Content :

Chemical synonyms: Polyvinylformalethynal; Polyvinylformalacetal resin.



Appearance =Lumps up to 40 mm, from white to light yellow COLOR

formal 7-14 8.06%

ethylal 58-74 61.47%

acid value 0.4max 0.28kohmg/g

water content 2.0max 1.52%

viscosity 200-2000 650mpa.s

Viscosity mesured of 10%-solution in solvents chlorbenzene : 2- ethoxyethanol (1:1). Viscosimeter Dia 5,4 mm), sec = 20-60


Chemical Structure:




Application: the resin is used in production of insulating, polyurethane varnishes and heat-resistant phenolphormaldehydepoly-vinylacetal glues.
Wire enamels (coatings)
Magnetic Tapes
Adhesives