<i>ALBESTER</i> 3870 Polyester resin Hexion Specialty Chemicals Polyester Coatings >> Powder Coatings Powder coating Albester 3870 is a general purpose resin to be cured at a ratio of 84/16 to 82/18 with both aromatic and aliphatic blocked isocyanates. Albester 3870 offers excellent flow, good flexibility, gloss, impact resistance, pigment wetting, and improved resistance to embrittlement upon aging of powder coatings. Hydroxl-terminated polyester, powder resin. Used for various powder coating applications. Offers very good flow and good flexibility. Provides good gloss and impact resistance. Possesses good pigment wetting and improved resistance.