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1, straight thread Straight thread as the common standard type, thread front have 3-5 cm soft segment, there are also designed for a special
Main Purpose:1. For weatherproofing sealing nonstructural curtain wall joints, facade joints and system;2. Weather sealing in metal (not inc
1, straight thread Straight thread as the common standard type, thread front have 3-5 cm soft segment, there are also designed for a special
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