KINGKOTE products are the kinds of water-based Acrylic Coating except KK799 and KK988. KK799 is a type of water-based Intumescent Fireproof Coating where KK988 belongs to intrusive type (water resistant).
There are many factors that affect the shelf life of the coating. An unused pail of coating has a shelf life of more than 5 years. For a used coating, it depends on the condition it is used and kept.
No, it will not bring any side effect to our body.
Because KK699 made from a kind of mineral powder so we must stir well before use it.
All series of coating e.g. KK699, KK968, KK918, and KK799 can mix with water (maximum 5%) besides KK988. However, KK233 can be mix with water depends on the application area or method.