The one product from VK is,

VK Jelly ( Gel / Paste form ) which is used to clean weld seams and surrounding areas and is applied with brush. It is used to remove heavy
scales, discolouration, annealing colours, rust particles near weld and welding affected area by heat without grinding or wire brushing or buffing.

VK Jelly does not give Black or Yellow marks on surface after washing with water.
VK Jelly does not necessarily require separate Passivation chemical process to be done.

Coverage : Approx. 100 meters of running weld seam per kg of VK Jelly

Other products in VK range includes,
VK Spray ( Semi - Gel form ) for applying on large SS equipments & pipes with special pressurised spray bottle ,
VK Dip ( Liquid form ) is `Fumeless' and used for dipping SS parts or circulating inside SS pipelines with pump,
VK Pass-1 ( Liquid form ) for passivation of General Industrial SS equipments,
VK Pass-2 ( Liquid form ) is Biodegradable Chelant Passivation for Pharma, food, beverage industries ,
NST-100 - metal Degreaser for removing oil, grease, buffing compounds etc. from surface