Knowde Enhanced TDS
Identification & Functionality
- CASE Ingredients Functions
- Technologies
- Product Families
Features & Benefits
- CASE Ingredients Features
- Features
Cured with bisphenol-A or bisphenol-F or phenol novolac based epoxy resins. Ark 1256 is most suitable as curing agent for
- Fast curing with short pot life
- Combined with the advantages of high hardness, good adhesion and moderate flexibility
- Cured product is resistance to solvents, dilute inorganic acids and alkalies
- Its 100% solids contents makes it safer and convenient to handle
Applications & Uses
- Applications
- Compatible Polymers & Resins
- Coating Type
- Applications
Suitable for formulating rapid curing epoxy putty, coatings, adhesives, sealants and constructions.
- Recommended Mixing Ratios
Epoxy resin ( EEW = 190 ) such as Epon 828 or GY 250 100 parts by weight Hardener Ark 1256 80 - 90 parts by weight Gel Time, at 25°C , min., 20 gm 5 - 7 parts by weight
Properties
- Physical Form
- Appearance
- Clear, Light Colour Liquid
- Typical Properties
Value | Units | Test Method / Conditions | |
Active Hydrogen Equivalent Wt.(AHEW) | 150 | g/eq | - |
Amine Value | 340 – 370 | mgKOH/gm | - |
Color | max. 5 | Gardner | |
Density (at 25°C) | 1.0 - 1.05 | g/cm3 | - |
Viscosity (at 25°C) | 20000 – 35000 | cP | - |
Pot Life (at 25ºC) | 3 - 5 | minutes |
Storage & Handling
- Shelf Life
- Minimum One year
- Storage and Stability
Hardener Ark 1256 should be stored in a cool dry place at 2 – 40 °C in the sealed container to achieve shelf life of minimum one year.Product can react with moisture and carbon dioxide in the air. Avoid exposure to direct sunlight
- Handling Precautions
- May be harmful if ingested or absorbed through the skin and can cause sensitization.
- Will cause severe irritation in contact with eyes and skin.
- Adequate ventillation is essential.
- Containers should be tightly closed when not in use or during transportation.
- Do not inhale mist or vapors.
- It is recommended to use gloves, safety glasses and protective clothing for safe handling.