
पॉली कार्बोक्झिलेट सुपरप्लास्टिकायझर म्हणजे काय? मुख्य वैशिष्ट्ये काय आहेत?
Polycarboxylate superplasticizer is the third generation of high-performance superplasticizer. At present, Chengli Building Materials R&d and production of polycarboxylic acid-based high-performance water reducers can generally