Sodium lignosulfonate has adsorption and dispersion effects on cement and can improve various physical properties of concrete. Adding sodium lignosulphonate to concrete can reduce water consumption by more than 13%, improve the workability of concrete, and can greatly reduce the heat of hydration in the early stage of cement hydration. In
WhatsAppعرض المزيدVarious types of admixtures are used in concrete to enhance the performance of concrete. Concrete admixture is defined as the material other than the aggregate, water and cement added to the concrete. Types of Concrete Admixtures Concrete admixtures are of different types and
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WhatsAppعرض المزيدSodium lignosulphonate is a common water reducer in concrete and its raw material is lignin. It can be used in a mortar to improve the workability, fluidity, and strength of concrete. The water reduction rate of sodium lignosulphonate is between 5% and 10%. Sodium lignosulphonate has three functions.
WhatsAppعرض المزيد3. Sodium Naphthalene Sulfonate (SNF/PNS/FND/NSF). The naphthalenebased highefficiency water reducing agent has strong adaptability to cement. It is especially suitable for fluid concrete with high water reduction and enhanced requirements, steamed concrete, and it can also be used as a matrix material for composite admixtures.
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WhatsAppعرض المزيدSuccessful use of admixtures depends on the use of appropriate methods of batching and concreting. Most admixtures are supplied in readytouse liquid form and are added to the concrete at the plant or at the jobsite. Product Introduction. Mr. Expert is Lignosulphonate base water reducing cement/concrete admixture.
WhatsAppعرض المزيدCalcium Lignosulphonate China Giant concrete admixture. the field of concrete additives, the sodium lignosulphonate series products can be applied as common water reducing admixture and built material of series multifunction highperformance water reducing admixtures.
WhatsAppعرض المزيدSodium benzoate is also an accelerator of compressive strength. It is found that calcium lignosulphonate decreased the rate of corrosion of steel embedded in the concrete, when the steel reinforcement in concrete is subjected to alternating or direct current.
WhatsAppعرض المزيدProduct description: sodium lignosulphonate in different grades, mix pulp, straw pulp, MN1, MN2 1, In the filed of concrete admixture, It can improve the workability and water of concrete, reduce the initial heat of hydration of cement, as the common water reducing mixture.
WhatsAppعرض المزيد5. For compensating the retarding effects of some other admixtures. Accelerating Agents: Usually chlorides of calcium, aluminium and sodium, the sulphates of sodium and potassium, caustic soda, caustic potash, certain silicates, carbonates, triethanolamine and fluosilicates etc. are used for accelerating and hardening agents in concrete.
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WhatsAppعرض المزيد· Concrete Admixtures: AirEntrainment . Air entrained concrete can increase the freezethaw durability of concrete. This type of admixture produces a more workable concrete than nonentrained concrete while reducing bleeding and segregation of fresh concrete. Improved resistance of concrete to severe frost action or freeze/thaw cycles.
WhatsAppعرض المزيدAntiwashout admixtures. Antiwashout admixtures concrete offers superior performance when the concrete is in a fresh state. By adding an antiwashout admixture to concrete and its viscosity is increased, There are a variety of types of antiwashout admixtures, such as those based on the cellulose system and the acrylic system.
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WhatsAppعرض المزيدSodium lignosulfonate waterreducing agent used in concrete admixture has the characteristics of low content, low gas content, and strong adaptability to cement. The most remarkable feature is that the liquid admixture produced by sodium lignosulfonate and naphthalene sulfonate has no precipitate.
WhatsAppعرض المزيدConcrete water reducer is the biggest application field of sodium lignin sulfonate powder. Sodium lignosulfonate in concrete plays the roles of retarder and waterreducing admixture. It is an anion surfaceactive agent, and its absorption and dispersive action to cement can improve various physical properties of concrete.
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