDUSTRIALS BULK-RS-S40-28 is a red silicone rubber sheet cut to a 12 inch by 12 inch stock length. It carries a Shore A durometer rating of 35 to 45, placing it in the soft-to-medium hardness range suitable for gasketing, sealing, and vibration-dampening applications. The material handles a continuous temperature range from -60 degrees F to 500 degrees F, making it a practical choice for high-heat and extreme-cold environments. With a tensile strength of 650 psi, this sheet holds up under moderate mechanical stress. HVAC technicians, plumbers, and industrial maintenance professionals typically fabricate custom gaskets, pads, and seals from stock sheets like this one.

This silicone rubber sheet is suited for residential and commercial applications where thermal stability and compression set resistance are required. Common uses include duct sealing gaskets, boiler and piping flange pads, equipment vibration isolators, and custom-cut seals in both indoor and outdoor environments. The red color provides quick visual identification on the job site. The sheet ships as a single 12 inch by 12 inch piece, allowing tradespeople to cut it to the exact profile needed for the application at hand.

Key Features

• Shore A durometer of 35 to 45 for soft-to-medium compression and conformability
• Wide service temperature range: -60 degrees F to 500 degrees F
• Tensile strength of 650 psi for reliable performance under moderate stress
• Stock 12 inch by 12 inch dimension allows on-site custom fabrication
• Red color for easy material identification
• Silicone compound provides strong resistance to UV, ozone, and moisture

Compatibility

Designed as a general-purpose silicone rubber sheet for fabricating gaskets, seals, pads, and isolators in HVAC, plumbing, and industrial maintenance applications where silicone-grade material is specified.

Installation Notes

Cutting should be performed with a sharp utility knife, die cutter, or shears on a flat, clean surface to produce clean edges. Ensure the mating flange or surface is free of debris and old gasket material before installing a fabricated piece. When used in pressurized or high-temperature piping applications, verify that the finished gasket meets the pressure and temperature requirements of the system and complies with applicable codes such as IPC or IFGC. No adhesive is required for most compression-fit gasketing applications, but contact adhesive may be used if the part must stay indexed during assembly.