Insights & Guides
Engineering knowledge and sourcing strategy from inside a silicone factory — written for buyers and design engineers.
Why Source LSR from Xiangchu Rubber in China? A Buyer's Due-Diligence Checklist
What separates a five-year silicone partner from a two-year quote: engineering depth, cleanroom control, verifiable registration and documentation-first sourcing.
Inside Xiangchu Rubber: Company Background, Professional Depth and the Churub Brand
A transparent look at our legal entity, equipment decisions, quality system — and what our registered Churub trademarks mean for buyers.
What You Get When You Choose Churub: Professional Services Across LSR Molding and Overmolding
From DFM review and in-house tooling to primer-free bonding validation and export documentation — the full service scope behind our liquid silicone parts.
LSR Injection vs Compression Molding: Which Process Fits Your Part?
Material cost, tooling investment, cycle time and part precision compared — a practical decision framework from a manufacturer who runs both.
Why Some Silicone Overmolds Peel Apart — and How Primer-Free Bonding Works
Chemistry, surface preparation and thermal management: the three reasons silicone-to-metal bonds fail, and how we prevent them.