Knowde Enhanced TDS
Identification & Functionality
- Technologies
Features & Benefits
- Ready-to-Use Product Features
- Product Highlights
High Thermal Conductivity and diffusivity: CoolMag 32 has all properties of RT PDMS Xylene compounds with x7 higher thermal conductivity and x10 thermal diffusivity than silicones, making allowing high heat transfer at low temperature with fast stabilization of temperatures thus minimizing hot spots in transients.
Low stress: performs low shrinkage and reduce stress on components as it cures. The very low hardness (Shore A 35) and the elasticity with a full shape recovery helps to absorb mechanical energy and dilatation efforts, reducing breaking, chipping and cracking risks in ferrite cores and Li-Ion batteries expansion overheating.
Durable: it will not depolymerize when heated in confined spaces. Fully AECQ 200 compliant. Negligible mass loss in at high temperature.Low viscosity: Low viscosity product compared to other thermally conductive materials, easing the encapsulation process thus fully injectable and low pressure and room temperature. Simple degassing and fast die casting and potting by gravity or at low vacuum.
Environmentally Resistant: Excellent thermal shock, water-proof, and aging resistance.
Flame retardant: CoolMag 32 as a constant temperature absorption point an 180ºC by its PCM (Phase Change Material) components with high Enthalpy.
Designed for Manufacturability: Easy to clean and with A working lifespan of the mixed product of 1hour, COOLMAG 32 do not require special tooling’s, high pressure nor high temperature. It can be used for die-casting by gravity (vacuum not mandatory) and is easily mouldable while liquid and it is not sticky and easy to remove from the mold. The products can be cured at room temperature or quickly cured and relatively low temperature of polymerization thus making process clean, fast and simple.
Applications & Uses
- Applications
- Application Area
- Typical Applications
COOLMAG is designed to provide thermal conductivity, electrical safety, hazard protection, mechanical and fire protection for electrical/electronic encapsulating applications specially designed for:
- Power Transformers and Semiconductors.
- Automotive and High reliability Power Electronics.
- On Board Chargers (OBC), Inverters and DC/DC converters in Electric Vehicles.
- Inter-Cell coating and protection in batteries.
- Gap Filler to interface with liquid cooling in Battery Packs.
Properties
- Appearance
- Beige liquid
- Typical Properties
- Typical Cured Properties
| Value | Units | Test Method / Conditions | |
| Viscosity Brookfield (10 rpm at 25ºC) | 75000 | cps | D94 |
| Density | 1.9 | g/cm3 | — |
| Value | Units | Test Method / Conditions | |
| Ageing Test (at 200ºC for 3 weeks) | Without changes in properties | — | — |
| Hardness | 75 - 80 | Shore A | UNE-ISO 7619-1:20111 |
| Ca+2 Content | max. 5 | ppm | — |
| Comparative Tracking Index | min. 600 | V | — |
| Dielectric Constant | 3.72 | — | ASTM D150-1MHZ |
| Dielectric Dissipation Factor (tan Δ) | 0.0096 | — | ASTM D150-1MHZ |
| Dielectric Strength | 15.3 | kV/mm | ASTM D149 |
| Diffusivity | 5.10^-6 | mm2/s | Hot Disc Transient Method |
| Flammability Test | V0 | — | UL 94 V |
| Halogens Content (Cl-, Br-) | max. 5 | ppm | — |
| Low Molecular Weight Siloxanes | max. 2000 | ppm | D4-D10 |
| Thermal Conductivity | 1.5 - 1.8 | W/mk | Hot Disc Transient Method |
| Tropical test (at 70ºC/95% RH for 4 weeks) | Without changes in properties | — | ASTM D3638:2021 |
Regulatory & Compliance
- Certifications & Compliance
- Regulations
- REACH (Regulation (EC) 1907/2006).
- RoHS II (Directive (EU) 2015/863 amending Annex II to Directive 2011/65/EU).
Technical Details & Test Data
- Applications
Mixing process:
Do not dispose of the liquid from above because of the content of essential ingredients for the proper performance of the product. Thoroughly mix each component individually until a viscous paste appearance is obtained. Verify that the solid has been fully incorporated. Vibrating and degassing recommended.
Mix COOLMAG 32 resin component A with COOLMAG 32 hardener component B at a 1:1 ratio in weight or volume. For high volume production, may be used an automatic meter/mix/dispense equipment.
For high voltage and other critical applications, vacuuming mixing systems may be appropriate: air may be introduced into the encapsulant system either during mixing or when catalyzing the mixture changing the electrical and thermo-conductive properties of the product. Thermal conductivity and electric isolation are best when air bubbles and voids are minimized. Speed Mixers, centrifugal mixers or vibration mixers are recommended.
Applying:
Apply COOLMAG 32 using handheld cartridges or automatic meter/mix/dispense equipment on a clean surface and without cure inhibiting ingredients, such as amines, sulfur or tin salts. If bonding surface is in question, perform a test with a patch of COOLMAG 32 , setting for the normal curing time.Curing
For the proper curing process of the COOLMAG 32, after the application needs to be allowed at room temperature (25ºC, 24h), 60min at 90ºC or 40 minutes at 125ºC. The time starts when the material has reached the temperature of curing. Parts with large thermal mass and other circumstances may delay material reaching the target temperature.
Packaging & Availability
- Packaging Type
Storage & Handling
- Storage
- The shelf-life of each component is 12 months from date of manufacture, in the unopened original container at 25ºC.
- Before using COOLMAG 32, please refer to the Material Safety Data Sheet (MSDS) and label for safe use and handling instructions.