Public material database / 公开物料数据库

KWLE Common Materials Library

A bilingual reference library for common powder, granule, and pellet materials, including typical bulk density, particle size, moisture, flowability, dust level, and handling notes.

常见包装物料特性参考，用于初步了解物料堆密度、粒径、水分、流动性、粉尘水平及包装处理要点。