asbestos free material的意思|示意

We need 100% asbestos free material.

我们需要100％不含石棉材料。

By a given moulding technique condition, the details of contents for producing asbestos-free calcium silicate board, the primary material for the fire duct, were discussed.

研究了一种新型耐火风管的制造方法，探讨了在一定的工艺条件下耐火风管主材-无石棉硅酸钙板的模压成型配方。

Developing, applying and expanding asbestos-free gaskets is proposed to prevent from the hazards caused by asbestos dust in production process for gaskets material.

为杜绝垫片材料加工制造过程中石棉粉尘引起的危害，应大力开发和应用推广不含石棉的密封垫片。

Formula is an important impacting factor of the asbestos-free latex sealing material in performance.

配方是影响无石棉胶乳抄取密封材料性能的重要因素。