... High hardness 4,Pass FDA test Water based wooden painting AdvantagesAdvantagesOil paintWater paintHealth and ... etcBottom MaterialsWater-based indoor paint bottom: oak,walnut,pinewood,maple,MDF etc.Water-based outdoor paint bottom: ... walnut,pinewood,birch,beech,MDF etc.Painting methodWater-based indoor paint painting: brush coating,spray paintingWater-based outdoor paint ...