20mm ID x 2.5mm C/S (25mm OD) Red Silicone O Ring
£0.06 – £0.80 / each
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each
total
60 in stock, ready for shipping today.
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Red Silicone O Rings
135 products
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16mm ID x 2.5mm C/S (21mm OD) Red Silicone O Ring
£0.05 – £0.75 / each
Waseach totalView specification202 in stock, ready for shipping today.
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BS007 Red Silicone O-Ring - 3.68mm ID x 1.78mm C/S (7.24mm OD)
£0.75 / each
Waseach totalView specification13614 in stock, ready for shipping today.
BS006 Red Silicone O-Ring - 2.90mm ID x 1.78mm C/S (6.46mm OD)
£0.75 / each
Waseach totalView specification18087 in stock, ready for shipping today.
BS012 Red Silicone O Ring - 9.25mm ID x 1.78mm C/S (12.81mm OD)
£0.02 – £0.56 / each
Waseach totalView specification4991 in stock, ready for shipping today.
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BS611 Red Silicone O Ring - 8.73mm ID x 1.78mm C/S (12.29mm OD)
£0.08 – £1.00 / each
Waseach totalView specificationOut of stock.
BS812 Red Silicone O Ring - 20.63mm ID x 2.62mm C/S (25.87mm OD)
£0.20 – £1.50 / each
Waseach totalView specificationOut of stock.
17mm ID x 2.5mm C/S (22mm OD) Red Silicone O Ring
£0.06 – £0.80 / each
Waseach totalView specification67 in stock, ready for shipping today.
Add 4 more and save 25.0%.
30mm ID x 3mm C/S (36mm OD) Red Silicone O Ring
£0.16 – £1.58 / each
Waseach totalView specification270 in stock, ready for shipping today.
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12mm ID x 1.5mm C/S (15mm OD) Red Silicone O Ring
£0.03 – £1.00 / each
Waseach totalView specification1637 in stock, ready for shipping today.
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16mm ID x 1mm C/S (18mm OD) Red Silicone O Ring
£0.05 – £0.75 / each
Waseach totalView specification807 in stock, ready for shipping today.
Add 4 more and save 33.0%.
9mm ID x 2mm C/S (13mm OD) Red Silicone O Ring
£0.02 – £0.50 / each
Waseach totalView specification823 in stock, ready for shipping today.
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About Red Silicone O Rings
Red Silicone O-Rings – High Temp & Food Contact Sealing
Our red silicone o rings are perfect for high-temperature, low-temperature, and food-safe sealing applications. With a wide operating range and excellent flexibility, they’re ideal in both domestic and industrial environments.
Features of Silicone O Rings
- Wide temperature range: –50 °C to +200 °C
- Food & beverage safe (non-toxic, tasteless)
- Steam, ozone & weather resistant
- Soft & flexible – ideal for fragile fittings or brittle plastics
Common Uses
- Espresso machines, ovens & food processing equipment
- Water filtration & home brewing systems
- Steam pipes & autoclaves
- Electronics & lighting gaskets
Sizes & Options
- Metric and BS series o rings available in red silicone
- Standard hardness: 60–70 Shore A
- Need a specific size or colour? Contact us – we may already have it
Silicone vs EPDM vs Nitrile – Quick Comparison
| Feature | Silicone | EPDM | NBR (Nitrile) |
|---|---|---|---|
| Temp Range | –50 °C to +200 °C | –45 °C to +150 °C | –40 °C to +120 °C |
| Water Resistance | Good | Excellent | Good |
| Oil Resistance | Poor | Poor | Good |
| Food Safe | Yes | Some grades | No |
| Flexibility | Excellent | Good | Good |
Why Buy from Selo?
- No minimum order quantity – even for silicone!
- Every O-ring individually packed and measured
- Friendly support & fast UK dispatch
Contact us
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