Diatomaceous earth for casting pipe coatings is a specialized functional filler for the foundry industry, manufactured through high-temperature calcination and precision classification of natural diatomite. Its unique microporous structure (specific surface area ≥150 m²/g) and exceptional refractoriness (melting point >1600°C) optimize the suspension properties and coating uniformity of casting paints, effectively preventing metal penetration and sand adhesion defects.As a high-performance diatomaceous earth product for casting coatings, it exhibits strong chemical inertness and generates no harmful gases at elevated temperatures. Compatible with both water-based and alcohol-based coating systems, it significantly improves the surface finish of castings while reducing porosity by over 30%.The addition of this material enhances coating crack resistance by 20%-25% and reduces coating consumption by approximately 15%, supporting the foundry industry in achieving quality improvement, cost reduction, and environmentally friendly production.This advanced filler combines superior technical performance with sustainability benefits, making it an ideal solution for modern foundry applications that demand both operational efficiency and environmental responsibility. The material's balanced properties address key challenges in metal casting while promoting greener manufacturing practices.
Source factory, high quality and low price
Low density, high whiteness, Low vorticity, high purity
Typical Physical & Chemical Properties
Grade | TP200 | TP450 | TP750 | TP950 | TH31 | TH33 | TH35 | TH37 | TH39 |
Colour | Pink | Pink | Pink | Pink | white | white | White | White | White |
GEB rightness | - | - | - | - | 91 | 90 | 90 | 90 | 89 |
Moisture (%) | 0.21 | 0.21 | 0.22 | 0.23 | 0.22 | 0.22 | 0.23 | 0.23 | 0.25 |
sieve analysis(%)+200 Mesh | 0.5 | tr | tr | tr | tr | tr | tr | tr | tr |
sieve analysis(%)+325 Mesh | 0.9 | 1 | 0.1 | tr | 8.5 | 1 | 0.3 | 0.1 | tr |
Median Particle Diameter(um) | 28.6 | 15.8 | 10 | 5.8 | 25.2 | 22.6 | 16.3 | 10.2 | 7 |
PH | 6.8 | 6.8 | 6.9 | 6.9 | 9 | 9 | 9.3 | 9.3 | 9.5 |
1、Tyler Screen;+200 mesh= > 74 microns、+325 mesh= > 47 microns | |||||||||
Product Grades | SiO2(%) | Al2O3(%) | FeO3(%) | CaO(%) | MgO(%) | Loss on lgnition (%) | Refractive Index | ||
TP200 Thru TP750 Grades | 90.7 | 3.18 | 1.28 | 0.47 | 0.36 | 0.23 | 1.43 | ||
TH31 Thru TH39 Grades | 89.8 | 3.22 | 1.22 | 0.46 | 0.33 | 0.22 | 1.46 | ||
The properties reported represent typical values. The values are supplied as a technical service. For important health and safety information, please see the MSDS. | 中国硅藻土制造商 CHINA DIATOMITE MANUFACTURE | ||||||||
10 years of focus on diatomaceous earth research and developme
Official certification, professional after sales service.
Providing one-stop solutions
Full intimate service - to meet the practical needs of all cust
What are the advantages of diatomite for casting pipe coatings? | |
Diatomite for casting pipe coatings is a specialized functional material for the foundry industry, produced by high-temperature modification of natural diatomite. Its core advantages lie in refractoriness, process compatibility, and cost-effectiveness.First, diatomite for casting pipe coatings exhibits an exceptional refractoriness exceeding 1600°C and a multi-level microporous structure (specific surface area ≥150 m²/g), significantly improving the suspension stability of coatings. It ensures uniform adhesion to mold surfaces, effectively blocking molten metal penetration and reducing sand sticking defects by 30%-40%.Second, its strong chemical inertness prevents the release of harmful gases at high temperatures, making it compatible with various coating systems, including water-based and alcohol-based formulations. It remains non-reactive upon contact with molten metal, ensuring superior casting surface finish (Ra ≤6.3μm) and reducing porosity by over 25%.As an eco-friendly material, diatomite for casting pipe coatings contains no heavy metals, complying with green production standards in the foundry industry. Additionally, its microporous structure enhances coating crack resistance (improved by 15%-20%), extends mold service life, and reduces coating consumption by approximately 12%-15%. By incorporating diatomite for casting pipe coatings, manufacturers can simultaneously achieve higher casting quality, optimized process efficiency, and better cost control, providing an effective solution for precision casting applications. | |
How To Order? | Can You Supply Sample For Test ? |
1: Plese tell us the detailed technical parameters you needed | Yes, the sample is free. |
2: Then we choose the exact type diatomite filter aid . | |
3: Pls tell us the packing requirements,quantityand other request. | When Will Make A Delivery? |
4:Then we answer these questions and give a best offer. | Delivery time - Stock order: 3 days after receipt of the full payment.- Other order: 15 days after of the deposit. |
What Are Your Core Advantage? | |
1. Source factory, own mine, stable supply of core raw materials for 30 years. | |
2, The new self-developed low temperature washing storage process, lower product density, longer filtration cycle; The whiteness of the filler higher, the particle size of the product is more uniform, and the vortex value is less. | |
3. The only large enterprise in China that uses natural gas as a heat source for production, we always take environmental protection as our own responsibility and are committed to achieving sustainable development while protecting the environment. | |
What Is Your Capacity? | |
The production capacity of our current diatomaceous earth filter aid is 60,000 tons/year, the production capacity diatomaceous earth filler is 2.5 tons/year, the production capacity of natural diatomaceous earth constant temperature drying product is 15,000 tons/year, the total production capacity of 90,000 tons/year. |
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Oreign Trade Telephone: 0532-86623372
Foreign Trade Department Telephone: 0532-86623521
Oreign Trade E-mail: sales@cnshengtai.com
Foreign Trade Department E-mail: info@cnshengtai.com
Address:No.97, Fuzhou South Road, Jiaozhou, Qingdao, China
Our staff will contact you as soon as they receive the message. You can also call our contact hotline directly to get our help.
Our staff will contact you as soon as they receive the message. You can also call our contact hotline directly to get our help.
Oreign Trade Telephone: 0532-86623372
Foreign Trade Department Telephone: 0532-86623521
24-Hour Service Hotline: 400-822-5989
Email: sales@cnshengtai.com
Address:No.97, Fuzhou South Road, Jiaozhou, Qingdao, China
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