High-Performance EPDM Bonded Sealing Washers & Conductive Washers
UTA is a trusted manufacturer of bonded sealing washers and conductive sealing solutions with over 20 years of industry experience. Our products combine high-strength metal materials with premium EPDM rubber, delivering reliable fastening, waterproofing, dustproofing, and leak-proof performance for industrial, commercial, and residential applications.
Why Choose UTA Bonded Sealing Washers
Certified Quality
Manufactured under ISO 9001 and CE standards to ensure full compliance with global quality requirements.
Comprehensive Product Line
We supply a full range of sealing components, including EPDM bonded sealing washers, conductive bonded washers, umbrella washers, oil seals, sliced washers, metal and rubber cup washers, toothed washers, and plastic washers—meeting diverse industrial needs.
Superior Sealing & Weather Resistance
Our bonded washers use high-grade EPDM rubber with excellent ozone resistance, weather resistance, and long-term outdoor durability. They maintain stable sealing under high/low temperatures and harsh environmental exposure.
High Performance & Reliability
- Long service life and low failure rate
- Metal material options include Z12, Z27, AL, GAL, 304, and 316 stainless steel
- Rubber hardness range: 55–85 Shore A
- Operating temperature: -40°C to +150°C (material resistance 150–220°C)
- Excellent electrical conductivity (
- Anti-vibration conical structure offering 360° uniform contact, 85% vibration absorption, and 40% increased contact area
Fast Delivery & Strong Supply Chain
Large inventory and streamlined logistics allow standard products to ship within 7 days.
Full Customization (OEM/ODM)
Custom dimensions, materials, conductive/insulated options, and performance specifications available on request.
Applications of Bonded Sealing Washers
Construction & Roofing
Ensures watertight and leak-proof fastening for wood screws, self-drilling screws, and self-tapping screws in roofing, siding, and structural installations.
Solar Energy Systems
Provides weather-resistant sealing for long-term outdoor solar panel mounting.
Automotive & Aerospace
Supports vibration resistance, sealing stability, and protective performance in demanding mechanical environments.
Industrial Machinery & Equipment
Suitable for high-pressure and high-temperature sealing in machinery, automation systems, and general industrial assembly.
Electronics & Energy
Conductive and insulated bonded washers support grounding, EMI shielding, and static-control applications.
Trusted by Global Manufacturers
- 20+ years of engineering and manufacturing expertise
- 100+ OEM/ODM partners worldwide
- 1,000+ successful application cases across industries
- 24/7 technical support and complete after-sales service
EPDM Bonded Sealing Washers Suppliers, Conductive Washers
Sealed Washer
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EPDM Bonded Washer -
M-Type Bonded Washer -
Bowl Washer -
Oil Seal -
Cut EPDM Washer -
Cup Washer -
Vulcanizing Strip -
Rubber Pad
Lock Washer
Frequently Asked Questions
Q: What materials are used in your bonded sealing washers?
A: We use premium EPDM rubber combined with Z12, Z27, AL, GAL, 304, and 316 stainless steel, as well as conductive alloy options to ensure durability and performance.
Q: Do you provide conductive bonded washers?
A: Yes. We offer conductive EPDM bonded washers designed for grounding and electronic applications, along with insulated cut-washer options.
Q: Can I request custom specifications?
A: Absolutely. UTA supports full OEM/ODM customization, including size, materials, and functional requirements.
Q: What is your delivery time?
A: Standard bonded sealing washer models can be shipped within 7 days thanks to our stable supply chain and large inventory.
Partner with UTA
UTA combines certified quality, strong sealing performance, and reliable delivery to provide high-performance bonded sealing washer solutions for every industrial need. Whether you require standard EPDM bonded washers or customized conductive designs, UTA is your trusted long-term partner.
