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.
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First-Off Checks After Silicone Mold Cleaning: Residue and Location
Cleaning changes the process. Check residue, tool positioning and part surfaces before resuming production; a shinier mold does not remove …
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Silicone Dimensions Before and After Post-Curing: Acceptance State
Define the process state in which drawing dimensions apply. Do not mix pre- and post-treatment readings; base tool corrections on the agree…
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Silicone Thin Sections Not Filling: Flow Path and Section Transitions
Review filling paths and transitions when thick regions fill but thin regions remain incomplete. More material alone may not solve it; defe…
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Mold Release Before Silicone Bonding: Residue and Process Separation
Define permitted release and cleaning methods during molding when parts will be bonded or printed. Validate residue removal rather than ass…
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Nicks After Silicone Trimming: Residual Flash Versus Overcut
Check both material left behind and excessive removal. A clean-looking edge can contain an overcut; sealing bands and thin walls need separ…
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