hi i have for sale unused 3m 77 spray 475 gms. Cost 750 rs plus shipping. It wil cost you 22 $ plus shipping if bought new. In India costs about 1300-1400 rs . Its foam safe. This is what Shumate recommends and uses in his foam models. It also a very good and easy to use adhesive. Free pickup in hyderabad. Please contact 9435485533 o sravan.af@gmail.com

link

http://www.ebay.com/itm/NEW-3M-SUPER-77-MULTIPURPOSE-ADHESIVE-SPRAY-/221339226914?pt=LH_DefaultDomain_0&hash=item3388d89322