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Bomar Oligomers® BR-3641AJ

BOMART BR-3641AJ is an aliphatic polyether urethane acrylate with a high molecular weight and theoretical 1.3 functionality. Films formulated with BR-3641AJ are highly flexible, elastomeric, and tacky. It is excellent as an adhesion promoter or reactive tackifier. It is a perfect choice for optically clear UV-PSAs.

Identification

CASE Ingredients Functions
Adhesion PromoterOligomerTackifier

Product families

Applications

Adhesives & Sealants — Packaging & Paper
  • Tape & Label Adhesives
Printing & Packaging — Tapes, Labels & Adhesives
  • Tapes & Labels

Product Families

CASE Ingredients — Additives
  • Functional Additives
  • Surface Modifiers

Other characteristics

Brand
Bomar Oligomers
Functions
Adhesion Promoter, Oligomer, Tackifier
Markets
  • Adhesives & Sealants
  • Printing & Packaging
Technology
CASE Ingredients
HIGHLIGHTS
  • Optical Clarity
  • Exhibits Hydrolytic Stability
  • Resilience
  • Tenacious Adhesion
  • Enhances Weatherability
  • Non-Yellowing
General Information

This product is intended for industrial use only. Keep out of the reach of children. Avoid breathing vapors. Avoid contact with skin, eyes, and clothing. Wear impervious gloves. Repeated or continuous skin contact with uncured material may cause irritation. Remove material from skin with soap and water. Never use organic solvents to remove material from skin and eyes. For more information on the safe handling of this material, please refer to the Safety Data Sheet before use.

Typical Formulations

Cold Rolled Steel; X Recommended XX Highly Recommended XXX Strongly Recommended; * Brookfield – CAP 2000+ @ 25°C.; Tensile Strength, psi**; Elastic Modulus, ksi*; Durometer Hardness; Water Absorption, 96 (24 hrs); MEK Double Rubs (#); ** Per ASTM D882 – Not Tested || Incompatible X Unable to Measure

Adhesive & Sealant Type
Pressure Sensitive Adhesive
Recommended Applications
  • Pressure Sensitive Adhesives
  • Adhesion Promoter
  • Reactive Tackifier

Technical data

Table 1 of 1

4 rows
CharacteristicValueUnit
Density (25 °C)1.06g/cm3
Pt-Co(APHA) Colormax. 100—
Refractive Index (22°C)1.46—
Viscosity (60 °C)10000cP

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