... 2717.52 ♦4. Application Application fieldsMain applicationGrease oil refinedAdsorbent, decoloring agent, filtering agentBrewing and chemicalMolecular sieve used in chemical, sugar, ... spirit, decoloring agentBuildSound insulation, heat insulation material, coatingRubberSpecial filling agentWelding electrodeWelding flux burdeningTextile and chemicalCatalyst, suspending agent, thickening agent and ...