T/LNFF 001-2024 Filter materials for the preparation of raw materials for new energy lithium batteries

Scope

Scope: This document specifies the classification and specifications, technical requirements, test methods, inspection rules, packaging, marking, transportation, and storage of filter materials used in the preparation of raw materials for new energy lithium batteries. This document applies to woven filter materials used in the preparation of lithium mica during the lithium carbonate production process. Main technical content: Technical requirements: 1. Intrinsic quality: The intrinsic quality requirements shall comply with relevant requirements. 2. Appearance quality: The evaluation of appearance defects shall be in accordance with the provisions of FZ/T64015–2023, Section 5.2.1. There shall be no serious defects on each 100 square meters of filter material, and the number of minor defects shall not exceed 3. 3. Filtration performance: The filtration performance of filter materials shall comprehensively consider the pressure and flux of solid-liquid materials in the production process of the purchaser. Under this pressure and flux, the appropriate specifications of filter materials shall be selected according to the size of the material particles to meet the requirement that the retention rate reaches more than 60%. If the purchaser has special requirements for the retention rate, the specifications of filter materials shall be designed and selected according to their requirements.

Development Information

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