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Havel Composites CZ sro Epoxy resin LH 160

Havel Composites CZ sro Epoxy resin LH 160 is a Low-viscosity laminating resin systems not containing fillers or solvents Intended for processing and curing at room temperature. Suitable for production of parts with glass, carbon and aramid fiber reinforcements featuring high static and dynamic loadability. The range of pot life is approx Between. 25 min. and 5 hours. Non-tacky, high gloss surfaces are Obtained Even with unfavorable curing conditions, droughts and lower Temperatures or high relative humidity. The mixing viscosities with laminating resin LH 160 are very low, Which is Advantageous for processing at Low Temperatures or special processing methods, E. G. injection etc.

Polymer Name: Epoxy Resins & Compounds

Chemical Family: Bisphenol A Type Epoxy, Bisphenol Epoxy Resins, Epoxy & Epoxy Derivatives

Processing Methods: Injection Molding

Technical Data Sheet
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Identification & Functionality

Additives Included
Composite Materials Functions

Features & Benefits

Special Properties
  • Good mechanical properties
  • Pot life from approx. 15 min. to approx. 5 hours

Applications & Uses

Composites Processing Methods
Applications

Low-viscosity laminating resin systems not containing solvents or fillers intended for processing and curing at room temperature. Suitable for production of parts with glass, carbon and aramide fiber reinforcements featuring high static and dynamic loadability. The range of pot life is between approx. 25 min. and 5 hours.

Non-tacky, high gloss surfaces are obtained even with unfavorable curing conditions, such as lower temperatures or high relative humidity. The mixing viscosities with laminating resin LH 160 are very low, which is advantageous for processing at low temperatures or special processing methods, e.g. injection etc.

Thanks to their excellent adhesive properties, these systems can be also used as adhesives for wood, metal, glass, concrete and numerous plastics. Fillers (e.g. metal powder, talcum, cotton flakes etc.) may be admixed to obtain special system properties.

Due to elongation 4 – 7 %, which is advantageous for use as a laminating resin, the shear strength and peel resistance are somewhat lower than those of our special adhesive resins.

  • Boat and shipbuilding
  • Sports equipment
  • Model airplanes
  • Molds and tools
  • Adhesives
  • Casting
Processing
  • At temperatures between 10 °C a 50 °C
  • All usual processing methods
Laminating curing systems for curing at room temperatures

Special laminating resin combinations are available for curing at room temperatures from 10 - 30°C. These systems have been modified such that they will cure completely at room temperature and can be worked and used without additional heat treatment. Hear resistance of 40 – 60°C can be obtained with curing at room temperature (rule of thumb: curing temperature +30°C = maximum heat resistance).

The heat resistance of some systems (hardeners 135 – 136 and H 300) can be increased to approx. 80°C by subsequent heat treatment. In addition to the systems described below, some other resin/hardener combinations can be also used after curing at room temperature unless they must fulfill special requirements (aircraft approval, etc.). Examples of suitable combinations:

Laminating resin LH 160

  • Standard bisphenol A-based low viscosity resin. Viscosity: 700– 900mPas/25°C. Does not crystallize at normal storage temperatures.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Density (25°C)1,13 - 1,17g/cm³-
Viscosity (25°C)700 – 900mPa·s-
Epoxide equivalent166 – 182--
Epoxide Value0,55 - 0,60--
Colormax. 3Gardner-

Storage & Handling

Storage
  • The resin and hardeners can be stored for at least 12 month in the carefully sealed containers. The resin and hardeners may crystallize at temperatures below +15°C. The crystallization is visible as clouding or solidification of the contents of the container. Before processing, the crystallization must be removed by warming up.
  • Slow warming up to approx. 50 – 60°C in a water bath or oven and stirring or shaking will clarify the contents of the container without any loss of quality. Use only completely transparent products.
  • Before warming up, open containers slightly to permit equalization of pressure. Caution during warm-up! Do not warm up over an open flame! While stirring up use safety equipment (gloves, eyeglasses, respirator)