Red Silicone O Rings
Buy more, save more! Buy in bulk to unlock huge savings.
-
BS037 Red Silicone O Ring - 63.22mm ID x 1.78mm C/S (66.78mm OD)
Regular price £2.30Regular priceUnit price / perSale price £2.30 -
BS812 Red Silicone O Ring - 20.63mm ID x 2.62mm C/S (25.87mmOD)
Regular price £1.50Regular priceUnit price / perSale price £1.50 -
BS610 Red Silicone O Ring. Choose Quantity. New. 6.75mm ID x 1.78mm C/S.
Regular price £1.68Regular priceUnit price / perSale price £1.68 -
22mm ID x 3mm C/S Red Silicone O Ring. Choose Quantity. 22x3. New. Metric.
Regular price £1.93Regular priceUnit price / perSale price £1.93 -
BS033 Red Silicone O Ring. 50.52mm ID x 1.78mm C/S. Choose Quantity. New.
Regular price £1.68Regular priceUnit price / perSale price £1.68 -
BS232 Red Silicone O Ring. 69.44mm ID x 3.53mm C/S. Choose Quantity. New.
Regular price £1.68Regular priceUnit price / perSale price £1.68 -
18mm ID x 5mm C/S Red Silicone O Ring. 18x5. Choose Quantity. New. Metric.
Regular price £2.42Regular priceUnit price / perSale price £2.42 -
8mm ID x 3mm C/S Red Silicone O Ring. Choose Quantity. 8x3. New. Metric.
Regular price £1.54Regular priceUnit price / perSale price £1.54 -
30mm ID x 2mm C/S Red Silicone O Ring. Choose Quantity. 30x2. New. Metric.
Regular price £1.93Regular priceUnit price / perSale price £1.93 -
BS155 Red Silicone O Ring. 101.28mm ID x 2.62mm C/S. Choose Quantity. New.
Regular price £2.25Regular priceUnit price / perSale price £2.25 -
28mm ID x 4mm C/S Red Silicone O Ring. Choose Quantity. 28x4 . New. Metric.
Regular price £1.93Regular priceUnit price / perSale price £1.93 -
35mm ID x 3mm C/S Red Silicone O Ring. Choose Quantity. 35x3. New. Metric.
Regular price £1.98Regular priceUnit price / perSale price £1.98
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 SealWithSelo?
- No minimum order quantity – even for silicone!
- Every O-ring individually packed and measured
- Friendly support & fast UK dispatch