ARALDITE® MY 750 / HARDENER HY 5922

ARALDITE® MY 750 / HARDENER HY 5922 is a liquid, impregnating resin system with low glass transition temperature for coils with excellent mechanical end properties. It has high thermal shock resistance and is used in Large coils for magnets and/or rotating machines and Super-conductive magnets.

 

The information, specifications, and materials provided with this product are for general informational purposes only and are subject to change without notice. The product is provided “as is” without any warranties, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, or non-infringement. Users are responsible for ensuring the product is suitable for their intended application and for following all applicable safety guidelines and instructions.

The information, specifications, and materials accessible here may not reflect the most current version. Please use the Request a Document feature for the most current product documentation available.

RTU Product Type: Impregnating Resin System

Product End Uses: Coils, Magnets, Rotating Equipment

Chemical Family: Epoxy & Epoxy Derivatives

Processing & Application Methods: Vacuum Pressure Impregnation (VPI)

Product Features: Good Mechanical Properties, Low Glass Transition Temperature, Thermal Shock Resistance

Enhanced TDS

Identification & Functionality

Features & Benefits

Regulatory & Compliance

Manufacturing Facility Standards

Technical Details & Test Data

Mechanical & Physical Properties
System: Araldite MY 750' 100 pbw
Hardener HY 5922 55 pbw
Determined on standard test specimen at 23°C
Curing Cycle: 6h at 40°C + 3h at 80°C
Flexural strength ISO 178 MPa 95 - 105
Surface strain ISO 178 % 3.5 - 4.5
E modulus from flexural strength ISO 178 MPa 2700 - 3100
Tensile strength ISO R 527 MPa 55 - 65
Elongation at break ISO R 527 % 6 - 9
E modulus from tensile strength ISO R 527 MPa 2800 - 3200
Impact strength ISO 179 kJ/m² 60 - 70
Glass transition temperature (DSC) IEC 1006 °C 43 - 55
Heat Distortion Temperature ISO 75 °C 45 - 55
Bend Notch      
Critical Stress Intensity Factor Kic ISO/ DIN 1358 MPa.m1/2 0.95 - 1.0
Specific Energy at break Gic IEC 1006 °C 300 - 360
Test performed with plastic deformation precracking only:
Critical Stress Intensity Factor Kic CG 216-0/89 MPa.m1/2 3.0 - 3.2
Specific Energy at break Gic   J/m² 3300 - 3600
Water absorption (specimen: 50x50x4 mm) ISO 62    
4 days at 23°C   % 0.35 - 0.45
10 days at 23°C   % 0.55 - 0.65
Storage under tropical conditions after 10 days at 40°C / 92% rel. humidity CG 75 % 1.1 - 1.4
Processing Information

System: Araldite MY 750’ 100 pbw
Hardener HY 5922 55 pbw

Processing Viscosity

ARALDITE® MY 750 / HARDENER HY 5922 - Processing Properties - 1

 

Fig.3.1: Viscosity increase at 30 and 40°C in function of the time
(measurements with Rheomat 115A, MS DIN 125, D =10 s-1)

 

Viscosity increase at:

30°C - 4h 30 min
40°C - 3h 25 min

Fig.3.2: Viscosity increase at 30 and 40°C as a function of the time (measurements with Rheomat 115A, MS DIN 125, D =10 s-1)

ARALDITE® MY 750 / HARDENER HY 5922 - Processing Properties - 1

Fig.3.3: Initial viscosity as a function of temperature
(measurements with Rheomat 115A, MS DIN 125, D =10 s-1)

 

ARALDITE® MY 750 / HARDENER HY 5922 - Processing Properties - 1

 

Fig.3.4: Geltime as a function of temperature (measured with Gelnorm Instrument, ISO 9396)

 

Mechanical and Physical properties

 

System: ARALDITE® MY 750 100 pbw
HARDENER HY 5922 55 pbw
Determined on standard test specimen at 23°C
Curing Cycle: 6h at 40°C + 3h at 80°C
Flexural strength ISO 178 MPa 95 - 105
Surface strain ISO 178 % 3.5 - 4.5
E modulus from flexural strength ISO 178 MPa 2700 - 3100
Tensile strength ISO R 527 MPa 55 - 65
Elongation at break ISO R 527 % 6 - 9
E modulus from tensile strength ISO R 527 MPa 2800 - 3200
Impact strength ISO 179 kJ/m² 60 - 70
Glass transition temperature (DSC) IEC 1006 °C 43 - 55
Heat Distortion Temperature ISO 75 °C 45 - 55
Bend Notch      
Critical Stress Intensity Factor Kic ISO/ DIN 1358 MPa.m1/2 0.95 - 1.0
Specific Energy at break Gic IEC 1006 °C 300 - 360
Test performed with plastic deformation precracking only:
Critical Stress Intensity Factor Kic CG 216-0/89 MPa.m1/2 3.0 - 3.2
Specific Energy at break Gic   J/m² 3300 - 3600
Water absorption (specimen: 50x50x4 mm) ISO 62    
4 days at 23°C   % 0.35 - 0.45
10 days at 23°C   % 0.55 - 0.65
Storage under tropical conditions after 10 days at 40°C / 92% rel. humidity CG 75 % 1.1 - 1.4
Electrical Properties

System: ARALDITE® MY 750 100 pbw
HARDENER HY 5922 55 pbw
Determined on standard test specimen at 23°C
Curing Cycle: 6h at 40°C + 3h at 80°C

 

Breakdown strength IEC 60243-1 kV/mm 25 - 30
Loss factor tan δ > 1%
IEC 250/ DIN 53483
% 35 - 40
Loss factor tan δ > 5% IEC 250/ DIN 53483 % 40 - 45
Dielectric constant εr at 25℃ IEC 250/ DIN 53483   3.7
Volume resistivity at 25℃ IEC 93/ DIN 53482 ohm.cm 7.70E + 15

 

 

ARALDITE® MY 750 / HARDENER HY 5922 - Mechanical and Physical properties - 1ARALDITE® MY 750 / HARDENER HY 5922 - Mechanical and Physical properties - 1

Packaging & Availability

Regional Availability
  • EIMEA

Storage & Handling

Storage Conditions
  • Store the components in a dry place in tightly sealed original containers.
  • Under these conditions, the shelf life will correspond to the expiry date stated on the label.
  • Partly emptied containers should be tightly closed immediately after use.

Other

Physical Form
Processing & Application Methods
Product End Uses
Application Information
ValueUnitsTest Method / Conditions
Mix Ratio0.55%(W)Hardener : Resin