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EBECRYL® 1259, an acrylated aliphatic urethane oligomer diluted with 35% hydroxyl propyl methacrylate, is meticulously crafted for solder resist coatings on printed circuit boards. Its versatile curability by ultraviolet light (UV) or electron beam (EB) sets it apart. Serving the electronics industry with finesse, EBECRYL® 1259 excels in radiation-curable coatings. Its adaptability extends to various applications in other specialty coatings, making it a preferred choice in diverse coating formulations.

Chemical Family: Urethane Acrylates

End Uses: Radiation Curable Coating

Molecular Weight: 2000.0 - 2000.0 g/mol

Technical Data Sheet

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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Applications & Uses

Cure Method
Suggested Applications

Formulated UV/EB curable products containing EBECRYL® 1259 may be applied by lithographic, screen, gravure, direct or reverse roll, and curtain coating methods.

EBECRYL® 1259 is recommended for use in :
  • Solder resists with improved adhesion and flexibility on tin - lead
  • Thick film casting

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Density1.07g/cm³
Functionality (Theoretical)3
HPMA Content35% wt
Molecular Weight (Theoretical)2000
Polymer Solids Content65% wt
Typical Properties
ValueUnitsTest Method / Conditions
Colormax. 2Gardner
Hopler Viscosity (25°C)± 12000mPa.s
Cured Properties
ValueUnitsTest Method / Conditions
Tensile Elongation99%
Tensile Strength25MPa
Glass transition temperature (Measured on a 125μm UV cured film)43°C

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

Country Availability
Regional Availability
  • Africa
  • China
  • 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 cause uncontrollable 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.