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Nonmetallic Minerals

[Global Business Communication] Nonmetallic Minerals Channel brings together a full range of nonmetallic mineral products such as quartz sand, talc powder, graphite, bentonite, and mica, connecting high-quality nonmetallic mineral wholesale suppliers and manufacturers in China. We provide high-purity, customized, multi-specification nonmetallic mineral solutions for industries such as building materials, coatings, plastics, rubber, and environmental protection. You can connect with leading factories certified by ISO to access quality testing, custom processing, and stable supply services. We have established a strict quality control system to ensure product quality and compliance. Post your procurement needs or showcase your products now to expand the global nonmetallic minerals market together!

Wollastonite( 20 )

Metallurgical Protective Slag Low Iron Wollastonite Powder

$1.2

Friction Material Special Needle-like Wollastonite Powder

$2.5

Plastic Filler Grade Raw Wollastonite Powder

$0.85

Ceramic Grade Ultra-fine Wollastonite Powder

$2.2

Coating Grade High Whiteness Modified Wollastonite Powder

$1.7

$Refractory Grade 80 Mesh Coarse Wollastonite Powder$

Refractory Grade 80 Mesh Coarse Wollastonite Powder

$649.99

Kaolin( 20 )

Pharmaceutical & Food Grade Calcinated Kaolin

$420~520

Waterborne Paint Special Calcinated Kaolin

$500~600

$Calcined Kaolin for Refractory Castables$

Calcined Kaolin for Refractory Castables

$360~420

Food & Medical Grade Calcined Kaolin

$650~800

Reinforced Calcined Kaolin for Rubber & Plastics

$450~550

Calcined Kaolin for High-end Ceramic Tiles

$420~520

Featured Suppliers

Jiangxi Guangtai Chemical Co., Ltd

China

Main products: Manufacturing and sales of non-metallic mineral products, production of coatings, calcium carbonate

$0.85

$1.2

Related issues

Q：What are the key advantages of using Waterborne Paint Special Calcinated Kaolin?

A：Waterborne Paint Special Calcinated Kaolin offers excellent dispersion, high whiteness (90-95%), and low oil absorption (40-50g/100g). It enhances paint durability, improves gloss, and reduces VOC emissions, making it eco-friendly for water-based coatings.

Q：How does Pharmaceutical & Food Grade Calcinated Kaolin meet safety standards?

A：Pharmaceutical & Food Grade Calcinated Kaolin complies with FDA/EFSA standards, featuring heavy metal content <10ppm and microbial limits <1000 CFU/g. Its high purity (>99%) and inertness make it ideal for excipients, anti-caking agents, and digestive aids.

Q：Why is Calcined Kaolin for Paper Coating preferred in premium paper production?

A：Calcined Kaolin for Paper Coating provides superior opacity (85-92% ISO brightness), smooth surface finish, and printability. Its controlled particle size (90% <2μm) enhances ink receptivity, reducing coating costs while improving paper quality.

Q：What makes Calcined Kaolin suitable for High-end Ceramic Tiles?

A：High-end Ceramic Tiles use Calcined Kaolin for its high refractoriness (PCE 34-36), low shrinkage (<5%), and uniform particle distribution. It boosts tile strength (MOR >50MPa), whiteness (L* >95), and glaze adhesion in vitrified tiles.

Q：How does Reinforced Calcined Kaolin improve Rubber & Plastics performance?

A：Reinforced Calcined Kaolin enhances tensile strength (20-30% increase) and abrasion resistance in rubber/plastics. Its surface-modified particles (SiO2 >52%, Al2O3 >44%) improve dispersion, reducing compound viscosity and processing energy costs.

Q：What are the key benefits of using Food & Medical Grade Calcined Kaolin?

A：Food & Medical Grade Calcined Kaolin offers high purity (99%+), low heavy metal content, and excellent adsorption properties. It's widely used in pharmaceutical excipients, food additives, and medical dressings due to its non-toxicity and compliance with FDA/BP standards.

Q：How does Calcined Kaolin enhance Refractory Castables performance?

A：Calcined Kaolin for Refractory Castables improves thermal stability (up to 1750°C), reduces shrinkage, and increases mechanical strength. Its ultra-fine particle size (2-10μm) enhances packing density, making it ideal for furnace linings and high-temperature industrial applications.

Q：Why choose High Whiteness Calcined Kaolin for Ceramics?

A：High Whiteness Calcined Kaolin (94%+ brightness) ensures superior ceramic glaze opacity and color consistency. Its low Fe2O3 content (<0.5%) prevents discoloration, while controlled particle size distribution (D50 1.5-3μm) optimizes sintering performance in porcelain and sanitaryware production.

Q：What makes Ultra-fine Calcined Kaolin suitable for Waterborne Coatings?

A：Ultra-fine Calcined Kaolin (D97 <2μm) provides excellent suspension stability, scrub resistance, and TiO2 extension (up to 20%) in waterborne coatings. Its hydrophilic surface modification ensures compatibility with aqueous systems, reducing VOC emissions while maintaining film hardness (3H+ pencil hardness).

Q：How does Paper Grade Calcined Kaolin improve printing quality?

A：Paper Grade Calcined Kaolin enhances printability through controlled particle morphology (platelet structure) and high opacity (92% ISO brightness). It reduces ink absorption time by 30%, improves sheet smoothness (PPS <1μm), and increases bulk density for premium coated paper applications.

Other Industries

Refractory Material Aluminum