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Sodium Feldspar

Sodium Feldspar for Industrial Applications
  • CAS Number: 68476-25-5
  • (NaAlSi₃O₈)
Sodium feldspar (NaAlSi₃O₈) for industrial applications, available for immediate supply in 25 kg bags, big bags and bulk.
NaAlSi₃O₈
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Description
At PILATO, we market sodium feldspar (NaAlSi₃O₈) for the industrial market in Spain. Through a company-wide, integrated quality management system, we ensure immediate product availability and an operational approach focused on meeting our customers’ delivery schedules and technical requirements, while integrating seamlessly into their supply chains.

Sodium feldspar is widely used in the ceramic sector in the formulation of bodies, frits and glazes, where it acts as a flux: it supplies the alkalis that lower the firing temperature and promote the glassy phase that binds the piece. It is likewise used in the glass sector for its simultaneous contribution of alumina and alkalis, a combination that improves the chemical durability of the glass without raising the melting temperature excessively.

We supply sodium feldspar in 25 kg bags, big bags and bulk, supported by agile logistics to facilitate its integration into processes already validated by our customers.

  • Benefits

Why choose PILATO as a supplier?

Partnering with PILATO means working with a supplier that has knowledge of the industrial environment and strong logistics capabilities. Our business focuses on offering:

Immediate availability

Immediate availability from our logistics facilities in Spain.

Compliance with Technical Requirements

Compliance with the technical requirements typically requested by our clients

Personalized service

Local presence and personalized service to coordinate deliveries and address sales-related questions.

Commitment

Commitment to traceability, consistency across batches, and a stable supply.

  • Frequently Asked Questions

Frequently Asked Questions About the Sodium Feldspar

What is the role of feldspar in a ceramic body?

It acts as a flux. During firing it supplies the alkalis that lower the temperature at which the glassy phase appears, and that phase is what binds the particles of the body, providing mechanical strength and low porosity to the finished piece.

Because the alkali cation determines how the melt behaves. Sodium melts more aggressively and over a narrower range, which suits fast single-firing cycles. This should be checked against each plant’s actual firing curve before replacing one flux with another.

It supplies alumina and alkalis at the same time. Alumina improves the chemical durability and strength of the glass, and the alkalis keep the melting temperature within manageable values. That combination is why it is used as a source of alumina in glass compositions.

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