Copolymer 186

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TYPICAL VALUES
Product Name
Acid Value
Maximum
Gardner
Color
Maximum
Viscosity
(Stokes @25C)
Viscosity
(G-H)
 Saponification
Value		 Iodine
Value		 Specific
Gravity		 Pour
Point,
deg.F
Copolymer 186
16
 10 250.0 Z8 166 128 0.968 -1

Copolymer 186 is a Castung® derivative used in the preparation of quality varnishes and coating vehicles by cold-blending with selected resins at room temperature. Copolymer 186 has excellent compatibility with a wide range of resins at room temperature. It yields coatings with excellent exterior performance as clears, anticorrosive primers and coatings, aluminum paints and primers, blister resistant wood primers and for upgrading alkyd coatings.s

Characteristics
  • Produces vehicles with outstanding properties
  • Improvement in total properties over conventional drying oils
  • Not related to products obtained by copolymerizing a drying oil with styrene, vinyl toluene, maleic anhydride or acrylic monomers
Applications
  • Superior clear exterior finishes
  • Alkyd modification
  • Performance directly related to the resin-type with which it is combined; pure phenolic and modified phenolic resins; rosin esters; hydrocarbon (petroleum and coal tar origin); chlorinated rubbers

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