Silicone D Shape Door Seal for Cold Storage Room Doors High Temperature Heat Resistant

Engineered and moulded in-house by Dongguan Yunze Silicone Products Co., Ltd., this silicone D shape door seal is manufactured from 100% platinum-cured silicone rubber (45°A Shore A, -40°C to +250°C / -40°F to +482°F). Designed for demanding industrial applications involving heat, chemical exposure, and repeated assembly cycles. Every batch undergoes 100% material inspection and secondary curing to eliminate odour and volatile residue under ISO 9001:2015 quality standards.

• Wide working temperature range (-40°C to +250°C) suitable for ovens, curing lines, engine bays, and sterilization equipment
• 45°A Shore A compound ensures reliable, repeatable sealing and easy installation
• Platinum cure formulation: non-toxic, odourless, non-yellowing, with low compression set
• Custom color (Pantone matching), hardness (20-80 Shore A), and logo debossing available
• In-house mould tooling development with 3D printing to CNC/EDM steel mould in 3-5 days

• Industrial and clean room door, window, and hatch sealing
• Cold storage, container, and cabinet gasket replacement
• Vibration damping and anti-collision protection on machine frames
• Electrical and electronic enclosure weather sealing
• Water pipeline, HVAC, and general weather stripping

• 5,000+ m² manufacturing base in Xiegang Town, Dongguan with 26+ years of silicone expertise
• In-house capabilities: CNC & EDM mould workshop, LSR injection, hydraulic vacuum compression presses
• Compliance: ISO 9001:2015, FDA 21 CFR 177.2600, LFGB, RoHS, REACH - test reports included
• Flexible MOQ: 300 Pcs for YZ-STR-143; 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 global markets

Standard packing includes 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 with Trade Assurance protection.