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PVA BF 17 Polyvinyl Alcohol

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PVA BF Series :
Individual PVA grade varies in molecular weight (degree of polymerization) and degree of hydrolysis.

BF: Fully hydrolyzed PVA
BF(W): intermediate hydrolyzed PVA
BP: partially hydrolyzed PVA

The two-digit number indicates the degree of polymerization by one-hundredth; the higher the number, the higher degree of polymerization, so is the viscosity. Here are two examples. BF-17: Fully hydrolyzed PVA with degree of polymerization about 1700. BP-20: Partially hydrolyzed PVA with degree of polymerization about 2000.

Grades and Specifications

1. Standard Grades

GradeViscosity(cps)Hydrolysis(mole%)Volatile(wt%)Ash(wt%)pH
Fully Hydrolyzed
BF-2670-8098.5-99.2<5<0.75-7
BF-2458-6898.5-99.2<5<0.75-7
BF-24E58-6697-98.5<5<0.75-7
BF-22E50-5897.5-98.5<5<0.75-7
BF-2035-4398.5-99.4<5<0.75-7
BF-17H25-3099.4-99.8<5<0.75-7
BF-1725-3098.5-99.2<5<0.75-7
Partially Hydrolyzed
BP-35A100-12586-89<5<0.55-7
BP-2860-7086-89<5<0.55-7
BP-2650-5886-89<5<0.55-7
BP-2444-5086-89<5<0.55-7
BP-2027-3386-89<5<0.55-7
BP-20H27-3390-93<5<0.55-7
BP-1721-2686-89<5<0.55-7

Note : Above given data are of selected grades only.

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