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microsilica(silica fume) 92% and 94%
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| Post Date: | Mar 22,2020 |
| Expiry Date: | Mar 22,2021 |
| Detailed Description: |
silica Fume(microsilica) is a high performance concrete additive. Densified silica fume powdered product, is derived
as a by-product from the production of Ferro Silicon using the arc furnace method. Silica fume is used in pre-mixed concrete for enhancing mechanical properties of concretes with special performance requirements, including increased strength, reduced permeability, improved abrasion resistance and increased corrosion resistance. The are two forms of silica fume according to production process,one is full densified,the bulk density is 500kg-700kg/cbm,and another form is half densified,the bulk density is 300-400kg/cbm. And the SiO2 content in the silica fume is 92%min Typical Uses. Silica Fume can be used to produce all grades of concretes. The chemical and physical properties of Silica fume can greatly enhance the strength performance and the bonding properties of concrete. Silica fume can be used in various applications and projects: Commercial, Civil, Mining and Marine projects. Silica Fume is suitable for inclusion in general concrete mix designs and in particular has application in high strength performance concretes and shotcrete/spray mixes. Advantages The addition of Silica Fume can provide; • Increase compressive strength • Increase abrasion resistance • Enhanced sulphate resistance • Reduces chloride ion permeability • Enhanced resistance to chemical attack and deterioration • Improved durability • Increase bond strength Dosage The dosage rate for Silica fume will vary depending on the mix design requirements. Users should determine applicable rates of usage for their purpose. This is best achieved by trial mixes. Typical dose rates range from 5% – 10%.Some users will consider the material a cement replacement, others will consider as additional pozzolanic material |
| Company: | Taos Chemical CO.,Ltd [ China ] |
| Contact: | Jackson Tao |
| Tel: | 86-18059200810 |
| Fax: | 86-0592-5963162 |
| Email: | taoschem@gmail.com |
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