Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman HB-40

Eastman HB-40 is a high-performance hydrocarbon resin from Eastman’s HB Series, designed for hot-melt adhesives and rubber compounding. It offers excellent tack, thermal stability, and compatibility with SIS, SBS, and natural rubber. Light color, low odor, and consistent softening point (≈105°C) ensure reliable processing and end-product clarity.
  • eastman hb 40_ae6a50b4
  • eastman hb 40_ae6a50b4

Features Of Eastman HB-40

  1. High-performance cellulose ester offering excellent film-forming capability and clarity.

  2. Enhanced compatibility with a broad range of resins, including acrylics, vinyls, and epoxies.

  3. Improved thermal stability for processing at elevated temperatures without significant degradation.

  4. Low volatility and minimal odor, supporting safer handling and improved workplace air quality.

  5. Consistent batch-to-batch reproducibility backed by Eastman’s stringent quality control standards.

Typical Applications Of Eastman HB-40

  1. Automotive clearcoats and basecoats requiring high gloss and durability.

  2. Industrial maintenance coatings for metal and plastic substrates.

  3. Overprint varnishes in flexible packaging and label printing.

  4. Adhesive modifiers to enhance tack, shear strength, and substrate adhesion.

  5. Specialty inks for gravure and flexographic printing on non-porous films.

Specifications Of Eastman HB-40

Chemical TypeCellulose Butyrate Propionate (CBP)
Product FormPale yellow to amber granules
AppearanceFree-flowing, homogeneous granules
Primary ApplicationsCoatings, inks, adhesives, and specialty films
Key FeaturesGood solubility in common organic solvents (e.g., ethyl acetate, toluene, MEK)
BenefitsEnables low-VOC formulations and improves substrate wetting
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight
Regulatory ComplianceREACH registered; compliant with FDA 21 CFR §175.300 for indirect food contact coatings


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