PVB WW-A-10 by Anhui Wanwei Group is a polyvinyl butyral (PVB) grade. It is made from polyvinyl alcohol and butyl aldehyde with hydrochloric acid as catalyst. Offers high transparency, good cold resistance... view more

PVB WW-A-20 by Anhui Wanwei Group is a polyvinyl butyral (PVB) grade. It is made from polyvinyl alcohol and butyl aldehyde with hydrochloric acid as catalyst. Offers high transparency, good cold resistance... view more

PVB WW-A-30 by Anhui Wanwei Group is a polyvinyl butyral (PVB) grade. It is made from polyvinyl alcohol and butyl aldehyde with hydrochloric acid as catalyst. Offers high transparency, good cold... view more

PVB WW-A-40 by Anhui Wanwei Group is a polyvinyl butyral (PVB) grade. It is made from polyvinyl alcohol and butyl aldehyde with hydrochloric acid as catalyst. Offers high transparency, good cold... view more

PVB WW-A-50 by Anhui Wanwei Group is a polyvinyl butyral (PVB) grade. It is made from polyvinyl alcohol and butyl aldehyde with hydrochloric acid as catalyst. Offers high transparency, good cold... view more

PVB WW-A-60 by Anhui Wanwei Group is a polyvinyl butyral (PVB) grade. It is made from polyvinyl alcohol and butyl aldehyde with hydrochloric acid as catalyst. Offers high transparency, good cold resistance... view more

PVB WW-A-70 by Anhui Wanwei Group is a polyvinyl butyral (PVB) grade. It is made from polyvinyl alcohol and butyl aldehyde with hydrochloric acid as catalyst. Offers high transparency, good cold... view more