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Technical Data Sheet
Eastek™ 4100 polymer

  • Adhesives
  • Adhesives/sealants-B&C
Key Attributes
  • Excellent green strength
  • Good heat and hydrolytic stability
  • High Mw with functional hydroxyl group
  • High Tg
  • Superior adhesion to metal substrates

Product Description
Eastman Eastek 4100 is a high-performance polyester resin for polyurethane hot melt adhesive applications. Eastman Eastek 4100 resin is designed to improve cross linking, increase Tg, and improve formulation flexibility. These attributes enable greater productivity, application consistency, long-term durability, and expanded application space for woodworking, packaging, assembly, and automotive applications.

Typical Properties

PropertyTypical Value, Units
FormSolid Pellet
Acid Number4 mg KOH/g
Hydroxyl Number15 mg KOH/g
Inherent Viscosity0.36 dL/g
Tg78 °C

Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

2/17/2023 9:08:00 AM