Ebalta LH 28-1 / TM

Category: Epoxy , Epoxy; Epoxide
Manufacturer: Ebalta Kunststoff GmbH
Trademark: Ebalta
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: HmgDhd_Ebalta-LH-28-1-TM.pdf
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ebalta LH 28-1 is a two components epoxy laminating resin, precuring at room temperature and, depending on postcuring, can be used till 175°C.

Since this laminating resin system contains no fillers, it has got good wetting properties and makes a high glass fabric content possible. This leads to a low coefficient of thermal expansion and high strength.

Together with aluminium granules, ebalta LH 28-1 is suitable for back filling of heat resistant moulds and moulding tools. At room temperature the curing takes 7 days and the material can only be used for applications till 60°C.

Applications
  • Vacuum forming tools
  • Prepreg tools
  • hot gluing tools
  • Blow moulds
  • Polyester injection moulds
  • Polyester press tools

Properties
  • very high heat resistance, depending on post curing till 175°C
  • long processing time
  • low exothermic character
  • heat curing
General Information
Features
  • Heat Cure
  • High Heat Resistance
  • High Strength
  • Low Exotherm
Uses
  • Laminates
  • Molds/Dies/Tools
Appearance
  • Brown
HardnessNominal ValueTest Method
Shore Hardness (Shore D)82 to 88ISO 7619
MechanicalNominal ValueUnitTest Method
Flexural Modulus 2550 to 3050MPaISO 178
Flexural Stress 85.0 to 105MPaISO 178
Compressive Stress 77.0 to 93.0MPaISO 604
Flexural Strain at Flexural Strength 3.4 to 4.6%ISO 178
ImpactNominal ValueUnitTest Method
Charpy Unnotched Impact Strength 10 to 22kJ/m²ISO 179
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature (0.45 MPa, Unannealed)172 to 178°CISO 75-2/B
Glass Transition Temperature 182°CDSC
ThermosetNominal ValueUnit
Thermoset Components
    Hardener Mix Ratio by Weight: 40
    Resin Mix Ratio by Weight: 100
Post Cure Time
    40°C 4.0hr
    60°C 6.0hr
    100°C 4.0hr
    135°C 4.0hr
    160°C 4.0hr
Uncured PropertiesNominal ValueUnit
Density (20°C)1.07 to 1.13g/cm³
Viscosity (25°C)0.65 to 0.85Pa·s
Curing Time (20°C)24 to 48hr
Pot Life 1(20°C)240 to 360min
Note Message
1 .200 g
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