WUHAN XINYINGDA CHEMICALS CO., LTD

Sodium Gluconate is an organic compound with the chemical formula C₆H₁₁NaO₇, which is the sodium salt of gluconic acid. It is a white or slightly yellow crystalline powder, easily soluble in water, insoluble in alcohol and ether. Due to its good chelating, buffering and biodegradability, it is widely used in many fields.   Main characteristics Excellent chelating ability: It can combine with metal ions such as calcium, iron, and aluminum to prevent the influence of metal ions in water on the product.   Good biodegradability: It can be degraded by microorganisms and is environmentally friendly.   Buffering performance: It can adjust the pH value of the solution to keep it in a stable range.   High solubility: It is easily soluble in water and easy to use.   Main uses Industrial applications   Concrete additives: As a retarder and plasticizer, it improves the fluidity of concrete, prolongs the setting time, and enhances the strength.   Metal surface treatment: It is used for metal cleaning, rust removal, etc. to prevent metal ion precipitation.   Water treatment agent: used as a chelating agent to prevent scale formation and improve the stability of industrial circulating water.

DyePro N is mainly based on naphthalene sulfonate formaldehyde condensate (NSF), which is an anionic surfactant widely used in the dye industry to improve the dispersibility and stability of dyes.   Features and applications of DyePro N 1. Main features ✅ High-efficiency dispersion: prevents dye particles from agglomerating and improves dyeing uniformity. ✅ Applicable to a variety of dyes: especially suitable for disperse dyes, direct dyes, and acid dyes. ✅ Strong electrolyte resistance: adapts to different pH and water quality environments and has good stability. ✅ Low foam and environmental protection: has no effect on dyeing process and is easy to biodegrade.   2. Main application areas Disperse dyes: improve the stability of water-based disperse dyes, reduce sedimentation, and increase dyeing rate. Direct dyes: optimize the dyeing effect of cellulose fibers (such as cotton and viscose) to prevent color spots and color flowers. Acid dyes: improve the dyeing uniformity of wool, silk, and nylon and prevent dye agglomeration. Dye grinding and formulation: used for wet grinding of dye powder to improve the fluidity and storage stability of dye slurry. 3. Typical dosage Dye dispersion system: generally recommended 1%-5% (relative to dye mass). Dyeing process: used for dye bath, recommended 0.5%-2% (by dye liquor weight). Summary DyePro N, as a NSF-based dispersant, is mainly used for disperse dyes, direct dyes and acid dyes. It can effectively improve the dispersibility, fluidity and dyeing uniformity of dyes and is widely used in dye manufacturing, textile printing and dyeing, leather dyeing and other fields.

Dispersant MF is a common anionic surfactant. Its main component is methyl naphthalene sulfonate. It is often used in dyes, pigments, pesticides and other fields. Its main function is to improve dispersion performance and prevent particle aggregation and sedimentation. The following are the main features and applications of dispersant MF:   1. Main component Methyl Naphthalene Sulfonate Formaldehyde Condensate   2. Main features Good dispersibility: It can effectively disperse dyes, pigments and other solid particles that are insoluble in water.   Acid and alkali resistance: It is stable in a wide pH range and generally maintains good performance between pH 4-12.   Good thermal stability: It is suitable for high temperature environments, such as printing and dyeing and papermaking processes.   Strong compatibility: It can be used in combination with other additives and surfactants.   3. Main uses Dye industry: It is used as a dispersant for disperse dyes and vat dyes to improve the dispersion stability of dyes and prevent precipitation and agglomeration.   Pigment industry: It is used to disperse pigments such as carbon black and iron oxide to improve the stability of color paste. Pesticide industry: used as a dispersant for wettable powder (WP), water dispersible granules (WDG) and other preparations to improve drug efficacy. Ceramic industry: used for dispersing ceramic glazes and mud to prevent sedimentation and improve uniformity. Papermaking industry: can be used as a pulp additive to enhance paper dyeing effect. Concrete industry: used in cement and concrete systems to improve fluidity and reduce water-cement ratio. 4. Physical and chemical properties Appearance: brown powder or brown liquid Solubility: easily soluble in water pH value (1% aqueous solution): about 7-9 Active ingredient: usually ≥90% (powder) or 40-50% (liquid) Ionicity: anion 5. Difference from dispersant NNO Dispersant MF uses methylnaphthalene as the main raw material, has strong dispersing ability, better high temperature resistance and acid and alkali resistance, and is often used for high temperature dyeing. Dispersant NNO uses naphthalene as the main raw material, has slightly weaker dispersing performance, but is widely used in textile printing and dyeing, concrete, and has a low cost.

