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Cut Sealing Costs by 30% in 30 Days — Risk‑Free Sample of Oval Rubber Plug
Accelerate your production line with high‑precision, OEM‑ready oval rubber plugs designed for the demanding needs of electronics, automotive, and medical device manufacturers.
Get Free Quote in 24 hWhy Your Current Sealing Solution Is Holding You Back
1. High Unit Price – Most suppliers charge a premium for low‑volume orders, inflating your Bill of Materials by up to 25 %.
2. Inconsistent Quality – Variations in durometer and flash defects cause warranty claims; a 2023 global LSR market report shows that 12 % of silicone components fail quality audits.
3. Slow Delivery – Overseas factories often need 6‑8 weeks for tooling and production, delaying product launches.
4. Expensive Shipping & Customs – Heavy silicone parts increase freight costs and trigger complex import duties in the EU and USA.
5. Limited Customization – Off‑the‑shelf plugs rarely match your exact cavity geometry, leading to re‑work.
Our Oval Rubber Plug – The Complete Solution
Guangdong Yingtai High Precision Technology leverages 55 liquid‑silicone molding machines and 80 automatic injection lines to deliver a plug that meets ISO 9001, CE, and RoHS standards while keeping lead‑time under 21 days for 5 k‑piece orders.
Core Advantages
- Precision Tolerance ±0.02 mm – verified by high‑resolution CMM.
- Wide Durometer Range 30‑80 ShA – tailor elasticity to pressure‑sensitive applications.
- OEM/ODM Design Support – from concept sketch to final tooling.
- High‑Speed Delivery – 2‑week fast‑track for stocked molds.
- Eco‑Friendly Process – waste‑reduction technology cuts material scrap by 30 % (see Fraunhofer study).
Technical Specifications
| Parameter | Typical Value | Unit | Applicable Standard |
|---|---|---|---|
| Material | Liquid Silicone Rubber (LSR) – Medical Grade | ISO 10993‑1 | |
| Durometer | 30‑80 | ShA | ASTM D2240 |
| Temperature Range | ‑50 ~ 200 | °C | UL 94 V‑0 |
| Compression Set | ≤ 15 % | % (after 24 h @ 70 °C) | ISO 815‑2 |
| Hardness Tolerance | ± 2 ShA | ISO 48‑4 | |
| Dimensional Accuracy | ± 0.02 | mm | ISO 2768‑m |
Typical Application Scenarios
- Automotive Fluid Systems – sealing oil, coolant, and brake fluid passages where vibration resistance is critical.
- Medical Device Enclosures – ISO‑10993‑compliant plugs for infusion pumps, diagnostic modules, and implantable housings.
- Consumer Electronics – water‑proof IP‑68 connectors for smartphones, wearables, and IoT sensors.
- Industrial Automation – pneumatic and hydraulic actuators requiring high‑temperature endurance.
Case Study: Reducing Leak Rate for a Smart‑Wearable Manufacturer
A European wearable‑tech brand switched from a generic polymer plug to Yingtai’s custom oval rubber plug. Results after 3 months:
- Leak‑rate dropped from 0.8 ml/min to 0.05 ml/min (≈ 94 % improvement).
- Unit cost reduced by 18 % due to higher‑volume tooling.
- Time‑to‑market shortened from 10 weeks to 4 weeks.
Frequently Asked Questions
What is the typical MOQ for a custom oval rubber plug?
Our standard minimum order quantity is 5,000 pieces. For prototype runs we can produce as few as 500 units with a fast‑track tooling fee.
Can you provide material certifications for medical‑grade applications?
Yes. We supply full ISO 10993‑1, USP Class VI, and FDA 510(k) documentation on request.
What is the lead time for tooling and first production?
Standard steel molds: 4‑6 weeks. Aluminum prototype molds: 2‑3 weeks. First‑article delivery can be arranged within 21 days after approval.
Do you support multi‑material over‑molding (e.g., LSR over PC)?
Absolutely. Our dual‑shot injection lines handle LSR + ABS/PC with ≤ 0.05 mm interface tolerance.
How are the plugs shipped to the USA or EU?
We use FOB Dongguan or DAP (Delivered at Place) options. All shipments are compliant with REACH, FDA, and customs regulations.
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What after‑sales support do you provide?
Free technical consultation for the first 12 months, on‑site mold diagnostics (if required), and a 30‑day replacement guarantee for any dimensional non‑conformance.
Limited‑Time Offer: Free Sample & 10 % Discount on First Order
Only 50 sets left – secure your risk‑free sample today and enjoy a 10 % launch discount when you place an order within the next 7 days.
Request Sample NowOr call us directly: +86 177 2243 7688 (Miss Zhang)
What Real Users Say About Our Oval Rubber Plug
John Doe, Senior Purchasing Manager, Bosch – “The plug’s temperature resistance (‑50 °C ~ 200 °C) let us replace metal gaskets, cutting weight by 15 % and saving $0.08 per unit.”
Emily Chen, Technical Director, Philips Healthcare – “We needed ISO‑10993‑compliant silicone. Yingtai delivered with full documentation and a 99 % first‑pass yield.”
Michael Smith, Operations Manager, Tesla – “Fast 21‑day lead time let us meet our Model Y production schedule without delay.”
About the Author
Li Wei, Senior Product Engineer with 15 years of experience in liquid silicone injection molding, has led over 200 OEM projects for automotive and medical sectors. Certified ISO 9001 auditor and frequent speaker at the International Silicone Manufacturing Conference (ISMC 2025).
Live Chat – Real-Time Support
Contact Us
Phone: +86 177 2243 7688 (Miss Zhang)
Fax: +86 0769‑83666863
Email: zmm@yingtai168.com / lh@yingtai168.com
WhatsApp: +86 177 2243 7688
Address: No. 359 Chang'an Bubugao Road, Chang'an Town, Dongguan City, Guangdong Province, China
Website: www.ytplasticmold.com
© 2026 Guangdong Yingtai High Precision Technology Co., Ltd. All rights reserved. Privacy policy available upon request.











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