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Henan Langhua New Materials Co., Ltd. (HLNM) – trusted worldwide supplier of MicroSilica, Amorphous C12A7, Polycarboxylate Superplasticizers, and specialty admixtures. OEM, ODM & R&D solutions available.
Henan Langhua New Materials Co., Ltd. (HLNM) is the worldwide leading supplier of MicroSilica and Silica Fume, offering Undensified, Semi-Densified, and Densified types. We specialize in high-performance construction materials including Amorphous Calcium Aluminate (C12A7), Polycarboxylate Superplasticizers, and Disodium Methanedisulfonate.
Our mission is simple: “China's new building materials embrace the world!” With advanced production capabilities and strict quality control, we ensure fast delivery and consistent product excellence for global partners.
Premium-grade construction materials engineered for performance, durability, and innovation. All products available in various packaging options including water-soluble paper bags, valve bags, kraft paper, and ton bags.
High-purity amorphous silica powder, ideal for UHPC and high-strength concrete applications.
Ultra-fine pozzolanic material enhancing strength, durability, and impermeability in concrete.
High-purity chemical additive used in specialty concrete formulations and industrial processes.
Premium white-grade silica fume for architectural concrete and aesthetic applications.
Ultra-high purity white silica fume for critical applications requiring maximum performance.
Reactive calcium aluminate for rapid setting, expansion control, and sulfate resistance.
High-efficiency water reducer for self-consolidating and high-flow concrete.
Custom-formulated drymix and liquid admixtures for enhanced workability and durability.
As a direct manufacturer, we offer competitive pricing, OEM/ODM support, and full R&D collaboration.
Mass production capabilities ensure short lead times and reliable worldwide shipping.
Water-soluble paper bags, recyclable kraft, and ton bags meet environmental standards globally.
Strict QC protocols ensure every batch meets international standards for purity and performance.
Ultra-High Performance Concrete with enhanced strength and durability using silica fume.
Long-span bridges benefit from reduced permeability and increased service life.
Improved resistance to aggressive environments in subway and highway tunnels.
Critical infrastructure protected with low-permeability, high-durability concrete.
Silica fume, also known as microsilica, is a byproduct of silicon and ferrosilicon alloy production. It is an ultra-fine, amorphous silica powder used as a pozzolanic material in high-performance concrete.
Microsilica is collected from the exhaust gases of electric arc furnaces during the production of silicon metal and ferrosilicon alloys. The vaporized silica condenses into fine particles.
Densification reduces the bulk volume of silica fume, making it easier and more cost-effective to transport and handle, while maintaining its chemical properties.
Microsilica reacts with calcium hydroxide in cement paste to form additional calcium silicate hydrate (C-S-H), improving strength, durability, and reducing permeability.
Yes, as a manufacturer, HLNM supports OEM, ODM, and custom R&D solutions for global partners.
For inquiries, samples, or technical support, visit our official website to connect with our team.
Phone: +86-19939356839
Email: randall@microsilicafume.cn
Address: North 86, Jingsan Road, Zhengzhou, 450008, China
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