... -toxic 3,High hardness 4,Pass FDA test Water based wood coating AdvantagesAdvantagesOil paintWater paintHealth and environment Protection Thinning ... facilities’ indoor and outdoor wood surface finishing etcBottom MaterialsWater-based indoor paint bottom: oak,walnut,pinewood,maple,MDF etc ... .Water-based outdoor paint bottom: walnut,pinewood,birch,beech,MDF etc ...