Premium DSF 850 Densified Microsilica: Enhanced Strength & Durability
DSF 850 densified microsilica (silica fume) delivers exceptional performance with its very small particle size, ensuring superior dispersion in concrete mixes. Designed for high-strength applications, this densified microsilica boasts an outstanding pozzolanic activity index. With low loss on ignition (LOI), our DSF 850 product minimizes unwanted volatiles, making it ideal for precise industrial formulations.
| Test Item | ASTM C 1240 | BS EN 13263:2005 | AS/NZS 3582.3:2016 | JIS A 6207:2006 | Typical |
| SiO2 (%) | > 85 | > 85 | > 85 | > 85 | 87.26 |
| MgO (%) | < 5 | 0.38 | |||
| Elemental Silicon (%) | < 0.4 | < 0.4 | 0.12 | ||
| SO3 (%) | < 2.0 | < 3.0 | < 3.0 | 0.88 | |
| CL (%) | < 0.3 | < 0.1 | 0.002 | ||
| Free CaO (%) | < 1.0 | < 1.0 | 0.82 | ||
| Total Alkalis (Na2O) (%) | 0.71 | ||||
| Moisture (%) | < 3.0 | < 3.0 | < 3.0 | 0.61 | |
| LOI (%) | < 6.0 | < 4.0 | < 6.0 | < 5.0 | 2.59 |
| Specific Surface (BET) (m2/g) | > 15 | 15--35 | > 15 | 18.22 | |
| Activity Index (%) | > 105 @ 7days | > 100 @28 days | > 95 @ 7days | 108 @ 7days | |
| >105 @ 28days | |||||
| Retained on 45-μm (No.325) (%) | < 10 | 3.66 | |||
| Variation from Avg. Retained on 45 μm (No. 325) (%) | < 5 | 1.02 | |||
DSF 850 densified microsilica is a high-performance additive engineered to enhance the strength and durability of concrete mixes. For industrial flooring, marine structures, or infrastructure projects requiring exceptional abrasion resistance, DSF 850 densified microsilica provides a cost-effective solution backed by proven results. Request technical data today and discover how DSF 850 can optimize your next project!
Exceptional Fineness and Packing Density
DSF 850 densified microsilica features ultra-fine particles that enhance the packing density of cementitious materials. This leads to reduced porosity and increased compactness in concrete, resulting in higher structural integrity.
High Pozzolanic Reactivity
The high pozzolanic activity of DSF 850 densified microsilica enables it to react efficiently with calcium hydroxide in cement, forming additional C-S-H gel. This reaction, facilitated by densified microsilica, improves compressive and flexural strength, making concrete more robust and durable.
Improved Durability Under Harsh Conditions
Concrete modified with DSF 850 densified microsilica shows superior resistance to permeability, corrosion, and chemical attack. This makes DSF 850 densified microsilica ideal for applications requiring long-term performance, such as marine structures and industrial floors.
DSF 850 densified microsilica is an ultra-fine pozzolanic material known for its outstanding performance in enhancing durability, strength, and chemical resistance across various industries. Below are the key applications where DSF 850 densified microsilica excels:
Concrete i.e., UHPC, HPC, PRC, shotcrete, impact and abrasion-resistant concrete, prestressed concrete, etc.
Mixing cement. i.e., oil well grouting.
Wall exterior insulation material.
Mortar, grouting agent, grouting material, etc.
Ceramic material.
Others, such as the water-glass industry, thermal insulation materials, etc.
DSF 850 densified microsilica significantly improves concrete's compressive strength, reduces permeability, and enhances durability. The DSF 850 densified microsilicais ideal for demanding construction projects. By incorporating DSF 850 densified microsilica into your concrete mix, you can achieve outstanding performance and longevity. Whether you need bulk orders or specialized formulations, sourcing DSF 850 densified microsilica from a trusted microsilica supplier guarantees superior performance.
