Sodium feldspar as a filler in ceramics, glass, coatings industries- Henan Ankai New Materials Co., Ltd-Henan Ankai New Materials Co., Ltd.

Description of Sodium Feldspar

Henan Ankai New Materials Co.,Ltd（LSAK Feldspar） is a professional Sodium Feldspar Manufacturer that specializes in providing raw materials for the Ceramics, Glass, Coatings Material, Plastic, Refractory, and also applicable in various other industries, including paints, rubber, soap, construction materials, water filtration, abrasives, and fertilizers.

Our sodium feldspar production facility covers an area of 45,000 square meters and is equipped with state-of-the-art production equipment, a factory laboratory, and a testing center. This ensures that we can deliver high-quality sodium feldspar powder to our customers.

As one of the top sodium feldspar suppliers in China, we have our own sodium feldspar mines, strict quality control, timely delivery, and professional services. We serve customers in over 200 countries, including Vietnam, the Philippines, Russia, Italy, Mexico, the United States, Morocco, and more.

• Sodium Feldspar Forms:

Powder (100-1250 Mesh),

Grains（0-10mm）.

• Sodium Feldspar Package:

1000-1300kg per bags.

Advantages of Sodium Feldspar

• High sodium （Na11%）and High aluminum content（Al20%）, has nepheline properties and good transparency

• Low Silicon and without free silicon, it's harmless to the body

• Na 11% around, Fast burning at a lower temperature, save cost

• Properties of translucent nepheline

• Good transparency

Parameter of Sodium Feldspar

	Chemical Analysis									Other Properties
Product Code	SiO2	Al2O3	Fe2O3	TiO2	CaO	MgO	Na2O	K2O	L.O.I.	Particle Size Distribution			Oil Absorption	Density	Mohs Hardness
	%	%	%	%	%	%	%	%	%	D10	D50	D97	g/100g	g/cm³
LASPAR.00.10G （0-10mm）	65.04	21.28	0.52	0.14	0.22	0.13	10.48	1.08	0.8	0-10mm, 95% pass			22.41g/100g	2.6	6
LASPAR.01.00P （100 Mesh）	66.75	19.81	0.13	0.03	0.54	0.08	11.2	0.41	0.65	25μm	58μm	145μm	22.41g/100g	2.6	6
LASPAR.02.00P （200 Mesh）	66.63	19.84	0.15	0.03	0.67	0.07	11.11	0.4	0.81	25μm	40μm	65μm	22.41g/100g	2.6	6
LASPAR.03.25P （325 Mesh）	66.35	19.81	0.15	0.03	0.84	0.07	11.14	0.39	0.9	23μm	30μm	37μm	22.41g/100g	2.6	6
LASPAR.06.00P （600 Mesh）	65.89	20.63	0.4	0.08	0.66	0.17	10.00	0.79	1.09	10μm	14μm	20μm	22.41g/100g	2.6	6
LASPAR.08.00P （800 Mesh）	67.06	19.59	0.15	0.03	0.36	0.09	11.46	0.45	0.51	2.7μm	6.9μm	15μm	22.41g/100g	2.6	6
LASPAR.12.50P （1250 Mesh）	67.1	19.35	0.15	0.03	0.65	0.08	11.17	0.41	0.76	1.5μm	3.2μm	10μm	22.41g/100g	2.6	6

Applications of Sodium Feldspar

Ceramics Industry:

• Ceramic Glazes: sodium feldspar is mainly used as a flux in ceramic glazes. It can effectively reduce the melting temperature of glazes and promote the smooth flow of glaze layers during firing. In addition, the sodium oxide (Na₂O) contained in sodium feldspar can enhance the gloss and adhesion of the glaze surface, while improving the expansion coefficient of the glaze and reducing the problem of glaze cracking.

• Ceramic Bodies: Sodium feldspar is incorporated into ceramic bodies to improve their strength and durability. By acting as a flux, it enables ceramic materials to vitrify at lower temperatures, resulting in stronger and less porous ceramics. This is especially important for items like sanitaryware and stoneware.

• Sanitary Ware: As an efficient flux, sodium feldspar can reduce the melting point of glaze, optimize the firing temperature, and promote the uniform flow of the glaze layer to form a smooth and shiny surface. At the same time, the sodium content helps to regulate the expansion coefficient, improve the heat resistance and crack resistance of the product, and ensure the durability and aesthetics of sanitary ware.

• Sintered Stone: In the production of sintered stone, sodium feldspar can reduce the firing temperature, promote the densification of the green body, and improve the sintering efficiency. Its alumina component enhances the hardness and scratch resistance of the plate, which helps to form larger-sized, uniform-structured high-performance ceramic plates, which are widely used in high-traffic areas and kitchen countertops.

Glass Industry:

The glass industry uses sodium feldspar as a flux to lower the melting point of silica, ensuring high-quality, impurity-free glass products with superior transparency. Environmentally friendly, sodium feldspar outperforms soda ash and aluminum oxide by emitting less carbon dioxide and waste. Its stable pricing, unaffected by futures trading and corporate control, makes it more economical than soda ash and aluminum oxide.

Glass Fiber Industry:

As a flux, sodium feldspar can effectively reduce the melting temperature of glass, reduce energy consumption, improve melting stability, avoid wire breakage during the drawing process, and ensure continuous and efficient production. At the same time, its alumina component enhances the strength and durability of the fiber, and is an important raw material for manufacturing high-performance glass fiber.

Coatings Industry:

Sodium feldspar is employed in the coatings industry to improve the quality of paints and coatings. It serves as a filler and extender, enhancing texture and coverage while increasing the durability and resistance of coatings. This results in long-lasting and aesthetically pleasing finishes on various surfaces.

Refractory Industry:

Sodium feldspar is integral to the production of refractory materials. Its high alumina content imparts excellent heat resistance, making it a key component in refractory ceramics, bricks, and castables. Used in furnaces, kilns, and other high-temperature applications, sodium feldspar enhances the structural integrity and thermal stability of refractory products.

Plastics and Rubber Industry:

In the plastics and rubber industry, sodium feldspar acts as a filler, reinforcing these materials. It enhances their mechanical properties, making them more robust and resistant to wear and tear. This is particularly valuable in the production of items like automotive components and consumer goods.

Abrasives Industry:

Sodium feldspar is utilized in the abrasives industry for its hardness and abrasive qualities. It is used to manufacture abrasive materials and tools, which are essential for tasks like metalworking and stone polishing. These abrasives help shape and smooth surfaces efficiently and accurately.

Other Applications:

Sodium feldspar also finds utility in soap manufacturing, grinding tools, welding electrodes, sintered stone and other industries. In welding electrode coatings, sodium feldspar can act as an arc stabilizer and weld pool protection agent.