Cellulose Acetate - CA-320S

Eastman Cellulose Acetate (CA-320S) is a cellulose ester with a high hydroxyl content. When CA-320S is dissolved in appropriate solvents, a clear, colorless solution is produced. It is supplied as pellets.


Eastman CA-320S is based on cellulose, one of the most abundant natural renewable resources. The calculated approximate bio-content value of 63% for Eastman CA-320S was determined by using six bio-based carbon atoms per anhyroglucose unit divided by the total number of carbons per anhyroglucose unit. Although the value reported is not specifically measured for bio-carbon, it can be estimated based on typical partition data.

Cellulose ester ApplicationsAce machinery & equipmentArchitectural coatingsAuto refinishCompensation filmGeneral industrial coatingsJanitorial & household cleanersPaints & coatingsPharmaceutical chemicalsProcess additivesTac filmTypical PropertiesPropertyTypical Value, UnitsGeneralViscositya      s32     Poise240Acetyl Content32.0 wt %Hydroxyl Content8.7 wt %Moisture Content3.0 max %Tgb180 °CMelting range230-250 °CBulk Density15-33Specific Gravity1.31Free-acidity1000 max ppmWt/Vol1.31 kg/L (10.9 lb/gal)Combined Acetic Acid Content44.7 % Eastman Chemical Eastman Chemical Solvents,Acetate esters Industrial and assembly,Paints coatings and inks,Pharma and medical,Process additives

  • Brand: : Eastman Chemical
  • Producer/Supplier : Eastman Chemical
  • Chemical Group/INCI : Cellulose ester
  • Chemical Category : Solvents
  • Sub Category : Acetate esters
  • Industry/Applications

    : Industrial and assembly, Paints coatings, Pharma and medical, Process additives

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