Adhesives And Sealants – Leading Global Producer of Calcium Carbonate and Essential Industrial Minerals

Improve sustainability, optimize functionality and increase profitability with calcium carbonate functional minerals.

Xufeng’s calcium carbonate functional minerals enhance the sustainability, performance, and cost-efficiency of adhesives and sealants.
Our high-purity products support a wide range of chemistries and applications—modifying rheology, improving mechanical strength, and reducing water content in formulations. This leads to lower energy consumption, faster processing, and higher overall productivity.

Backed by a team of dedicated technical experts, Xufeng works closely with customers to meet even the most demanding mechanical performance requirements.
In addition, we offer a comprehensive portfolio of complementary solutions for the adhesives and sealants industry, including lightweight fillers, pigments, binder systems, and functional additives—designed to optimize your formulations from both a technical and commercial perspective.

Bonding and sealing

Reinforcing fillers and rheology modifiers for general construction, assembly, and bonding applications—including moisture-sensitive systems.
Our lightweight solutions help reduce the density of adhesives and sealants, supporting material savings without compromising performance.

Flooring

A versatile range of mineral fillers designed to enhance elasticity in solid wood bonding while reducing overall formulation costs.
Our lightweighting solutions also help lower the density of adhesives and sealants, supporting efficient material usage without compromising performance.

Glazing

A full range of coated and uncoated GCC products engineered to deliver ideal rheology control, improved mechanical performance, and accelerated curing in adhesive and sealant formulations.

Calcium carbonate additives empower polymer manufacturers to achieve advanced functionalities—such as breathability, opacity, printability, soft touch, and anti-blocking.
This versatile mineral also enhances processing efficiency and material compatibility, making it an essential component in high-performance formulations.

Our technical experts bring deep application knowledge and will work with you to identify the right calcium carbonate solution to meet your specific production and performance goals.

Significantly reduces production costs in plastics, rubber, and coatings while ensuring stable performance.

Maintains precise dimensions and stability under high temperatures or long-term use.

Improves hardness, rigidity, and impact resistance, making products stronger and longer-lasting.

Enhances whiteness, gloss, and opacity for a more attractive and marketable finish.

Enhances flowability and moldability, accelerating production and reducing energy consumption.

Boosts printability in paper, opacity in coatings, and insulation in rubber and plastics.

Hubei Xufeng Tongda New Materials Co., Ltd. is a full-industry-chain enterprise specializing in calcium carbonate-based new materials, integrating R&D, production, sales, and service.

Focusing on inorganic non-metallic materials, the company delivers high-performance products that meet international quality standards, widely used in plastics, rubber, paper, coatings, inks, artificial stone, building materials, and daily chemicals.

Driven by the mission “Creating Innovative Value through Inorganic Material Applications”, Xufeng Tongda upholds core values: Customer Value, Innovation, Professionalism, Integrity, and Win-Win Cooperation. Guided by market demand, it follows the philosophy of “one meter wide, one kilometer deep”—pursuing deep specialization and long-term value.

Committed to green, high-quality development, the company strives to become a global leader in calcium carbonate materials, delivering sustainable value to customers, partners, and society.

XUFENG calcium carbonate stands out for its exceptional high purity and chemical stability, guaranteeing consistent, top-quality results in your production process. Its ultra-fine particle size delivers superior filling performance, boosting product strength and durability while significantly cutting manufacturing costs. Moreover, as a natural, non-toxic, and eco-friendly mineral, XUFENG calcium carbonate provides a sustainable and cost-effective solution perfectly suited for large-scale industrial use. Choose XUFENG calcium carbonate to enhance your products and maximize your profitability.

What grades of industrial calcium carbonate do you offer?

We provide multiple grades, including light calcium carbonate, heavy calcium carbonate, and ground calcium carbonate with various particle sizes to meet different industrial applications such as plastics, rubber, coatings, adhesives, and paper.

Can you provide customized particle sizes and surface treatments?

Yes, we can tailor particle sizes, surface treatments, and functional additives according to your specific production requirements to improve dispersion, compatibility, and product performance.

How do you ensure consistent quality in your calcium carbonate?

We implement strict quality control at every stage—from raw material selection to milling, sieving, and packaging. Our products are tested for purity, particle size distribution, whiteness, and chemical stability.

What industries commonly use your industrial calcium carbonate?

Our calcium carbonate is widely used in plastics, rubber, coatings, paints, adhesives, sealants, paper, and PVC applications. It enhances mechanical properties, improves processing, and reduces production costs.

Can you supply large volumes for continuous production?

Absolutely. As a manufacturer, we can supply industrial calcium carbonate in bulk quantities to ensure uninterrupted production for your industrial needs.

How do you handle shipping and logistics for international customers?

We have extensive experience in international shipping and can arrange FCL/LCL shipments with secure packaging to prevent moisture absorption or contamination during transport.

Do you provide technical support and documentation?

Yes, we offer technical datasheets, safety datasheets, and expert guidance for product application to help you optimize performance in your processes.

How do your calcium carbonate products reduce production costs?

By improving processing efficiency, enhancing product strength, and reducing the need for more expensive raw materials, our calcium carbonate helps lower overall production costs.

Can you assist with product trials before bulk purchase?

Yes, we provide sample quantities for testing to ensure compatibility with your formulation and production process before placing a large order.

What certifications or standards do your products meet?

Our industrial calcium carbonate meets relevant industry standards and certifications, including ISO and other quality assurance certifications, ensuring reliable performance in your applications.