Scale buildup in mold cooling channels gradually degrades temperature control precision — and part quality with it. Learn the warning signs and inspection intervals.

September 16th, 2026

Interference Fit in Silicone Overmolding: Matching LSR Shrinkage Against Substrate Tolerance

In silicone overmolding, interference fit depends on matching LSR shrinkage against substrate tolerance. Get the calculation wrong and you get loose or stressed parts.

September 8th, 2026

Hot Runner Valve Gate Timing Desynchronization: Color Inconsistency That Look Like Unrelated Defects

When hot runner valve gates open and close out of sync across cavities, the result is often gate marks and color drift that look like unrelated defects. Here's why.

September 4th, 2026

Core-Pulling and Side-Action Mechanism Design for Complex Internal-Channel Silicone Parts

Molding silicone parts with complex internal channels — like catheters — creates specific core-pulling and side-action design challenges. Here's what to look for.

September 1st, 2026

Mold Release Agent Residue: How It Quietly Undermines Downstream Overmolding and Bonding — and When a Release-Agent-Free Mold Design Is Worth It

Mold release agent residue can silently sabotage secondary overmolding or adhesive bonding steps. Compare release strategies and release-agent-free mold design.