Description
CHT QGel 301 Fast Cure Silicone Gel is a transparent, two-part addition-cure gel for electronic potting and encapsulation. It cures into a very soft, tough silicone polymer that helps protect components from moisture, vibration, thermal shock, and mechanical shock while keeping low stress on delicate assemblies.
Fast Cure Silicone Gel Benefits
- 1:1 mix ratio by weight supports straightforward two-component processing.
- Transparent cured gel is useful where visual inspection of covered parts matters.
- Soft, higher-strength gel structure supports assemblies that need cushioning rather than a rigid potting compound.
- Room-temperature gel time is listed at 20 minutes on current CHT product data, with accelerated heat-cure options available.
- Low viscosity components flow around small parts, leads, connectors, and cavities before cure.
Use this gel when electronics need a compliant barrier instead of a hard encapsulant. The cured material can cushion leads, connector interiors, sensors, LED assemblies, and small control modules that see vibration or temperature cycling. For production work, mix the A and B sides thoroughly, keep the 1:1 weight ratio, and remove trapped air when voids would affect appearance or performance.
Common Applications for Fast Cure Silicone Gel
- Electronic connector protection where leads need moisture and shock resistance.
- Sensor and control-module encapsulation where a soft gel reduces stress on components.
- LED and display assemblies that need a transparent protective material.
- General electronics potting where room-temperature cure speed matters.
Compatible Materials and Processing Notes
- Adhesion is stated for glass, copper, and select other substrates.
- Service temperature range is listed from -55°C to 204°C.
- Automated mix and dispense equipment is recommended when the fast gel time affects manual handling.
- Use same-lot A and B components where production control requires consistent cure behavior.
Fast Cure Silicone Gel Technical Specifications
| Property | Value |
|---|---|
| SKU | QUA QGEL 301 |
| Product Code | QGel 301 |
| Chemistry | Two-part addition-cure silicone gel |
| Color | Transparent |
| Mix Ratio By Weight | 1:1 |
| Viscosity A | 1,000 cP |
| Viscosity B | 2,000 cP |
| Density A | 0.97 |
| Density B | 0.97 |
| Gel Time at 25°C | 20 minutes |
| Cure Profile | 5 minutes at 150°C, 10 minutes at 100°C, 90 minutes at 25°C |
| Penetration | 5 to 9 mm |
| Working Temperature Range | -55°C to 204°C |
| Shelf Life | 24 months |
Packaging and Ordering
Order QGel 301 for projects that need a fast-room-temperature silicone gel with transparent appearance and a soft cured profile. Browse Chemical Concepts encapsulants and potting compounds for related casting and electronics-protection materials. For manufacturer background, review CHT before releasing a production specification.
Need Help?
Need help matching gel cure speed, package size, or dispense method to your electronics assembly? Call (800) 220-1966 or email [email protected].
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