Silicone O-Rings
Silicone O-rings for reliable leak-proof sealing across pharmaceutical, food, medical, and industrial equipment.
By quote — pricing on enquiry
- Material
- Platinum-cured or peroxide-cured silicone
- Service temperature
- −60 °C to +260 °C
- Compliance
- FDA, USP Class VI
- Category
- Seals & Gaskets
Product information
Makvin Polymer manufactures high-quality silicone O-rings for reliable sealing across a wide range of industries. Made from premium-grade platinum-cured or peroxide-cured silicone, they are valued for flexibility, chemical resistance, and wide temperature stability. Available in standard and custom sizes, they ensure leak-proof performance in both static and dynamic sealing applications.
Key features
- Wide temperature range — performs from −60 °C to +260 °C
- Excellent flexibility — maintains sealing integrity under compression and expansion
- Chemical resistance — withstands oils, solvents, and cleaning agents
- FDA and USP Class VI compliant — suitable for food, pharma, and biotech industries
- Custom sizes and hardness — standard AS568 sizes or tailor-made to order
Why Choose Makvin Polymer Silicone O-Rings?
- Manufactured with precision molding and extrusion for uniform dimensions.
- Available in platinum-cured high-purity grades for critical industries.
- Fast turnaround with in-house tooling and custom design capabilities.
- Trusted across industries for reliable sealing performance under demanding conditions.
| Service temperature | −60 °C to +260 °C |
|---|---|
| Material | Platinum-cured or peroxide-cured silicone |
| Sizes | AS568 standard or custom |
| Compliance | FDA, USP Class VI |
| Category | Seals & Gaskets |
| Pricing | By quote — made to order |
| Availability | Made to order; stocked lines dispatched from inventory |
Values are for standard silicone grades as published by Makvin Polymer. Exact dimensions, tolerance, durometer and compliance are confirmed against your specification at quotation.
- Pharmaceutical & Biotech – Sealing in fluid transfer systems, filters, and dryers.
- Food & Beverage – Hygienic sealing for mixers, filling machines, and storage vessels.
- Medical Equipment – Used in pumps, valves, and diagnostic devices.
- Industrial Machinery – Provides leak-proof sealing in hydraulic and pneumatic systems.
- Electrical & Electronics – Protects against dust, moisture, and contamination.
Datasheets, material declarations (FDA / USP Class VI), RoHS/REACH statements and dimensional drawings for this product are issued on request with your quotation.
Request documentationPlatinum-cured silicone is addition-cured — odourless, low in extractables and preferred for medical, pharmaceutical and high-purity food contact. Peroxide-cured silicone is a robust, cost-effective choice for industrial and non-critical transfer. We supply both and will advise the right grade for your process.
Yes. Most items are produced to your drawing — bore/OD, wall, length, cross-section, durometer and colour. Send dimensions with your quote request.
Depending on the grade selected: FDA 21 CFR 177.2600, USP Class VI, ISO 10993, EU 1935/2004 food-contact, RoHS and REACH statements, plus batch material certificates and dimensional reports.
Sampling quantities are available for evaluation. Production MOQ depends on the profile/tool; we confirm it with the quotation.
Stocked lines ship within a few working days. Custom extrusions and moulded parts are typically confirmed per order after drawing sign-off.
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