... sieve, there will be 25-27g residue left, LT-605 is used by hand operation ,machinery enameling and spraying. ... 3,Indexes and Parameter:a. Fineness: LT-605 there will be 25-27g residue by sieving 100g ... and without bubble structure after firing.4,Usage:LT-605: Soak the pre-grinding powder and water in proportion ... storage water heater tank enamel frits/glaze/coatings LT-605 made in china