The paper introduces the position of polyurethane sealants in the sealants for architectures. Their general reaction principles, properties and application techniques are also included.
介绍了聚氨酯密封胶在建筑用密封胶中所处的地位，基本反应原理、性能及施工技术。
The paper introduces the position of polyurethane sealants in the sealants for architectures. Their general reaction principles, properties and application techniques are also included.
介绍了聚氨酯密封胶在建筑用密封胶中所处的地位，基本反应原理、性能及施工技术。
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