Dispersant NNO is an anionic surfactant with excellent dispersing and wetting properties. Its main component is a water-soluble polymer formed by the condensation of β-naphthalenesulfonic acid and formaldehyde.   2. Physical properties Appearance: light yellow or brown powder or liquid Solubility: easily soluble in water, insoluble in organic solvents pH value (1% aqueous solution): about 7-9 Ionicity: anionic Thermal stability: good, heat resistance is better than some ordinary dispersants Compatibility: can be used with other anionic or non-ionic surfactants 3. Main functions Dispersing effect: prevent solid particles (such as pigments, dyes, mineral powders, etc.) from agglomerating and settling in liquids. Wetting effect: reduce the surface tension of the liquid and improve the dispersibility of solid particles in the liquid phase. Improving fluidity: reducing the viscosity of the slurry, improving fluidity and stability. Electrolyte stability: has a certain tolerance to acid, alkali and hard water. 4. Main application areas Dye and pigment industry As a dispersant for dyes (such as disperse dyes and reactive dyes), it improves dyeing uniformity and stability. Used in coatings, inks, textile printing and dyeing systems, improves pigment dispersion and prevents sedimentation. Rubber and synthetic emulsion industry As a dispersant stabilizer for emulsion polymerization such as SBR (styrene-butadiene rubber) and NBR (nitrile-butadiene rubber). Enhance the stability of latex, prevent coagulation and sedimentation, and improve product quality. Concrete and building materials As a cement water reducer, it improves the fluidity of concrete, reduces the amount of cement, and enhances the strength of concrete. Improve the dispersibility of cement paste and improve construction performance. Pesticide industry As a dispersant for pesticide wettable powders (WP) and water-dispersible granules (WDG), it improves the dispersibility and suspension of pesticides in water. Papermaking and ceramic industry Improve the dispersion of fillers and pigments in the papermaking process and improve the uniformity of paper. Used for the dispersion of porcelain mud and glaze in ceramic production to improve molding quality. 5. Advantages and limitations ✅ Advantages:   Strong dispersibility, suitable for a wide range of water-based systems. Cost-effective, easy for large-scale industrial applications. Has a certain electrolyte resistance and can be used under different pH conditions. ⚠ Limitations:   Stability may be affected to a certain extent under high temperature or strong acid and alkali environment. Poor compatibility with some special polymer materials, need to be used with other dispersants. 6. Typical dosage In dye and pigment dispersion, the commonly used dosage is 0.5%-3% (relative to solid particles). In the concrete and cement industry, the dosage as a water reducer is generally 0.2%-1.5% (relative to cement mass). Summary Dispersant NNO is a commonly used anionic dispersant, mainly used in dyes, pigments, rubber, construction, ceramics and other fields. Its core function is to disperse solid particles, prevent sedimentation, improve stability and fluidity, and perform well in water-based systems

