ST3222 Two-component Transparent Silicone Potting Rubber
ST3222 is a two-component, transparent heat curable silicone rubber designed for electrical and electronic potting. ST3222 adheres to various types of materials such as metals, plastics, glass, and ceramics without the use of primers
Features and benefits
• Convenient 1:1 mix ratio by weight Low viscosity permits excellent potting
Transparent appearance
• Primerless adhesion to a variety of materials including, metals, and some plastics No reactive by-products: no concerns regarding corrosion
• Excellent resistance to temperature extremes
Specifications
| Property | Condition | Unit | Value |
| Uncured Properties | |||
| Appearance (Part A) | – | – | Transparent liquid |
| Appearance (Part B) | – | – | Transparent liquid |
| Viscosity (23∘C) | Part A | Pa·s {P} | 1.1 {11} |
| Viscosity (23∘C) | Part B | Pa·s {P} | 0.8 {8} |
| Mix ratio by weight | A : B | – | 01:01 |
| Viscosity after mixing (23∘C) | Mixed | Pa·s {P} | 0.9 {9} |
| Work life (23∘C) | – | hours | 6 |
| Cured Properties | (0.5h at 150∘C) | ||
| Appearance | – | – | Elastic rubber |
| Density (23∘C) | – | g/cm3 | 1.01 |
| Hardness | Type A | – | 30 |
| Tensile strength | – | MPa {kgf/cm2} | 1.0 {10} |
| Elongation | – | % | 130 |
Technical Documents
Technical Data Sheet
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