Bond It PVA Adhesive & Sealer is a high strength all purpose premium quality primer, sealer and bonding agent, it is fast drying and can be used on cements and plaster to improve adhesion and reduce cracking. It primes and seals porous surfaces and has a very high bond strength. Applications: Plaster primer, porous surface primer and sealer. Rendering key coat for internal applications. Admixture. Dust sealer. General purpose adhesive for bonding all common construction materials. Phthalate free formulation (safer to use).