Good whiteness.

Good particle size.

High purity and fluidity.

Excellent suspension performance.

Good reinforcement performance.

Features of White Silica Fume ZSF 940

Used in the construction of cement concrete: which can reduce the dosage of cement concrete, eliminating material segregation and improve the concrete strength, enhance the wear resistance and durability, improve corrosion of steel, etc.

Used in monolithic refractories: which can effectively reduce the water addition, good thixotropy, and low temperature combination effect, is the ideal combination of agent, binder, additives and performance improvement of blending.

Used in the unsteady casting of ladle: which can be used for high temperature and steel water insulation.

Used in high alumina brick, magnesia brick, sliding water mouth brick, kiln and other high temperature equipment and other refractory materials: which can improve the products quality grade, acting as other ordinary refractory materials.

Applications of White Silica Fume ZSF 940

In refractory materials.

In mortar and concrete Industry (white cement/concrete).

In ceramics industries.

Pigments and other chemical industrial, etc.

For more information about construction chemical products list and concrete admixture chemical, please feel free to contact us!

TJSW® USF 850 is an undensified microsilica product with fine particle size, strong absorbability, and high pozzolanic activity. It is suitable for construction materials, fertilizer anti-caking, pesticide carriers, pellet binding, insulation materials, waterproof materials, paints, coatings, and other industrial applications. As an undensified microsilica supplier, Tianjin Sunward provides USF 850 with stable quality control, flexible packaging options, and export supply support for construction material producers, chemical manufacturers, fertilizer plants, coating manufacturers, and industrial material distributors.

Features of Undensified Silica Fume USF 850

This undensified microsilica improves compressive strength, bond strength, abrasion resisitance, reduce permeability in construction application.

As dispersant for chemical products, micro silica instead of mica or diatomite to prevent fertilizer particles caking. Making potassium silicon compound        fertilizer, protect the soil from erosion or deterioration.

With strong adsorbability and large specific surface, as anti-caking agent or pellet binding agent improve economic performance.

Applications of Undensified Microsilica USF 850

Construction

Fertilizer

Pesticide

Extinguishant

Pellet binder

Insulating material, waterproof material, paint, coating, printing industry, etc.

For more information about chemical building materials and construction chemicals, please feel free to contact us!

A Trusted water reducer suppliers — Boost Efficiency, Reduce Costs

pce water reducer is a vital concrete admixture that reduces the water content in concrete mixtures while maintaining the desired slump. As a leading water reducer factory, we specialize in providing high-efficiency solutions, including naphthalene water reducer and polycarboxylate superplasticizer. Partner with us as your trusted water reducer supplier for competitive pricing, technical support, and timely delivery.

Most concrete additive water reducer superplasticizer are anionic surfactants, such as lignin sulfonate naphthalene, sulfonate formaldehyde polymer, etc. When added to concrete mixtures, these water reducer admixtures disperse cement particles effectively, enhancing workability, reducing water consumption, and boosting fluidity. Additionally, they help minimize cement usage while maintaining structural integrity.

At Tianjin Sunward, we pride ourselves on being one of the premier water reducer suppliers and experienced water reducer manufacturers, delivering advanced polycarboxylates high range water reducer tailored to customers' needs. Whether you need reliable water reducer admixture for concrete or customized solutions, our expertise as a trusted water reducer supplier ensures optimal concrete performance, cost efficiency, and sustainability.

Polycarboxylate Superplasticizer(Powder)

Appearance: White Powder


Solid Contents: 98±1%

Density: 500±15


PH value: 5-7

Chloride Contents: ≤0.1%

Alkali Content: ≤5.0%

Usage of Polycarboxylate Superplasticizer (Powder)

Recommended dosage: 0.14~0.25% of cementing material

Water Reducing Rate: 25%~35%


Do NOT use with naphthalene concrete dispersants simultaneously

For more information about chemicals used in road construction and cementitious materials, please feel free to contact us!

