calcium lignosulphonate

calcium lignin sulfonate Calcium lignin sulfonate is a kind of natural anionic surface active agent processed with sulfurous acid pulping waste through advanced production technology. It can work well with other chemicals and produce early strength agent, slow setting agent, antifreeze and pumping agent . It is widely used in various concrete projects such preformed concrete, reinforced concrete and prestressed concrete, especially applicable for commercial concrete, anti-freezing concrete, waterproof concrete, bulk concrete, pumping concrete, with high economic benefit. Technical index Index nameIndex Appearanceyellow brown powderLignin %≥55Moisture%≤7.0PH5-7Reductive matter %≤10Water insoluble matter %≤1.5Functions 1 Reducing 10% of water 2 increase 15% of strength in 3 to 28 days 3 improve the mix capacity 4 improve the life of concrete 5 lower the heat of hydration 6 It contains no chloride, it harmless to steel bar 7 It contains no basic active matter. Dosage 1 0.2-0.3% of cement Packing & storage 125kg in plastic film. lined woven bag, with the product name,net wt, manufacturer and address on the packing. 2 prevent from rain and moisture when storage; if agglomerated, please crush and make it into solution, and its effect will be the same. 3 The valid period is 2 years since the date when the product left the factory .