Hupfu (shell powder) zvinoreva hupfu hunogadzirwa nekupwanya nekukuya matemhe.Yayo 95% yezvigadzirwa ndeye calcium carbonate, chitin, uye shoma shoma yeamino acids uye polysaccharides.Inogona kushandiswa sezvigadzirwa zvepamusoro zvechikafu, zvizoro uye zvekushongedza kwemukati, uye inoshandiswa muzvipfuyo nehuku.Kudyisa uye chikafu che calcium source additives, jewelry processing, desiccants, etc. Shell poda pendi iri kubuda imba yekuvandudza mukati memadziro pendi mumakore achangopfuura.

1. Adsorption ye formaldehyde 2. Chenesa mweya 3. Bvisa kunhuwa basa 4. Antibacterial uye antibacterial effects