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Your Trusted Microsilica Supplier: Competitive Prices & Fast Worldwide Delivery

Micro silica is also called silica fume, is a byproduct of silicon metal and ferrosilicon production. Composed primarily of amorphous (non-crystalline) silicon dioxide (SiO₂), microsilica is incredibly fine, with an average particle size of 0.10~0.20μm (micron) and a remarkable surface area of 15000~27000 m²/kg. This unique structure is why microsilica is highly prized in construction — it has robust surface activity.

Since 2008, Tianjin Sunward has been a reliable microsilica supplier, offering premium-grade microsilica (silica fume) that complies with international standards, including ASTM C 1240, AS/NZS 3582.3:2016, EN 13263:2005, and JIS A 6207:2006. Our silica fume for sale is the ideal solution for enhancing concrete strength, durability, and workability. Order now to elevate your concrete performance with our silica fume sf90 for sale.

We ensure unmatched consistency in microsilica for concrete by setting up proprietary collection systems at major silicon metal and ferrosilicon factories. Our fully automated, closed-loop densifying and filling processes eliminate contamination, delivering pure, high-performance microsilica. With a 5000 m² warehouse near Tianjin Xingang and Shanghai Port, we guarantee fast shipments and bulk deliveries of microsilica.

Densified Microsilica

Good cost performance, commonly used in concrete applications.

SiO₂ Content: 85% - 97%

Bulk Density: 500 - 700 kg/m³

Undensified Microsilica

Good dispersion efficiency for refractory, fertilizer, etc.

SiO₂ Content: 85% - 97%

Bulk Density: 150 - 450 kg/m³

White Microsilica

White Micro Silica (ZSF) is a high-purity zirconia by-product containing 92–96% SiO₂, combining the strengths of silica and zirconia. Its high SiO₂ content, fine granularity, large surface area and good fluidity improve wear resistance, durability, and reinforcement in injection molding, cement/concrete, refractories, ceramics, and electronics.

Why the use of silica fume in Concrete Enhances Durability?

As a trusted microsilica supplier, we offer high-quality microsilica that significantly enhances the strength and durability of concrete. The use of microsilica in concrete is a proven method to boost durability, especially in demanding environments. Below are the key reasons why microsilica is essential for long-lasting concrete structures:

Improve Strength & Reduce Permeability: Microsilica is a fine, pozzolanic material that fills microscopic gaps in the concrete matrix, resulting in a denser, stronger structure. The use of microsilica in concrete significantly lowers permeability, preventing water, chlorides, and sulfates from corroding reinforcing steel.

Enhance Chemical & Abrasion Resistance: As a leading microsilica supplier, we provide high-quality microsilica that improves resistance to chemicals (acids, sulfates) and harsh weather. Microsilica is particularly effective in high-strength concrete, reducing wear and tear in heavy-traffic areas like highways and industrial floors.

Minimize Cracking & Extend Lifespan: By refining the pore structure, microsilica (silica fume) for sale helps prevent early-age cracking and shrinkage, ensuring long-term structural integrity. The use of microsilica in concrete enhances bond strength with steel reinforcement, preventing spalling and corrosion-related failures.

Sustainable & Cost-Effective Solution: The use of microsilica in concrete lowers lifecycle costs by minimizing repairs. Microsilica is an eco-friendly option, supporting sustainable construction. Contractors sourcing from a trusted microsilica supplier can optimize mix designs to maximize lifespan, reducing maintenance costs.

Looking for a microsilica price that balances cost-efficiency with superior concrete performance? As a leading microsilica supplier, we understand the importance of quality and performance. Partner with us today to experience the difference that a leading microsilica supplier can make in your construction endeavors! Get a real-time silica fume cost per kg tailored to your project requirements.

For more information about micro silica cement and silica fume availability, please feel free to contact us!

We can also provide kinds of chemical construction products for sale, if you are interested, please contact us.