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EBECRYL® 646

EBECRYL® 646 is a clear liquid modified diacrylate ester of bisphenol A epoxy resin, diluted with 25% of trimethylolpropane triacrylate. This product, when cured by UV or EB, exhibits high surface hardness, gloss, and excellent solvent resistance typical of epoxy resins. It is recommended for various applications, including overprint varnishes, lithographic and screen inks, coatings for paper, paperboard, wood, chipboard, rigid plastics, paper upgrading, laminating adhesives, and wood sealers and topcoats. EBECRYL® 646 features long pot life, good pigment wetting, improved hardness, high gloss, improved chemical resistance, faster cycle time, low-temperature curing, and low energy consumption. The application methods include curtain coating, gravure coating, lithography, roller coating, and screen coating. Additionally, it is suitable for textile manufacturing and other packaging coatings, particularly overprint varnishes.

Brand: EBECRYL (314 products)

Chemical Family: Acrylics & Acrylates, Bisphenol Epoxy Resins, Epoxy & Epoxy Derivatives

Compatible Substrates & Surfaces: Wood

Molecular Weight: 500.0 - 500.0 g/mol

Features: Faster Cycle Time, Good Pigment Wetting, High Gloss, Improved Chemical Resistance, Improved Hardness, Long Potlife, Low Energy Consumption, Low Temperature-Curing

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Acrylics & Acrylates,
Bisphenol Epoxy Resins,
Epoxy & Epoxy Derivatives
CASE Ingredients Functions
Binder & Resin,
Oligomer
Technologies
CASE Ingredients
Product Families
CASE Ingredients — Monomers & Intermediates
Oligomers
CASE Ingredients — Resins & Binders
Acrylics,
Epoxies

Features & Benefits

Labeling Claims
Low Carbon Footprint (PCF),
Solvent-free,
VOC-free
CASE Ingredients Features
Faster Cycle Time,
Good Pigment Wetting,
High Gloss,
Improved Chemical Resistance,
Improved Hardness,
Long Potlife,
Low Energy Consumption,
Low Temperature-Curing

Applications & Uses

Markets
Industrial,
Paints & Coatings,
Printing & Packaging
Applications
Paints & Coatings — Building & Construction
Wood Coatings & Finishes
Industrial — Leather & Textiles
Textile Manufacturing
Printing & Packaging — Packaging Coatings
Other Packaging Coatings,
Overprint Varnishes
Paints & Coatings — Packaging Coatings
Other Packaging Coatings,
Overprint Varnishes
Printing & Packaging — Printing & Inks
Gravure Printing,
Offset & Lithographic Printing,
Screen Printing
Application Method
Curtain Coating,
Gravure Coating,
Lithography,
Roller,
Screen Coating
Compatible Substrates & Surfaces
Wood
Cure Method
Radiation Cure
Coating Type
Radiation Curable Coating
Suggested Applications

Formulated UV/EB curable products containing EBECRYL® 646 may be applied by lithographic, screen, gravure, direct or reverse roll, and curtain coating methods.

EBECRYL® 646 is recommended for use in :
  • Overprint varnishes
  • Lithographic and screen inks
  • Coatings for paper, paperboard, wood, chipboard and rigidplastics
  • Paper upgrading
  • Fast cure response
  • Laminating adhesives
  • Wood sealers and top coats.

Properties

Physical Form
Liquid
Appearance
Clear liquid
Physical Properties
ValueUnitsTest Method / Conditions
Density1.15g/cm³-
Functionality (Theoretical)2--
Molecular Weight (Theoretical)approx. 500--
MPTA Content30% wt-
Polymer Solids Content70% wt-
Typical Properties
ValueUnitsTest Method / Conditions
Acid Valuemax. 2mgKOH/g-
Colormax. 3Gardner-
Hopler Viscosity (25°C)approx. 25000mPa.s-

Safety & Health

Precaution
The following is a summary of the precautions to be taken when handling this product. Please refer to the Safety Data Sheet for further details.The toxicological properties of this material have not been fully determined. Products of this type can be expected to be eye and skin irritant and have the potential to cause sensitization or other allergic responses. Appropriate precautions should be taken to avoid eye and skin contact and to avoid inhalation of the aerosols or vapors. Consult the relevant Safety Data Sheet for appropriate handling procedures and protective equipment prior to using this or any other material referred to in this bulletin.See Safety Data Sheet for emergency and first aid procedures.

Packaging & Availability

Regional Availability
  • Africa
  • Europe
  • Middle East

Storage & Handling

Shelf Life
2 years
Storage and Handling
Care should be taken not to expose radiation curable products to temperatures exceeding 40°C for prolonged periods or to direct sunlight. This might causeuncontrollable polymerization of the product with generation of heat. Storage and handling should be in stainless steel, amber glass, amber polyethylene or baked phenolic lined containers. Do not store this material under an oxygen free atmosphere. Use dry air to displace material removed from the container. This material should not be stored for more than 2 years.