Huakai ®PVB resin standard: Q/ tyg.j001-2014

PVB Polyvinyl ButyralCAS RN: 63148-65-2 physical and chemical properties: white powder or particle. Products formed by coating has high transparency, flexibility, toughness, strong alkali resistance, oil resistance and low temperature impact resistance and other excellent characteristics, at the same time, the glass, metal, ceramic powder, plastic, wood, leather and so on all have excellent stick relay, moreover has the good dispersion of pigment and dye, also has good compatibility with other resins.

• project		HK-2	HK-3	HK-5	HK-6	HK-8	HK-12	HK-14	HK-16	HK-17	HK-20
  appearance		White powder or granules
  Size (20 mesh) under sieve (m/m), %		100.0
  Volatile (m/m), %		≤3.00
  Viscosity (20℃±0.2℃, 10% ethanol solution), (s)		1-2	3-5	5-6	6-7	8-15	15-30	30-50	50-80	80-160	160-240
  Viscosity (20℃±0.2℃, 10% ethanol solution), (mpa.s)		15-25	25-50	50-70	70-100	100-200	200-400	400-750	750-1200	750-2800	2800-3800
  Free acid (in HCl) (m/m), %		≤0.05
  Vinyl butanyl (m/m), %		68.0-80.0
  transparency	430nm	≥85
  	660nm	≥93

The company 100% use their own production of PVB resin production of PVB intermediate film