Aluminum and aluminum silicate insulation cotton is filled externally to offer good thermal insulation performance and a constant temperature zone in a sufficient length.
外填充铝和硅酸铝保温棉以起到良好的保温性能和充分长度的恒温区。
While silicate glass wool rock wool can also be made of cotton insulation composite shell.
同时岩棉亦可与玻璃棉硅酸铝棉复合制成保温管壳。
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