Qingdao Uformwork New Building Materials Co.,Ltd: Find professional wall formwork, column formwork, beam formwork, bridge formwork, tunnel formwork manufacturers and suppliers in China here! Please
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Methyl fluorosilicone oil is polymerized from fluorosilicone monomers, and the two ends of its molecule are organic silicon modified materials with hydroxyl groups.
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1.Executive Standard: GB2626-2006
2. More wider edge provide more comfort.
3. Disposablemask, non-reusable.
4. Large inner space to help the user to breathe more easily.