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Technical Data Sheet
Benzoflex™ PS-502 Plasticizer

  • Adhesives/sealants-B&C

Product Description
Benzoflex™ PS-502 is a non-phthalate plasticizer designed for the B-component of two-component polysulfide sealants. Benzoflex PS-502 is effective at keeping the curing agent within the B-component dispersed, and provides a good viscosity match with the polysulfide prepolymer and other ingredients within the A-component.

Typical Properties

PropertyTypical Value, Units
Acidity (wt%)0.1 max.
Color Pt-Co125
Refractive Index 
     @ 25°C1.53
Specific Gravity 
     @ 20°C/20°C1.08
Boiling Point>572 °F (>300 °C)
Flash Point 
     Setaflash Closed Cup387 °F (197 °C)
Freezing Point10 °F (-12 °C)
Vapor Pressure 
     @ 20°C<0.00001 torr (<0.0013 Pa)
     @ 25°C634 cP (634 mPa·s)
     @ 20°C9.01 lb/gal (1.08 kg/L)

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.

10/28/2018 4:41:08 PM