What is EPDM Rubber Sheet?
Material overview
EPDM (Ethylene-Propylene-Diene Monomer) is a saturated-backbone synthetic rubber formulated for superior resistance to ozone, UV, weathering and steam. It remains flexible at cold temperatures and performs reliably in outdoor and hot-water environments.
EPDM Rubber Sheet (Ethylene-Propylene-Diene Monomer) is a durable, weather-resistant elastomeric sheeting ideal for outdoor gaskets, roofing seals, steam washers and potable-water applications. Available in a range of durometers and food-grade / NSF / FDA options, our EPDM sheets resist ozone, UV, steam and hot water while remaining flexible at low temperatures — designed for long service life in harsh environments.
Typical supply forms
Sheets, rolls and cut-to-size panels; available in black (standard) and white/food-grade variants for hygienic use.
Key technical highlights
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Temperature & service range: typical continuous service up to +150°C (302°F) and down to -40°C to -50°C depending on grade.
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Outstanding ozone/UV & weather resistance — preferred for roofing, exterior seals and outdoor gasketing.
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Excellent steam & hot water resistance — widely used in steam washers and kettle seals.
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Poor resistance to petroleum fuels & many hydrocarbons — choose NBR/Viton for fuel exposure.
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Food-grade / potable-water grades available (FDA/NSF/WRAS options) for hygienic applications.
Why choose our EPDM sheets?
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Long outdoor lifetime — proven resistance to ozone, sunlight and weathering reduces replacement cycles.
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Stable under steam/hot water — ideal for steam traps, boilers and hot-water sealing.
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Flexible at low temperature — reduced cracking or brittle failure in cold climates.
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Multiple compliance grades — FDA / NSF / potable water grades available for food & beverage or municipal applications.
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Custom services — die-cut gaskets, CNC, bonded fabric backing, laminated or reinforced sheets.
Common applications
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Roofing membranes, flashings, and weather seals.
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HVAC gasketing, electrical enclosure seals and window channels.
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Steam washers, boiler seals, hot-water gaskets and sanitary valves.
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Potable water seals, food processing gaskets (use certified grades).
Technical specifications
| Attribute | Typical value / range |
|---|---|
| Material | EPDM (Ethylene-Propylene-Diene Monomer) |
| Hardness (Shore A) | 30A – 90A (commonly 40A, 60A). |
| Thickness | 0.5 mm – 12 mm (custom available) |
| Standard sheet sizes | 36″×36″, 48″×48″, 60″×60″; metric equivalents common. |
| Temperature range | −40°C – 150°C (grade dependent). |
| Color | Black (standard), white (food-grade) |
| Certifications | FDA (21 CFR 177.2600) / NSF / WRAS / ISO on request. |
Typical sizes & formats
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Sheets: 36″×36″, 36″×48″, 48″×48″, 60″×60″ (also 1000×1000 mm, 1524×1524 mm).
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Rolls: widths 36″ / 48″ with customer lengths.
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Thicknesses: 1/32″, 1/16″, 1/8″, 3/16″, 1/4″ and up to 12 mm — custom skiving and laminating available.
Advantages vs other common elastomers
| Property / Use | EPDM | Nitrile (NBR) | Neoprene (CR) | Silicone (VMQ) | FKM (Viton) |
|---|---|---|---|---|---|
| Weather / ozone / UV | Excellent. | Poor | Good | Good | Very good |
| Steam / hot water | Excellent. | Fair | Good | Fair | Good |
| Oil / fuel resistance | Poor — avoid hydrocarbons. | Excellent | Good | Poor | Excellent |
| Low temp flexibility | Very good (to −40/−50°C). | Good | Good | Excellent | Good |
| Food / potable grades | Available (FDA/NSF). | Available (select) | Available | Available | Limited/expensive |
FAQ
Q: What is your MOQ (minimum order quantity)?
A: Stock EPDM sheets can be ordered from 1 sheet or 1 roll. Custom compounds, white food-grade batches or laminated products may have MOQs (typical example: 100–500 kg); confirm at quote. (Replace with your company policy.)
Q: How long is lead time?
A: Stock items & samples: 3–7 business days. Custom compounds, color or laminated runs: 2–4 weeks. Expedited sample service (24–72h) available for qualifying customers.
Q: How do you ship samples and bulk orders?
A: Samples: DHL/UPS/FedEx. Bulk: palletized by road, LCL or FCL. Export documentation provided (COO, commercial invoice, packing list). FOB / CIF / EXW available on request.
Q: Do you supply food-grade / potable water EPDM?
A: Yes — we offer EPDM compounds meeting FDA 21 CFR and NSF/WRAS standards where required; certificates provided per batch.
Q: Can you die-cut gaskets or supply bonded/laminated sheets?
A: Yes — die-cut, CNC, waterjet, bonded fabric backings and custom laminates available. Upload CAD/DXF for quoting.
Q: What chemicals damage EPDM?
A: EPDM is poor against most petroleum oils, gasoline, and hydrocarbon solvents — for those use NBR or FKM. For other chemicals consult the chemical compatibility chart or our engineers.
Q: How should EPDM sheets be stored?
A: Store flat, in a cool dry area, away from direct sunlight, ozone generators and petrol fumes. Keep original packaging sealed.
Q: Can you provide test reports with orders?
A: Yes — TDS and MSDS are standard; tensile, compression set and additional third-party reports available on request (extra cost/time may apply).