Triisopropanolamine (TIPA) is a common cement grinding aid and enhancer, belonging to the class of organic amine compounds. It is widely used in cement grinding process, and its main functions are to improve grinding efficiency, reduce energy consumption, and improve the early and late strength of cement.   2. Main components and chemical properties Chemical name: Triisopropanolamine (TIPA) Chemical formula: C₉H₂₁NO₃ Molecular weight: 191.27 g/mol CAS number: 122-20-3   Appearance: Colorless to light yellow transparent liquid or solid (may crystallize at low temperature) Solubility: Easily soluble in water and alcohols, slightly soluble in ether and benzene solvents pH value: Alkaline 3. Main functions (1) Grinding aid TIPA can be adsorbed on the surface of cement particles, reducing electrostatic attraction and agglomeration between particles, reducing the internal friction of cement, and thus improving grinding efficiency. Reduce ball mill energy consumption and increase mill hourly output. (2) Improve cement strength The early strength has little effect (0-7 days). Improve late strength (28 days and beyond): TIPA can promote the reaction between C₄AF (tetracalcium aluminoferrate) and Ca(OH)₂, generate more hydration products, and improve late strength. (3) Reduce the extension of cement setting time Some grinding aids (such as TEA, triethanolamine) may cause the cement setting time to be extended, while TIPA has little effect and helps maintain the appropriate setting time. (4) Improve cement adaptability In cement systems with high admixture content (such as slag cement, fly ash cement), TIPA can improve the hydration capacity of active components, thereby optimizing cement performance. 4. Usage method Recommended dosage: The dosage of TIPA in cement is usually 0.01% to 0.05% (based on cement mass ratio). Usage method: It can be used alone or in combination with other grinding aids (such as ethylene glycol, TEA, etc.) to optimize performance. It can be added directly to the ball mill or added after being prepared into an aqueous solution. 6. Applicable fields Ordinary Portland cement Slag cement, fly ash cement, composite cement High-strength cement Cement products that need to improve the later strength, such as prefabricated parts, concrete pipe piles, etc. 7. Precautions TIPA has a significant improvement in the later strength, but has little effect on the early strength, so the formula needs to be adjusted according to specific needs. Crystallization may occur in low temperature environments, and it needs to be heated and dissolved before use. When stored for a long time, it needs to be sealed to prevent moisture absorption and oxidation. 8. Summary TIPA (triisopropanolamine) is a high-efficiency cement grinding aid with good grinding effect and can significantly improve the later strength of cement. It is suitable for various cement systems. Compared with TEA, it has less effect on cement setting time and is more suitable for cement formulas with higher admixtures.   If you need more detailed usage suggestions or formula optimization, you can tell me the specific cement type and application requirements!

1. Introduction to DEIPA DEIPA (Diethanol Isopropanolamine) is an organic amine compound commonly used as a cement grinding aid. It has excellent grinding aid and improves the early and late strength of cement. It is a substitute for **TEA (triethanolamine) and TIPA (triisopropanolamine), especially in improving the late strength of cement.   Chemical formula: C7H17NO3   Appearance: light yellow to colorless transparent liquid   Solubility: easily soluble in water, with good dispersibility   pH value (1% solution): 9-11   2. Effects and advantages of DEIPA ✅ Improve cement grinding effect   Reduce the electrostatic adsorption between cement particles, reduce the agglomeration of fine powder, and improve grinding efficiency.   Reduce the power consumption of the mill, increase the specific surface area and particle uniformity of cement.   ✅ Improve cement strength (especially late strength)   Early strength (1-3 days): slightly weaker than TIPA, but better than TEA.   Late strength (28 days and above): significantly improved, equivalent to or better than TIPA.   ✅ Reduce free lime in cement and improve hydration efficiency   Promote the hydration of C₃S (tricalcium silicate) and C₂S (dicalcium silicate), improve cement coagulation performance and durability.   Reduce the volume expansion problem caused by free lime and improve the stability of concrete.   ✅ Excellent environmental performance   Chlorine-free, low toxicity, low volatility, reduce corrosion to equipment, and be more environmentally friendly.   Can partially replace TEA and TIPA, reduce total cost, and improve comprehensive cost performance.   3. Application areas Cement grinding aid: used alone or compounded with TEA and TIPA to optimize cement performance.   Concrete admixture: Improve the early strength and durability of concrete.   Other building materials applications: Suitable for gypsum board, refractory materials and other industries as a grinding aid and enhancer.   4. Recommended addition amount Grinding aid formula: DEIPA accounts for 5%-50% (overall mass of grinding aid).   Cement content: 0.01%-0.2% (relative to cement mass).   Optimal usage: The specific addition amount needs to be adjusted according to the cement type, formula and target performance, and 0.05%-0.15% is generally recommended.   6. Conclusion DEIPA is an efficient and environmentally friendly cement grinding aid with excellent grinding aid, late strength improvement ability, and environmental protection. It can partially or completely replace TEA and TIPA and has become an important choice in the cement grinding aid industry.

