How to Choose Between Liquid Silicone Rubber and Solid Silicone Rubber? A Guide to LSR and HCR Molding
液态硅胶（LSR）与固态硅胶（HCR）并非简单的优劣关系。项目应从结构、产量、精度、外观和认证要求出发，选择稳 […]
Read the article →Chengxin Silicone Rubber · Engineering and application insights
Molding, Tooling & Finishing
Check trials, cavities, filling, venting, inserts, demolding, trimming and post-curing. Validate conditions for the actual compound and equipment; these notes are not factory-capability guarantees.
Browse by engineering question
Read the technical guidance, or discuss your drawings and operating conditions with us.
Submit Customization Request →
Silicone Injection Molding Yield Improvement: How to Reduce Air Bubbles, Gum Chips and Flying Edges
Injection molding (especially LSR) aims for “dimensional stability + consistent appearance + high yield.” This article focuses on three major challenges—air bubbles, short shots, and flash—and provides […]
Read the article →
How to reduce the cost of small batch and multi-species: Silicone parts mold modularity and rapid mold change practice
小批量多品种的难点在于：模具摊销高、切换成本高、质量一致性难。本文介绍模具模块化与快速换模的思路，帮助在成本、 […]
Read the article →
Seal Life Improvement Program: Material Formulation, Surface Treatment and Assembly Lubrication Selection
Seal life enhancement is not a single material upgrade, but a systematic and synergistic optimization of "material system, surface treatment, assembly process and verification strategy". This paper combines the actual project [...]
Read the article →
Factory Capability: Compression Molding/Injection/Secondary Vulcanization Scenarios and Delivery Risk Tips
Mold pressing, LSR injection, and secondary vulcanization are not merely differences in process; they directly impact costs, lead times, and mass production stability. This article provides a brief overview from the perspectives of procurement and mass production […]
Read the article →