- Home >> Polyvinyl Alcohol(PVA) >> China pva for construction material

Appearance:White to ivory granule or powder Specific Gravity: 1.23~1.31 Bulk Density: 0.5~0.7 g/ml Storage Stability: Indefinite in dry storage Refractive Index at 20C 1.52~1.55 (anhydrous polymer) Specific Heat: 1.65~1.67 J/gC( 0.4 cal/g)