Sodium Naphthalene Sulfonate Formaldehyde (SNF) is an anionic surfactant and belongs to the naphthalene-based superplasticizer. It has good dispersibility, high water reduction rate and strengthening effect. It is one of the most widely used traditional water reducers in the field of concrete admixtures. 2. Main performance characteristics ✅ High water reduction rate (15%-25%), significantly reducing the amount of water used in concrete mixing and improving strength. ✅ Improve fluidity, enhance the pumpability and workability of concrete. ✅ Enhance the early and late strength of concrete, and improve the compressive and flexural strength. ✅ Does not contain chloride ions, will not corrode steel bars, and improve the durability of concrete. ✅ Wide adaptability, suitable for various cements and mineral admixtures. ✅ High cost performance, lower cost than polycarboxylate water reducer, widely used in conventional concrete projects. 3. Main application areas SNF is a classic naphthalene-based water reducer, suitable for various concrete and cement-based materials, such as: (1) General Concrete Applicable to C15-C60 grade general concrete to improve construction performance. (2) Pumped Concrete Enhance the pumpability of concrete, reduce pipeline blockage, and improve construction efficiency. (3) Precast Concrete Improve early strength, shorten demoulding time, and improve precast production efficiency. (4) Mass Concrete Control water-cement ratio, reduce shrinkage cracks, and improve durability. Typical applications: dams, underground projects, and infrastructure construction. (5) Mortar & Cement Products Used for self-leveling mortar, dry mortar, grouting materials, brick and tile products, to improve fluidity. (6) Ceramics & Refractories As a dispersant, it improves the rheological properties of ceramic green bodies and refractories and improves the molding quality. 4. Usage Recommended dosage: 0.5%-1.5% (by cement mass ratio). It can be directly added to concrete or used in combination with retarders, air entraining agents, etc. It is recommended to conduct a compatibility test before use to optimize the mix ratio. 6. Conclusion Sodium naphthalenesulfonate formaldehyde condensate (SNF) is a cost-effective and widely used classic naphthalene-based high-efficiency water reducer. It is widely used in ordinary concrete, pumped concrete, prefabricated components, mortar and ceramics. Although its slump retention is not as good as that of polycarboxylate water reducer (PCE), it is still one of the preferred admixtures for many engineering projects due to its good water reduction effect and low cost advantages.

