polycarboxylate ether superplasticizer Companies need representative A. Standard Packing ofPolycarboxylate Ether Superplasticizer: In 25kg paper bags inner with PE bags B. Big Bag or other special packages are possible on request. Not more than 12 months under condition 5-35degree, dry and cool. Prevent direct sunlight, moisture and be pressed for caking. When it is more than 12 months, it still could be used if there is no caking.