As the used materials are innoxious, the invention is harmless to human bodies, low in cost and simple to manufacture, and has little smell, high bonding strength and favorable brushing property.
本发明因使用的原料无毒无害，因而不会对人体造成危害，成本低，加工简单，气味小，粘接强度高，涂刷性好。
As the used materials are innoxious, the invention is harmless to human bodies, low in cost and simple to manufacture, and has little smell, high bonding strength and favorable brushing property.
本发明因使用的原料无毒无害，因而不会对人体造成危害，成本低，加工简单，气味小，粘接强度高，涂刷性好。
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