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We are ORIGINAL FACTORY specialized in Construction Concrete & Mortar admixture with  more than 16 years，With a core competency and rich hist

BlastCem® GGBS is compliant with next standards: BS EN 15167-1, BS 6699:1992 (UK), ASTM C989-09 (US), JIS A6206-1997 (Japan), KSF 2563 2004 (South Korea

Quick Details Place of Origin: Shandong, China (Mainland) Brand Name: Hongsha Model Number: HSB Outward appearance: Brown-red powder Content of solid: >94%

The major constituent of this product is β- sulfonated naphthalene formaldehyde (FDN), and has the features of dramastic water reducing effect, low lead pr