Inquiry (采购产品): industrial type ballons We are working in renewable energy sector in Sri Lanka.Please provide us a quotation for above said balloons of 5 ft diameter to store carbon monoxide and hydrogen. We think the material neoprene is ok as its permeability is nil or please recommend us that which material is most suitable for storing above gases. your immediate reply is highly appreciated.thanks **** Hidden Message ***** Nelson Rajaratna not relevant Company: Pelican Progas (Pvt) Ltd E-mail: nelsonrajaratna@yahoo.com **** Hidden Message ***** nelsonrajaratna@yahoo.com