How to seal the edge of the bathtub with KASTAR MS polymer sealant？

In this series of videos, you can see the use of KASTAR MS Polymer Sealants in different scenarios.
It can be used for aluminum alloy, doors and windows, glass curtain walls, roofs, kitchen countertops, sinks and kitchen equipment, toilets, sinks, pool units, wall and floor tile joints for sealing around.
Eco-friendly,No formaldehyde,no additives
Excellent bonding function
Easy to operate and fast curing
Good temperature resistance
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Website: / kastarmspolymersealant