What is the disadvantages of excessive addition of water reducer to concrete?
Water reducer is a commonly used admixture in concrete. However, if added in excessive amounts, it will have various negative impacts on the performance of the concrete, the construction process, and the final quality.
The Application of Polycarboxylate Superplasticizer in High-performance Concrete
Using polycarboxylate-based superplasticizer high performance water reducer as an admixture for high-performance concrete, it exhibits high water-reducing performance even at a low dosage. Experiments have shown that the polycarboxylate-based high-efficiency water reducer can significantly reduce the viscosity of concrete and effectively control the slump of concrete. The use of polycarboxylate-based superplasticizer high performance water reducer has a certain retardation effect on concrete setting. Comparative experiments have found that the setting time of concrete using polycarboxylate-based superplasticizer high performance water reducer is longer than that using sulfonated naphthalene-based superplasticizer high range water reducer. After 28 days, the concrete strength of using polycarboxylate-based superplasticizer high performance water reducer is more than 10% higher than that of using sulfonated naphthalene-based superplasticizer high range water reducer. The experiment also proves that when using polycarboxylate-based superplasticizer high performance water reducer, adding defoamer at the same time can reduce the air content of concrete and improve the strength of concrete.
Naphthalene-based Superplasticizer(SNF): A classic formula, a reliable choice in construction sites
In the field of concrete admixtures, with the continuous emergence of new materials, the market products have become increasingly diverse. However, there is a "veteran" that still holds a position in numerous construction projects - it is the naphthalene-based high range water reducer.
The Application of Polycarboxylate Superplasticizer/PCE in Gypsum
When the dosage of the polycarboxylate superplasticizer/PCE high-efficiency water reducer is 0.2% to 0.3% of the cementitious material's mass, the water reduction rate can reach 25% to 45%. It is generally believed that the polycarboxylate superplasticizer/PCE high-efficiency water reducer has a comb-like structure.
Dispersing Agent NNO-Leveling Agent in Leather Dyeing
Dyeing is an important process in the production of light leather. Through dyeing, leather can present various bright colors and increase the variety of colors to suit various uses. Leather dyeing not only needs to give leather a bright and pure hue, but also requires the color to be as uniform as possible and high dyeing fastness.
How is the performance of Dispersant NNO?
Our Dispersant NNO is Acid-resistant, alkali-resistant, heat-resistant, hard water-resistant, inorganic salt-resistant, can be used with anionic and non-ionic surfactants.
How to Use Dispersing Agent NNO?
Dispersing Agent NNOis used as a dispersant and filler for disperse and vat dyes. When processing disperse dyes or vat dye particles to fineness, Dispersing Agent NNO can be added to the grinder and sand mill together with the dye.
Dispersing Agent NNO used in Leather Industry
Dispersing Agent NNO as a pre-tanning agent in leather processing, which can make filling and soft. As auxiliary tanning agent in leather industry, used together with tanning agent to avoid tanning agent stick on with leather.
Dispersing Agent NNO used for Electroplating Industry
In the electroplating process, Dispersant NNO are mainly used for nickel electroplating of diamond powder. Its function is to evenly disperse the diamond powder in the electrolyte so that a uniform metal nickel film can be formed during the electroplating process.
What is the appropriate dosage of Polycarboxylate Superplasticizer for concrete?
Polycarboxylate superplasticizer is a high performance water-reducing agent used for concrete. It mainly plays the role of reducing water consumption and increasing concrete strength. It is suitable for normal concrete projects with strength levels from C15 to C60 and above.