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Ceramics And Building Sodium Tri Poly Phosphate Odorless CAS 7758-29-4
building sodium tri poly phosphate
,odorless cas 7758-29-4
,sodium tri poly phosphate odorless
Basic Properties
Trading Properties
PH Value 9.0-10.0 Industrial Sodium Tripolyphosphate CAS Number 7758-29-4 Used For Ceramics And Building
Product Description:
Sodium Tripolyphosphate (STPP), which is also referred to as pentasodium triphosphate or sodium triphosphate, has the chemical formula Na5P3O10 and a molecular weight of 367.86. It typically appears as white granules or powder with an apparent density ranging from 0.35 to 0.95 g/cm³. The compound has a high melting point of 622°C.
This substance is highly soluble in water, where it forms an alkaline solution. When dissolved, it undergoes gradual hydrolysis to produce orthophosphates. One of the key characteristics of Sodium Tripolyphosphate is its strong ability to chelate metal ions. It forms soluble complexes with various metal ions, including calcium, magnesium, and iron, which helps in softening hard water.
In addition to its chelating properties, STPP acts as an inorganic surfactant and shows some behaviors similar to those of organic surfactants, making it useful in various industrial applications.
Features:
This process effectively chelates hardness ions present in water, such as calcium ions (Ca²⁺) and magnesium ions (Mg²⁺). By doing so, it significantly reduces water hardness, which helps to limit the formation of inorganic salt deposits and scaling. This reduction contributes to better water quality and prolongs the lifespan of equipment affected by hard water.
It plays a crucial role in dispersing and suspending solid particles as well as liquid droplets throughout a mixture, thereby enhancing the overall stability and uniformity of the system. In formulations used for ceramics and building materials, this function is vital as it serves as a water reducer, degummer, and dispersant. The primary goal is to stabilize body and glaze slurries, making them easier to handle, flow, and shape, which ultimately improves the consistency of processes and the quality of the finished products.
This characteristic helps emulsify and peptize oily and protein-based soils, which results in better detergency and enhanced cleaning effectiveness. By breaking down and dispersing these soils, the cleaning agents can work more efficiently.
The formulation maintains a weakly alkaline environment, which is advantageous for removing acidic soils and sustaining the stability of the overall formulation. This pH buffering capacity ensures optimal performance throughout the application process.
Applications:
In the field of ceramics and building materials, this additive is utilized to enhance the stability of slurry and improve the forming performance during ceramic production. Its inclusion helps in achieving better consistency and quality in the final ceramic products.
When it comes to detergents and soaps, this substance acts as a builder in synthetic detergents and serves as a booster for soaps. This dual role enhances the overall cleaning efficiency, making cleaning processes more effective and thorough.
In industrial water treatment applications, the additive is employed as a water softener. It plays a crucial role in preventing scale formation and contributes to the improved stability of both process water and circulating water systems, thereby maintaining optimal operational conditions.
The leather and textile industries also benefit from this additive. It is used as a pre-tanning agent in leather manufacturing and functions as a dyeing auxiliary in textile production. These uses lead to more uniform tanning and improved dye uptake, resulting in higher-quality materials.
Additionally, the additive has various applications in coatings, mineral processing, drilling, and papermaking. It serves as a dispersant when preparing suspensions in products such as paints, kaolin, magnesium oxide, and calcium carbonate. In drilling operations, it acts as a dispersant in drilling fluids, and within the paper industry, it functions as a grease-proofing agent, enhancing the durability and functionality of paper products.
Specifications:
| Item | Index | ||
| Superior | Grade I | Grade II | |
| Whiteness /% ≥ | 85 | 75 | 65 |
| phosphorus pentoxide (P2O5)/% ≥ | 57 | 56.5 | 55 |
| Sodium Tripolyphosphate (Na5P3O10)/% ≥ | 96 | 90 | 85 |
| Water insoluble matter/% ≤ | 0.1 | 0.1 | 0.15 |
| Iron (Fe)/% ≤ | 0.007 | 0.015 | 0.030 |
| PH value (1% solution) | 9.2-10.0 | ||
| Granularity | Passes 1.00mm test sieving rate is higher than 95% | ||
Package and Storage:
Package:
STPP (Sodium Tripolyphosphate) is typically packaged in plastic woven polypropylene bags with a polyethylene inner lining to ensure moisture resistance and product stability. The standard packaging weight is 25 kg per bag, which facilitates easy handling and transportation.For bulk shipments, STPP is also available in jumbo bags or big bags with capacities ranging from 500 kg to 1000 kg.
Transportation&Storage:
During shipping, the product must be protected from moisture and contamination. It is recommended to store and transport STPP in a dry, well-ventilated area, away from incompatible substances such as acids.
Products should be securely loaded and stacked to prevent damage during transit. Compliance with local and international regulations for chemical transport must be ensured.
FAQ:
Q1: What is the brand name of the Sodium Tripolyphosphate product?
A1: The brand name of the Sodium Tripolyphosphate product is Shenglong.
Q2: Where is the place of origin for this Sodium Tripolyphosphate?
A2: This product is manufactured in China.
Q3: What certifications does this product have?
A3: The Sodium Tripolyphosphate product is certified with ISO9001.
Q4: What is the minimum order quantity and price range?
A4: The minimum order quantity is 25 metric tons (MT), and the price ranges from USD 800 to 1000 per MT on an EXW basis.
Q5: How is the product packaged and what is the typical delivery time?
A5: The product is packaged in woven bags with a plastic liner. The typical delivery time is between 7 to 14 days.
Q6: What are the payment terms available for purchasing this product?
A6: Payment can be made via T/T (Telegraphic Transfer), D/P (Documents against Payment), or L/C (Letter of Credit).
Q7: What is the annual supply capacity for this Sodium Tripolyphosphate?
A7: The supply ability is 100,000 metric tons per year.
