Sodium lignosulphonate HS CODE: 3804000090 (Used as ceramic additive, concrete additive, water reducing agent) Calcium lignosulphonate (Used as ceramic additive, concrete additive, water reducing agent) Sodium Gluconate HS CODE: 2918160000(SG99%,Used as food additives,water reducing agent and retarder) Sodium Naphthalene Sulfonate Formaldehyde HS CODE: 3824401000 (SNF,Used as concrete additive,water reducing agent)
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