Troubleshooting Guide: Why Isn’t My Silicone Curing?

Sometimes, silicone doesn’t cure as expected. Here are the most common reasons and solutions.

Common Problems

1. Wrong mixing ratio – Always follow the manufacturer’s instructions.

2. Cold environment – Low temperatures slow curing.

3. Contamination – Residues like sulfur or moisture can prevent curing.

4. Expired materials – Old silicone or catalyst may fail.

Solutions

• Mix carefully by weight, not volume.

• Keep curing environment around 25°C.

• Use clean, dry tools and containers.

• Buy from a trusted supplier with fresh stock.

👉 With LSRfactory silicone, you get consistent, fresh batches designed for reliable curing every time.