Introduction to Polycarboxylate Superplasticizer (PCE) 1. What is Polycarboxylate Superplasticizer? Polycarboxylate Superplasticizer (PCE) is a new generation of high-performance concrete admixture with high water reduction rate, good slump retention, environmental protection and high adaptability. Compared with traditional naphthalene and melamine water reducers, polycarboxylate superplasticizer has better performance and has become the preferred admixture for **modern high-performance concrete (HPC)**. 2. Main performance characteristics of polycarboxylate superplasticizer ✅ High water reduction rate (25%-40%): significantly reduce the water consumption of concrete and improve strength. ✅ Good fluidity: greatly improve the fluidity of concrete, suitable for self-compacting concrete and pumping construction. ✅ Excellent slump retention: maintain the workability of concrete for a long time, suitable for long-distance transportation. ✅ Environmental protection: does not contain formaldehyde, is environmentally friendly, and meets the requirements of green buildings. ✅ Strong adaptability: suitable for different types of cement, mineral admixtures and different construction conditions. ✅ Low shrinkage: Reduce shrinkage and cracks of concrete and improve durability. 3. Main application areas Polycarboxylic acid high-efficiency water reducer is suitable for various concrete projects, especially those that require high fluidity, high strength and high durability, such as: (1) High-strength concrete Applicable to high-strength concrete of C50-C100 and above, improve early strength and shorten construction period. Typical applications: high-rise buildings, bridges, and large-span structures. (2) Pumped concrete Enhance the pumpability of concrete and improve construction efficiency. Applicable to high-rise buildings, large-volume concrete, and long-distance pumping. (3) Self-leveling and self-compacting concrete Applicable to floor projects and underground projects, reduce vibration and improve construction quality. (4) Mass Concrete Low water-cement ratio, reduced hydration heat, and prevent cracking of mass concrete. Typical applications: dams, tunnels, nuclear power plants, ports. (5) Precast Concrete Improve early strength, accelerate demoulding, and improve production efficiency. Applicable to factory production of precast beams, pipe piles, PC components, etc. (6) Durable Concrete Improve impermeability, frost resistance, and sulfate corrosion resistance, and extend the service life of concrete. Applicable to marine concrete, underground structures, and transportation infrastructure. 4. Usage method Recommended dosage: 0.1%-0.3% (by cement mass ratio). It can be used alone or compounded with retarders, air entraining agents, etc. to improve comprehensive performance. It is recommended to conduct a compatibility test before use to optimize the mix ratio. Polycarboxylate high-efficiency water-reducing agent (PCE) is currently the most advanced concrete admixture, widely used in high-strength, pumpable, self-leveling and precast concrete. It has high water reduction rate, excellent slump retention, environmental protection and high adaptability.

Melamine-Based Superplasticizer is a high-performance water-soluble polymer with excellent dispersibility, high water reduction rate and good plasticity. It is widely used in many industries, especially in concrete, building materials and other industrial fields. 1. Concrete Engineering Field (1) High-Strength Concrete Improve the fluidity of concrete and increase the strength while maintaining a low water-cement ratio. Applicable to C50-C80 and above high-strength concrete, such as bridges, tunnels, skyscrapers, etc. (2) Self-Leveling Concrete Due to its excellent fluidity, it is suitable for self-leveling floors and non-vibration concrete. (3) Precast Concrete Applicable to pipe piles, sleepers, bridge components, wall panels, etc., to improve demoulding speed and production efficiency. (4) Mass Concrete In concrete structures with high cement consumption, such as dams, nuclear power plants, and infrastructure construction, it can reduce hydration thermal cracks. (5) High Performance Concrete (HPC) Applicable to concrete that requires high compressive strength, low shrinkage, and high durability, such as marine engineering and underground engineering. 2. Mortar and cement products (1) High-Flow Mortar Used in tile adhesives, grouting materials, and repair mortars to improve construction performance and strength. (2) Dry Mortar Applicable to plaster mortar, self-leveling mortar, waterproof mortar, etc. to improve construction performance. (3) Cement-Based Self-Leveling Compounds Used in industrial floors and seamless floors to improve leveling accuracy. 3. Gypsum products (1) High-strength gypsum Used in gypsum products, gypsum boards, decorative gypsum, improve fluidity and reduce water consumption. (2) Gypsum self-leveling floor Suitable for floor leveling to improve construction efficiency. 4. Ceramics and refractory materials (1) Ceramic slurry & glaze As a dispersant, it improves the fluidity of ceramic slurry, reduces moisture, and improves molding quality. (2) Refractory castables Used in blast furnace linings, steel smelting furnace linings, and refractory bricks, improves density and high temperature resistance. 5. Other industrial applications (1) Textile and papermaking As a dispersant, it improves the fluidity of textile slurry and papermaking coating liquid. (2) Chemical building materials Used in polymer mortar, modified asphalt, water-based coatings, etc. to improve rheological properties. Summary Melamine high-efficiency water reducer is mainly used in industries such as concrete, mortar, gypsum, ceramics, and refractory materials. It is especially suitable for products with high performance requirements such as high-strength concrete, prefabricated components, self-leveling floors, and refractory materials. Its high water reduction rate, good fluidity, and low shrinkage properties make it an important admixture in various types of building and industrial materials.