Products

General Purpose Grade Silicone

General purpose solid silicone sheeting from ElastaPro delivers cost-effective, dependable performance for industrial and commercial sealing, gasketing, and thermal insulation. Engineered for broad environmental resistance, these commercial-grade silicone materials provide excellent thermal stability from −80°F to +450°F (−62°C to +232°C), high dielectric strength, and long-term resistance to UV, sunlight, ozone, and outdoor weathering.

Every batch is Made in USA under ElastaPro’s ISO 9001:2015 / AS9100D quality system and shipped with a complete Certificate of Analysis (COA).

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Need General Purpose Grade Silicone Sheet or Slit Rolls?

We supply continuous rolls, pre-cut sheets, and uncured compounds with low minimums and fast lead times.

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General Purpose Solid Silicone Sheets (30 to 80 Durometer)

Choose general purpose silicone sheet in these durometers (Shore A).

  • ESS30GP – 30 Durometer
  • ESS40GP – 40 Durometer
  • ESS50GP – 50 Durometer
  • ESS60GP – 60 Durometer
  • ESS70GP – 70 Durometer
  • ESS80GP – 80 Durometer

Standard Sheet Sizes & Roll Dimensions

Solid silicone sheet from ElastaPro is available in these sizes and roll dimensions.

Widths

  • Standard: 36″ (914 mm) and 48″ (1219 mm)
  • Custom: Up to 67″ (1701.8 mm) — among the widest available in the industry

Linear Lengths

  • Continuous rolls up to 300+ yards depending on thickness

Thickness Range

  • 0.005″ to 0.675″ (0.13 mm to 17.145 mm)

Cut Sheet Sizes

  • 12″ × 12″
  • 24″ × 24″
  • 36″ × 36″
  • 48″ × 48″
  • Custom dimensions available

General Purpose Silicone FAQs

What is general-purpose (GP) grade silicone, and when should it be used?

General-purpose (GP) grade silicone is a versatile, cost-effective silicone rubber formulated for standard, non-specialized industrial, commercial, and maintenance applications. It delivers a reliable balance of thermal stability, flexibility, electrical insulation, and weather resistance at an affordable price point. It is ideal for everyday sealing, gasketing, insulating, and cushioning tasks where specialized aerospace, medical, or extreme chemical compliance is not required.

What are the main industrial and manufacturing applications for general-purpose silicone?

In manufacturing and industrial environments, general-purpose silicone is converted into key components including:

  • Seals & Gaskets: Die-cut and extruded gaskets for industrial machinery, equipment enclosures, and motor vehicles.

  • Tubing & Extrusions: Custom extruded profiles and industrial fluid tubing.

  • Molded Parts: Complex custom-molded elastomeric components.

  • Electrical Insulation: Protective dielectric barrier sheets, wraps, and grommets.

How is general-purpose silicone used in building and construction?

Because of its exceptional resistance to outdoor weathering, UV radiation, and ozone, general-purpose silicone is widely used across construction applications, such as:

  • Joint & Perimeter Sealing: Weatherproof sealing around windows, doors, expansion joints, siding, trim, and gutters.

  • Structural Adhesives & Bonding: Securing substrates including glass, aluminum, UPVC, ceramics, and painted metals.

  • Penetration Sealing: Closing air and water gaps around utility pipes and electrical wiring.

  • Sanitary Environments: Formulated to resist mold and mildew growth in kitchens, bathrooms, and commercial washrooms.

What environmental hazards and conditions does general-purpose silicone resist?

General-purpose silicone maintains its structural integrity and flexibility when exposed to harsh environmental factors, including:

  • Water & Moisture: Creates long-lasting, watertight seals that resist degradation in wet or humid conditions.

  • UV & Ozone Exposure: Resists cracking, hardening, and chalking caused by prolonged sunlight and atmospheric ozone.

  • Thermal Stress: Delivers broad thermal stability across fluctuating hot and cold operational temperatures.

How does general-purpose silicone compare to specialized silicone grades?

General-purpose silicone provides a cost-effective solution for non-critical, standard operating environments. While it performs reliably for general industrial gasketing, weatherproofing, and electrical insulation, it is not intended to meet the stringent regulatory requirements of high-purity medical devices, extreme military/aerospace specifications (like MIL-SPEC or FAR 25.853), or specialized fuel and chemical immersion environments (which require fluorosilicone).

Can general-purpose silicone be easily fabricated and customized?

Yes. General-purpose silicone is easy to process and fabricate using standard converter methods. It can be extruded into continuous profiles, molded into complex shapes, or supplied as solid sheeting suitable for die-cutting, waterjet cutting, and factory application of pressure-sensitive adhesives (PSA).