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.
| Product SKU | YZ-STR-143 |
| Product Name | Silicone D Shape Door Seal for Cold Storage Room Doors |
| Category | Silicone Strips & Profiles / D Shape Door Seal |
| Material | 100% Platinum Cure Silicone Rubber (LSR / HCR) |
| Hardness | 45°A Shore A |
| Temperature Range | -40°C to +250°C / -40°F to +482°F |
| Size / Specification | 18x12 - 35x18 mm |
| Colour | Black / White / Red / Translucent / Custom Pantone (MOQ applies) |
| Surface | Smooth, burr-free, secondary cured, odourless |
| Density | 1.10 - 1.25 g/cm3 |
| Tensile Strength | ≥ 6.5 MPa |
| Elongation at Break | ≥ 350% |
| Tear Strength | ≥ 20 kN/m |
| Compression Set | ≤ 25% (22h @ 175°C, ASTM D395) |
| Tolerance | ±0.05 mm (moulded) / ±0.1 mm (extruded) |
| Production Process | Compression Moulding / Liquid Injection Moulding / Extrusion |
| Certification | ISO 9001:2015, FDA 21 CFR 177.2600, LFGB, RoHS, REACH |
| MOQ | 300 Pcs |
| Unit Price (FOB Shenzhen) | USD $0.16 - $0.85 / Piece |
| Lead Time | 3-5 Days for Samples, 7-12 Days for Mass Production |
- 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.
Send your 2D/3D drawing (STP/IGS/PDF), target dimensions, hardness, color and annual volume. Our engineering team provides DFM review and quotation within 2 hours (working days).
Send inquiry to Dongguan Yunze Silicone Products Co., Ltd.
Response time ≤ 2 hours | Free samples available
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