LAIRD CRS-124
Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other
Main features
- Flexible RTV Silicone Microwave Absorber
- 100:1.00 Controlled Mixing
- 1.0 W/(m K) Thermal Conductivity
Product Description
ECCOSORB™ CRS-124 Castable Silicone Absorber is a two-part, magnetically loaded RTV silicone microwave absorber that cures to a flexible elastomer. The CRS-124 grade uses a 100:1.00 Part A-to-Part B mix ratio and may be poured into cavities, cast into cones, wedges, pyramids, terminations, loads, or microwave gaskets, and shaped to contoured surfaces. The system cures overnight at room temperature or in three hours at 80°C. Typical cured properties include 1.0 W/m·K thermal conductivity, Shore A 75 hardness, low water absorption, and service below 160°C.
Key features
- Flexible silicone absorber: The cured elastomer can be shaped to contoured surfaces and withstand impact or shock.
- 1.0 W/m·K thermal conductivity: CRS-124 provides the higher thermal conductivity of the two CRS grades.
- Pour-in-place processing: The material can form cavities, loads, gaskets, and custom absorber geometries.
Applications / Suitable for
- Microwave terminations and loads
- Pour-in-place microwave gaskets
- Cavity filling and contoured absorber surfaces
TDS, SDS & Technical Documents
Technical Specifications
No specifications available.
Additional Information
As-supplied / before-processing properties
Typical as-supplied or processing-state values unless otherwise stated. These values are not sales specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Product form | Two-part magnetically loaded RTV silicone | N/A | Part A and Part B |
| Part A form | High-viscosity paste | N/A | As supplied |
| Mix ratio | 100:1.00 | parts by weight | Part A : Part B |
| Shelf life | Approximately 6 | months | At or below 25°C |
| Room-temperature cure | Overnight | N/A | Documented schedule |
| Accelerated cure | 3 | h | At 80°C |
After-processing / final-state properties
Typical cured or final-state values under the stated system and test conditions. These values are not sales specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Service temperature | <160 | °C | Typical |
| Density | 4.55 | g/cm³ | Typical |
| Coefficient of thermal expansion | 59 × 10⁻⁶ | 1/°C | Typical |
| Thermal conductivity | 1.0 | W/m·K | Typical |
| Hardness | 75 | Shore A | Typical |
| Water absorption | <0.1 | % | 24 h |
| Dielectric strength | >10 | V/mil | Typical |
| Volume resistivity | >1 × 10¹⁰ | ohm·cm | Typical |
