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Technical Guide: How to Prevent Silicone "Poisoning" and Ensure Perfect Curing Content:

2026-05-12

Technical Guide: How to Prevent Silicone "Poisoning" and Ensure Perfect Curing

A common frustration in EV assembly lines is "non-curing" or "sticky surface" issues with silicone potting. At Hanast, we help our clients identify and eliminate these "poisoning" risks to ensure 100% production yield.
Key Substances to Avoid:

Addition-type silicones are highly sensitive. To ensure a perfect cure, your components and mixing equipment must be free from:
1. Heavy Metals: Specifically Tin (often found in condensed silicones), Sulfur, and Amine.
2. Uncured Resins: Avoid contact with uncured Epoxy or Polyurethane.
3. Flux Residue: Ensure PCBs are cleaned of acidic flux before potting.

The Hanast Advantage:
As a direct manufacturer, we offer more than just glue. We provide:
• Formula Customization: We can adjust viscosity and curing speed to match your specific automated dispensing lines.
• Expert Consultation: Our engineers are available to discuss vacuum degassing and application techniques.
• Free Sampling: We invite Vietnamese factories to request free samples for compatibility testing.

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Units 1210-1211, Block B, Building 6, Hengda Fashion Valley, Dalang Street, Longhua District, Shenzhen, Guangdong Province, China E-mail: sales11@hanastsilicone.com Tel: +8613670122311 Tel: +8613670122311

The Largest R&D and Production Silicone Potting Compound Supplier in China

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