I will start off by saying this, don't worry too much or buy into coating thickness. In the grand scheme it is still a thin layer that is susceptible to swirls and scratches with improper care. This goes for any coating. Apply it and enjoy it.Originally Posted by Quartzphene
One coat is fine but two would also be fine. You may get more durability with the second coat.
From the product description if this helps.
Specifications:
Durability: 6-12 Months
Average Thickness: 1 Micron
Coverage 15ml-50ml per coat depending on method of application
Water contact angle: 110°
Minor filling
Recommended working temperatures: 40F to 100F
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