Silicone O Ring Set

Eliminate leaks, reduce downtime, and secure your supply chain – ideal for Purchasing Managers, Technical Directors, and Operations Leaders. Purchasing teams across the USA and Europe keep hearing the same complaints: According to the

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High‑Performance Silicone O‑Ring Set – Faster Delivery, Lower Cost, Zero‑Risk Sample

Eliminate leaks, reduce downtime, and secure your supply chain – ideal for Purchasing Managers, Technical Directors, and Operations Leaders.

Get Free Quote in 24 h

Why Your Current Sealing Solution Is Costing You More

Purchasing teams across the USA and Europe keep hearing the same complaints:

High Price – OEM‑priced O‑rings can be up to 30 % more expensive than bulk‑order silicone sets.
Inconsistent Quality – Variations in durometer or tear strength lead to premature failures, especially in automotive and medical devices.
Slow Delivery – Overseas shipping adds 2‑4 weeks of lead time, jeopardizing production schedules.
Limited Customization – Standard sizes don’t fit unique housing designs, forcing costly redesigns.
Regulatory Risks – Missing CE, FDA, or ISO certifications can halt product launches.

According to the Grand View Research LSR market report (2023), the global silicone market will reach USD 4.97 billion by 2030, driven by demand for reliable seals. Yet 30 % of buyers still report supply‑chain bottlenecks.

Discover how our silicone O‑ring set solves these issues →

Your All‑In‑One Silicone O‑Ring Set Solution

Our silicone o ring set combines precision‑engineered dimensions, premium LSR material, and flexible OEM/ODM design options—all backed by a 100 % quality‑assurance guarantee.

Core Advantages

Ultra‑Low Leakage – ASTM D1414 compliant, 0.02 % volume loss after 10 000 cycles.
Wide Temperature Range – –60 °C to +200 °C, ideal for automotive under‑hood and medical sterilization.
Custom Durometer – 30 A to 80 A (Shore A) to match any sealing force requirement.
Rapid Lead‑Time – In‑stock molds, 5‑day shipping from Dongguan to the EU/US.
Full Certification – CE, FDA, ISO 9001, RoHS, and GS compliance (see certificates below).

Technical Specifications

Parameter	Standard Size (Metric)	Custom Size Range	Material Grade	Certification
Inner Diameter (ID)	2 mm – 100 mm	1 mm – 150 mm	LSR‑Medical (ISO 10993‑1)	ISO 9001, FDA
Cross‑Section (CS)	0.5 mm – 5 mm	0.3 mm – 10 mm	LSR‑Industrial (ISO 1817)	CE, RoHS
Hardness (Shore A)	30 A – 80 A	10 A – 90 A	Silicone‑Standard	GS, VDE
Operating Temp.	–60 °C to +200 °C	–80 °C to +250 °C (special grade)	Heat‑Resistant LSR	ISO 13485 (Medical)
Tensile Strength	≥ 3 MPa	≥ 2 MPa (custom)	High‑Elongation LSR	ISO 10993‑5 (Cytotoxicity)

Application Scenarios & Case Studies

Automotive HVAC – A European OEM reduced warranty claims by 22 % after switching to our high‑temperature silicone O‑rings (200 °C rating).

Medical Device Sterilization – A US‑based surgical instrument maker achieved 100 % pass rate in 121 °C steam cycles using our FDA‑certified LSR set.

Consumer Electronics – A leading smartwatch brand cut assembly time by 15 seconds per unit thanks to our pre‑toleranced, low‑compression‑set O‑rings.

Request a Sample Kit Now

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Frequently Asked Questions

What is the minimum order quantity (MOQ) for a custom silicone O‑ring set?

Our standard MOQ is 500 pcs per size. For OEM/ODM projects we can start from 200 pcs with a surcharge for low‑volume tooling.

Are your O‑rings suitable for food‑contact applications?

Yes. We offer FDA‑US & EU Food‑Contact Grade LSR that complies with 21 CFR 177.2600 and EU Regulation 10/2011. Certification documents are provided on request.

China Food Safe Liquid Silicone Supplier

How do you ensure dimensional consistency across large batches?

We employ in‑process laser scanning and statistical process control (SPC). Our 2023 audit showed a ±0.02 mm tolerance on 100 mm ID rings.

What logistics options are available for international shipments?

We partner with DHL, UPS, and local freight forwarders. Options include air freight (3‑5 days) or sea freight (15‑22 days). All shipments include insurance and customs documentation.

Do you provide after‑sales technical support?

Yes. Our 24/7 technical hotline (WhatsApp +86 17722437688) and dedicated application engineers can assist with installation, performance testing, and redesign.

Still have questions? Contact our experts now →

Limited‑Time Offer: Free Sample Kit + 10 % Discount on First Order

Only 150 kits left – each includes 5 standard sizes and a custom‑size voucher.

Risk‑Free: If the sample fails any of your internal tests, we’ll issue a full refund and cover return shipping.

Request Free Sample

Or call +86 177 2243 7688 (WhatsApp) for instant assistance.

What Our Clients Say

Mark T., Procurement Lead – Siemens: “The silicone O‑ring set arrived in 4 days, passed all ISO tests, and saved us $12 k on tooling.”
Aisha R., Operations Manager – Philips: “We needed a durometer of 55 A for a new ventilator; Yingtai delivered exact spec on the first run.”
David L., Technical Director – Bosch: “Their 24‑hour quote system cut our sourcing cycle from 3 weeks to 2 days.”

About the Author

Emily Chen, Ph.D. – Senior Materials Engineer with 15 years of LSR injection‑molding experience at leading automotive and medical OEMs. Former head of R&D at a Tier‑1 seal supplier, author of 12 peer‑reviewed papers on silicone rheology, and regular speaker at the International Silicone Conference 2025. Currently leads the Technical Consulting Team at Guangdong Yingtai High Precision Technology Co., Ltd.