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US4586958A Process for producing a fire-resistant, light-weight construction board 失效
生产耐火轻质建筑板的工艺

Process for producing a fire-resistant, light-weight construction board
摘要:
A fire-resistant and light-weight construction board is prepared by treating fly ash and/or paper sludge incineration ash to a swelling treatment with a mineral acid and shaping and hardening the resultant mixture.
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