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Overview of Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics
Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics is precision-engineered from 99%+ pure aluminum oxide (Al₂O₃), offering outstanding mechanical strength and thermal stability. With a maximum operating temperature of 1800°C, these rings are widely used in high-wear applications such as bearings, seals, insulators, and semiconductor processing equipment. Their exceptional hardness and corrosion resistance make them ideal for demanding industrial environments.
Key Features of Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics
Extreme Temperature Resistance – Stable up to 1800°C with minimal thermal expansion
Superior Wear Resistance – Harder than steel, ensuring long service life
Excellent Electrical Insulation – High dielectric strength for electronic applications
Chemical Inertness – Resists acids, alkalis, and corrosive gases
Precision Machined – Tight tolerances for consistent performance in mechanical assemblies

(Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics)
Specifications of Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics
This item is a pigment colorant polish frit. It includes calcined alumina. Calcined alumina is aluminum oxide. It gets heated to extremely high temperatures. This home heating alters its framework. The alumina comes to be extremely hard and steady. The particle dimension is crucial. We offer two dimensions: 4 microns and 5 microns. A micron is exceptionally small. One micron amounts to one-millionth of a meter. This great bit dimension is essential for porcelains.
Tiny fragments mix efficiently into polish slurries. They protect against clumping. They give a very also color distribution. This avoids streaks or places on the ended up ceramic surface. The great particles melt equally during shooting. This develops a regular, shiny polish surface. The color advancement is strong and dependable.
Calcined alumina boosts polish efficiency. It enhances the glaze’s firmness. This makes the ceramic surface area more scrape resistant. It improves the glaze’s resilience. The surface area endures wear better. It also aids the polish bond well to the ceramic body. This reduces breaking or peeling concerns. The alumina itself is white. It functions as a base or provider for color pigments. It guarantees the pigments disperse effectively. The pigments stay put on hold in the polish mix.
Ceramic makers utilize this frit commonly. It works for ceramic tiles, tableware, sanitaryware, and technical porcelains. Select 4 micron for the finest finishes. Pick 5 micron for superb results. Both dimensions supply top notch color. They provide dependable performance in manufacturing. This product is a standard for accomplishing specialist ceramic surfaces.

(Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics)
Applications of Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics
Pigment colorant glaze frits with 4 micron or 5 micron calcined alumina are crucial for high-quality ceramic coatings. These frits serve as the base material carrying colorants into the glaze. The very great fragment size of the calcined alumina matters substantially. Four microns and five microns are extremely tiny dimensions. This fine powder blends quickly and uniformly within the glaze liquid. You prevent clumping or irregular spots in the last glaze layer.
The tiny particle dimension guarantees outstanding suspension. The alumina particles stay floating in the glaze slurry. This stops settling during application. You get regular color and texture across the whole ceramic item. The great alumina additionally communicates well with other glaze active ingredients. It promotes a smooth thaw throughout the high-temperature shooting procedure. This causes a glossy, defect-free surface area after the kiln.
Calcined alumina itself brings valuable residential or commercial properties. It substantially increases the solidity of the terminated polish. This makes the surface area a lot more immune to scrapes and daily wear. The glaze becomes tougher and extra sturdy. This is important for items like ceramic tiles or tableware seeing heavy usage. The great alumina particles likewise help spread light effectively. This improves the illumination and depth of the colored pigments made use of. Colors show up even more vibrant and real.
Making use of the appropriate micron size is crucial. 4 micron and five micron grades supply the most effective balance. They are fine sufficient for smooth application and a best finish. They are not so fine they create dealing with problems or excessive shrinking. Ceramic suppliers count on these particular alumina sizes. They accomplish dependable, specialist outcomes batch after set. This alumina straight improves glaze performance and item high quality. It provides the smooth, long lasting, and attractive surface areas customers expect.
Company Profile
Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.
Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

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T/T, Western Union, Paypal, Credit Card etc.
Shipment Methods
By air, by sea, by express, as customers request.
5 FAQs of Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics
Pigment Colorant Glaze Frit: 4 Micron & 5 Micron Calcined Alumina FAQs
What’s the difference between 4 micron and 5 micron alumina?
The main difference is particle size. The 4 micron powder is finer. The 5 micron powder is slightly coarser. Finer particles like 4 micron often give stronger color development. They disperse more evenly in the glaze. Coarser 5 micron powder might flow better during application. It can be easier to handle sometimes. Choose based on your specific glaze effect and application method.
Is this calcined alumina safe for dinnerware?
Yes, it is safe. This alumina is calcined at high temperatures. This process makes it chemically inert. It won’t leach into food or drink. It meets standards for ceramic food contact surfaces. Always confirm your final glaze recipe is food-safe overall.
Can I use this alumina in all glaze types?
Yes, it works well in most glaze types. It integrates smoothly into transparent, opaque, or colored base glazes. It’s effective for brush-on applications. It’s also good for dipping or spraying. The fine particle size ensures good suspension. It prevents settling in the glaze bucket.
What firing temperature does this alumina need?
This alumina performs well in standard ceramic firings. It works effectively between Cone 06 (around 1000°C) and Cone 10 (around 1300°C). The calcination process makes it stable. It won’t burn out or degrade in the kiln. Ensure your base glaze matures correctly at your chosen cone.
How do I prevent clumping when mixing?
Proper dispersion is key. Always add the alumina powder slowly to your liquid glaze base. Add it while mixing constantly. Use a mechanical mixer if possible. Sieving the mixed glaze through a fine mesh screen (like 120-200 mesh) is highly recommended. Sieving breaks up any small lumps. It ensures a perfectly smooth glaze.

(Pigment Colorant Glaze Frit 4 Micron 5 Micron Calcined Alumina for Ceramics)
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