| 摘要 |
The use of a relatively tin vermiculite coating layer, preferably spray-applied as an aqueous dispersion of delaminated vermiculite platelets, over a (primary) spray-applied hydratable cementitious fireproofing coating, has been found surprisingly to provide fireproofing protection that equals or exceeds that provided by fireproofing used alone. Accordingly, the time, effort, and costs normally incurred by the need to achieve thick coating layers in conventional fireproofing are considerably decreased.
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