GLT – 318 – Two Component Waterproof Organic Silicone Potting Sealant
GLT – 318 is a transparent condensation type room temperature deeply cured two-component silicone potting sealant. No need any primer coating before potting. Has good adhesion with most of materials, suitable for fixing and bonding the electronic accessories. It will play a role in protecting the accessories from water, dust and leak.
Features and benefits
1. It is used for fixing and insulating the electronic accessories or PCB.
2. It will play a role in protecting the accessories or PCB from water,
dust and leak.
Specifications
| Performance Index | Standard | GLT – 318 | |
| Uncured | Appearance | Visual Inspection | Clear liquid（A） Clear liquid（B） |
| Viscosity for A（cps，25°C） | GB/T 2794-1995 | 1000～1300 | |
| Viscosity for B（cps，25°C） | GB/T 2794-1995 | 5 – 10 | |
| Operating Characteristics |
Two Components Mixing Ratio (weight ratio) |
Test at Operating System | A ：B = 10 ：1 |
| Relative Density（g/cm 3） | GB/T 533-2008 | 0.98～1.02 | |
| Mixed viscosity（cps） | GB/T 2794-1995 | 600～800 | |
| Operable Time (min,25°C） | Test at Operating Environment | 30 – 45 | |
| Surface Drying Time (min，25°C） | GB/T 13477.5-2002 | 35 – 65 | |
| Full cure time （h，25°C） | Test at Operating Environment | 24 | |
| Cured | Hardness (shore A) | GB/T 531.1-2008 | 10 – 2 |
| Dielectric Strength (kV/•mm) | GB/T 1695-2005 | ≥20 | |
| Dielectric Constant (1.2MHz | GB/T 1693-2007 | 3.0 | |
| Volume Resistively (Ω·cm) | GB/T 1692-2008 | 1×10^14 | |
| Operating temperature range (°C) | Test at Operating Environment | – 50～200 | |
| Elongation at Break (%) | GB/T 528-2009 | 120 | |
| Tensile Strength (MPa) | GB/T 528-2009 | 0.2 | |
Technical Documents
TDS - GLT - 318
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