The below video explains about:
What are bonding agents?
Why bonding agents are to be used?
Where the bonding agents are necessary?
What are the standards are there regarding the
bonding agents?
Watch the video:
Bonding agents for gypsum plaster (internal areas):
Standard BS 5270 say to use PolyVinylActate
(PVAC) bonding agent for gypsum plaster at internal areas
Many thanks to google.com and doc88.com from where the details have been collected.