Silicone O-Ring for Water Heater and Sanitary Fittings High Temperature Heat Resistant

This silicone O-ring is engineered and moulded in-house by Dongguan Yunze Silicone Products Co., Ltd. Manufactured from 100% platinum-cured silicone rubber with a temperature range of -40°C to +250°C (-40°F to +482°F), this metric O-ring is designed for demanding industrial applications where heat, chemical exposure, and repeated assembly cycles are routine. Every batch is produced under an ISO 9001:2015 quality system with 100% material inspection and secondary curing to eliminate odor and volatile residue.

• Working temperature -40°C to +250°C / -40°F to +482°F - suited to ovens, curing lines, engine bays and sterilization equipment
• 70°A Shore A compound for reliable, repeatable seal and easy installation
• Platinum cure: non-toxic, odorless, non-yellowing, low compression set
• Custom color (Pantone matching), hardness 20-80 Shore A, and logo debossing available
• Mould tooling developed in-house - 3D printing to CNC/EDM steel mould in 3-5 days

• Hydraulic and pneumatic valve, pump and fitting static seals
• Food, beverage, dairy and pharmaceutical process equipment
• Sterilization, oven and high temperature process sealing
• Lamp, driver, enclosure and electronics IP sealing
• Flange, tri-clamp and vessel gasket sealing

• 5,000+ m² manufacturing base in Xiegang Town, Dongguan with 26+ years of silicone and rubber expertise
• In-house capabilities: CNC & EDM mould workshop, LSR injection and hydraulic vacuum compression presses
• Compliance: ISO 9001:2015, FDA 21 CFR 177.2600, LFGB, RoHS, REACH - test reports supplied with each shipment
• Flexible MOQ: 1,000 Pcs for YZ-ORK-088; lower trial quantities for stock items
• Fast lead time: 3-5 Days for Samples, 7-12 Days for Mass Production
• Export experience: US$50M+ annual export sales across North America, Europe, Middle East and Southeast Asia

PE bag + export carton; custom logo bag, color box, blister or display tray available. FOB Shenzhen / Guangzhou / Ningbo; door-to-door DDP, air and sea freight supported. Trade Assurance provides 100% product quality and on-time shipment protection.