Silicone Heat Shrink Sleeve for Wire Insulation High Temperature Heat Resistant

Engineered and moulded in-house by Dongguan Yunze Silicone Products Co., Ltd., this silicone heat shrink sleeve is manufactured from 100% platinum-cured silicone rubber. Designed for demanding industrial applications where heat, chemical exposure, and repeated assembly cycles are routine, every batch undergoes 100% material inspection and secondary curing to eliminate odour and volatile residue under ISO 9001:2015 quality standards.

• Working temperature -40°C to +250°C / -40°F to +482°F - ideal for ovens, curing lines, engine bays and sterilization equipment
• 50°A Shore A compound for reliable, repeatable seal and easy installation
• Platinum cure: non-toxic, odourless, 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

• Food and beverage filling, dispensing and transfer lines
• Peristaltic pumps and laboratory dosing equipment
• Automotive cooling, charge air, vacuum and turbo systems
• High temperature hot air, oven exhaust and ducting
• Cable harness sleeving, insulation and thermal protection

• 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: 500 Pcs for YZ-TUB-166; 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, colour 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.

Supported with 3D drawing (STP/IGS/PDF) or physical sample. Free stock samples available; tooling samples delivered in 3-5 days.