Custom toothbrush material
Toothbrush have handle and the bristle,brisle material generally use nylon most, it have normal nylon and have dupont nylon can choose, dupont nylon is biodegradable material, have certificate like below this link: Bristle: have PBT material, Dupont Nylon, And normal Nylon. PBT bristles have properties close to nylon 66 and 612 and…