Polyurethane coated flame-retardant sealing rubber strip with high production efficiency and preparation method
The invention discloses a polyurethane coated flame-retardant sealing rubber strip with high production efficiency and a preparation method, and belongs to the technical field of sealing elements. The product comprises a first component and a second component, and the mass ratio of the first compone...
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Format: | Patent |
Sprache: | chi ; eng |
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