T/CPCIF 0056-2020 Calcium oxide for use in calcium carbide production
T/CPCIF 0056-2020
Basic Information
Scope
Main technical content: Project technical indicators applicable to test items: - Total calcium (CaO) w/% ≥90.5 GB/T 3286.1 - Calcium oxide (CaO) w/% ≥87.0 HG/T 4205 - Magnesium oxide (MgO) w/% ≤1.6 GB/T 3286.1 - Silica (SiO2) w/% ≤2.0 GB/T 3286.2 - Insoluble matter in hydrochloric acid w/% ≤1.8 HG/T 4205 - Alumina + iron oxide w/% ≤2.7 GB/T 3286.3 GB/T 3286.4 - Sulfur (S) w/% ≤0.08 GB/T 3286.7 - Phosphorus (P) w/% ≤0.02 GB/T 3286.6 - Green firing rate w/% ≤7.0 - Appendix A: Activity w/% ≥350 YB/T 105 - Particle size (diameter 15mm-60mm) w/% ≥90 GB/T 15057.11 - Powder (diameter <15mm) w/% ≤5 - Note: The particle size of calcium oxide for calcium carbide is applicable to 25,500-40,500 KVA, and other furnace types shall be determined by agreement between the supplier and the buyer.