Custom Silicone Snap Hole Sealing Plugs for Sheet Metal Processing

Custom Silicone Snap Hole Sealing Plugs for Sheet Metal Processing are engineered and moulded in-house by Dongguan Yunze Silicone Products Co., Ltd. Manufactured from 100% platinum-cured silicone rubber with 50°A Shore A hardness and temperature range of -40°C to +250°C (-40°F to +482°F), these custom silicone plugs are designed for demanding industrial applications involving heat, chemical exposure, and repeated assembly cycles. Every batch is produced under ISO 9001:2015 quality system with 100% material inspection and secondary curing to eliminate odour and volatile residue.

• Working temperature -40°C to +250°C / -40°F to +482°F - suited to ovens, curing lines, engine bays and sterilisation equipment
• 50°A Shore A compound for reliable, repeatable seal and easy installation
• Platinum cure: non-toxic, odourless, non-yellowing, low compression set
• Custom colour (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

• Powder coating, E-coating, anodising and electroplating masking lines
• Automotive body, chassis and wheel painting and shot blasting
• Hydraulic and pneumatic port, thread and bore protection during transit
• Electronics, PCB and sheet metal processing masking
• Autoclave, composite and rubber curing

• 5,000+ m2 manufacturing base in Xiegang Town, Dongguan, Guangdong - 26+ years of silicone and rubber expertise
• In-house CNC & EDM mould workshop, LSR injection and hydraulic vacuum compression presses (51-100 skilled staff, 10+ R&D/QC engineers)
• Compliance: ISO 9001:2015, FDA 21 CFR 177.2600, LFGB, RoHS, REACH - test reports supplied with each shipment
• Flexible MOQ: 200 Pcs for YZ-PLUG-021; 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, the Middle East and Southeast Asia

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