Item No.: XE11-B5320
Manufacturer: Momentive Performance Materials
Technologies: Alkoxy cure, thermally conductive silicone adhesive sealant
Cure Type: Room temperature vulcanizing (RTV)
Package Size: contact us for details
Shelf Life: contact us for details
XE11-B5320 is a one-component, alkoxy-cure, thermally conductive silicone adhesive sealant. It cures at room temperature by reacting with moisture in the air to form an elastomeric rubber. This silicone adhesive typically offers primerless adhesion to many substrates, such as metals, plastics, ceramics, and glass. XE11-B5320 is non-corrosive to metals and is suitable for electrical and electronic applications, particularly in thermally conductive applications such as heat-generating elements, regulators, and rectifiers.
Key Features and Benefits:
Excellent Thermal Conductivity
Low Volatility: Reduced low-molecular siloxane content.
One-component: Ready to use, no mixing required.
Room Temperature Cure: Cures by moisture in the air.
Neutral Cure: Non-corrosive to metals.
Low Odor: Releases alcohol vapor during cure.
Excellent Adhesion: Bonds well to most substrates.
Typical Uncured Properties:
| Property | Typical Value |
|---|---|
| Appearance | White paste |
| Tack-Free Time (23°C) | 5 minutes |
Typical Cured Properties (7 days @ 23°C / 50% RH):
| Property | Typical Value |
|---|---|
| Appearance | White, elastic rubber |
| Specific Gravity (23°C) | 2.59 g/cm³ |
| Hardness (Shore A) | 83 |
| Tensile Strength | 4.1 MPa [595 psi] |
| Elongation | 50% |
Adhesive Strength (Aluminum Lap Shear):
| Property | Typical Value |
|---|---|
| Adhesive Strength | 1.4 MPa [203 psi] |
Thermal Properties:
| Property | Typical Value |
|---|---|
| Thermal Conductivity | 1.3 W/m·K [0.3 cal/(s·cm·°C)] |
| Low Molecular Siloxane Content | 0.01% |
Electrical Properties (Cured):
| Property | Typical Value |
|---|---|
| Volume Resistivity | 2.0 x 10^-7 ohm·cm [2.0 x 10^-15 ohm·cm] |
| Dielectric Strength | 17 kV/mm [431 V/mil] |
| Dielectric Constant (60 Hz) | 2.6 |
| Dissipation Factor (60 Hz) | 0.005 |
Stronger Bonding. Cleaner Process. Reliable Performance. If you are looking for an adhesive that combines high adhesion strength, flexibility, and electronic safety, 3320-80 is the
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As the year draws to a close and the Christmas season arrives, Avantek Viet Nam would like to extend our warmest Christmas greetings to all our valued customers, partners, and friends.
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