HysolEM LMC-565U-G | EMC for Rotor magnet fixing

Harmonization Code : 3907.30.00.40 |   Epoxy Mold Compounds containing by weight more than 70 % silicon dioxide
Main features
  • Low CTE (18 ppm/°C)
  • High Tg (174°C)
  • 70% Spherical filler

Product Description

HysolEM LMC-565U-G is the perfect solution for protecting and securing your electric motor's magnets. This black, rotor magnet encapsulant is being used in the automotive, eMobility industry as an alternative to traditional resin fixing techniques. It claims a very low CTE, High Tg, and good and reliable encapsulation. It has 70% filler content and is based on OCN/MAR chemistry with a PN hardener.

HysolEM LMC-565U-G  is specifically designed to keep your motor running smoothly and efficiently. It offers superior protection against environmental factors such as moisture, dust, and other contaminants that can degrade the performance of your magnets over time. an encapsulant for use in automotive rotor magnets. This product is used to protect and secure the magnets within the rotor of electric and hybrid vehicles, improve thermal conductivity and enhance the magnetic properties of the magnets.

HysolEM LMC-565U-G also improves thermal management by dissipating heat generated by the magnets, thereby prolonging the life of the motor. It provides enhanced mechanical stability, holding the magnets securely in place to prevent movement or shifting which can cause damage and reduce efficiency.

Safety is a top priority for us, and this material prevents the release of harmful particles or gases in case of magnet failure, ensuring the safety of both the environment and human health. You'll enjoy cost-effective maintenance and extended motor life, reducing replacement costs in the long run. Upgrade to HysolEM LMC-565U-G and experience the difference it makes in the performance of your electric motor.

Product Family
LMC-565U-G  
Pellet
20 mm
15 gr
15 kg

Catalog Product

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Technical Specifications

General Properties
Filler Content 70 %
Specific Gravity
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.

For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.85
Shelf Life
Shelf Life @ 5°C 300 days
Chemical Properties
Moisture absorption 0.5 %
Ionic Content
Chloride (Cl-)
Chloride (Cl-)
The amount of Chloride (Cl-) ion extracted from the product in parts per million (ppm)
10 ppm
Physical Properties
Spiral Flow @ 175°C 140 cm
Thermal Properties
Glass Transition Temperature (Tg)
Glass Transition Temperature (Tg)
The glass transition temperature for organic adhesives is a temperature region where the polymers change from glassy and brittle to soft and rubbery. Increasing the temperature further continues the softening process as the viscosity drops too. Temperatures between the glass transition temperature and below the decomposition point of the adhesive are the best region for bonding.

The glass-transition temperature Tg of a material characterizes the range of temperatures over which this glass transition occurs.
174 °C
Thermal Conductivity
Thermal Conductivity
Thermal conductivity describes the ability of a material to conduct heat. It is required by power packages in order to dissipate heat and maintain stable electrical performance.

Thermal conductivity units are [W/(m K)] in the SI system and [Btu/(hr ft °F)] in the Imperial system.
0.65 W/m.K
Coefficient of Thermal Expansion (CTE)
Coefficient of Thermal Expansion (CTE), α1
Coefficient of Thermal Expansion (CTE), α1
CTE α1 (alpha 1) is the slope of the Coefficient of thermal expansion in a temperature range below the Glass transition temperature (Tg).

It explains how much a material will expand until it reaches Tg.
18 ppm/°C
Coefficient of Thermal Expansion (CTE), α2
Coefficient of Thermal Expansion (CTE), α2
CTE α2 (alpha 2) is the slope of the Coefficient of thermal expansion in a temperature range above the Glass transition temperature (Tg).

It explains the extent to which a material will expand after it passes Tg.
61 ppm/°C
Gel Time
Gel Time @ 175°C / 347°F 14 s
Mechanical Properties
Flexural Modulus
Flexural Modulus @ 25°C 1360 N/mm2
Hardness
Hot Hardness, Shore D @ 175°C 82
Curing Conditions
Transfer Pressure 70 kg/cm2
Transfer Time 10 s
Curing Schedule
Curing Time @ 175°C / 347°F 120 s
Mold Temperature 175 °C

Additional Information

Automotive rotor magnet encapsulants are used to protect the magnets in a vehicle's electric motor. They provide several benefits, including:

  1. Protection from environmental factors: Encapsulants shield the magnets from moisture, dust, and other contaminants that can degrade their performance over time.

  2. Improved thermal management: Encapsulants can help dissipate heat generated by the magnets, which can prolong the life of the motor.

  3. Enhanced mechanical stability: Encapsulants can help hold the magnets in place, preventing them from moving or shifting within the motor, which can cause damage and reduce efficiency.

  4. Enhanced safety: Encapsulants can help prevent the release of harmful particles or gases in case of magnet failure, which could be harmful to the environment and human health.

  5. Cost-effective: Encapsulants are cost-effective solution as they are relatively inexpensive, and can significantly extend the life of the motor, reducing maintenance and replacement costs.

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