Polyvinyl formal acetal resin or PVF or PVFM or Vinylec

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Polyvinyl formal acetal resin or PVF or PVFM or Vinylec
Posting date : Jan 05, 2010
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Free Member Scince Apr 27, 2006
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Place of Origin
China [CN]
HS-CODE
29-
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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

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