Importance of Phosphate Use in Ceramics
Technical phosphates are an important component in the production of ceramics and are used as fluxes in glazes – they help to reduce the melting point of glazes, contributing to the formation of a smooth, vitreous surface of ceramic products. For this purpose, tricalcium phosphate (Ca3(PO4)2) or three-base calcium phosphate (Ca5(PO4)3OH) is used.
Phosphate-based mixtures act as dyes or colour modifiers in ceramic glazes. They interact with the metal oxides present in the glaze to produce different colours.
Phosphates are sometimes added to ceramic enclosures to control thermal expansion. By adjusting the ratio of phosphate compounds, it is possible to fine-tune the coefficient of thermal expansion (CTE) of the material (so that the ceramic does not crack and deform during the firing process or when the temperature changes in the intended application).
Some phosphates have flame retardant properties. In applications where fire resistance is required, such as in materials used for insulation or in industrial settings, phosphates can be incorporated into the ceramic matrix to increase its resistance to fire and heat. Phosphate binders are added in the production of refractory ceramics, which can withstand high temperatures and harsh conditions, making them suitable for use in furnaces, furnaces, and other industrial applications.
Phosphates are also used in surface treatment processes. They can increase adhesion between the ceramic surface and coatings or improve the adhesion of decorative elements such as decals or stickers.
Types of additives for ceramics and their features
Also, actively used in production are:
- Plasticisers: improve the plasticity and moulding properties of clay, reducing its crumbliness.
- Stabilisers: prevent deformation or cracks during firing.
- Pigments: give colour and decorative effects to products.
- Binders: maintain the shape of the product and prevent it from deforming during firing.
- Rheological additives: regulate the fluidity and viscosity of ceramic mixtures.
- Antiflocculants: prevent the accumulation of particles in mixtures, ensuring a more even distribution of additives.
- Anti-crackers: help prevent cracks on the surface or inside the products during firing.
The choice of specific additives depends on the required properties of the final product, the technological features of production and the manufacturer’s budget.
Buy additives for the production of ceramics on the Prodservis website
A wide selection of additives for the production of ceramics is available on the Prodservis website, including phosphates and other special ingredients that improve the quality of ceramic products. These additives help to optimise the production process and improve the characteristics of the finished product.
Advantages of ordering through Prodservis:
- Competitive prices: Prodservis offers supplements at attractive prices, which makes the purchase worthwhile.
- Convenience of ordering: Products can be easily ordered online, with the ability to choose the desired amount and type of supplements.
- Wide range: With a large selection of additives, customers can find everything they need for any type of ceramic production.
These additives are ideal for ceramic manufacturers who want to improve the quality of their products and optimise their production processes. Looking forward to your orders to help you with it!