finely ground blast furnace slag
- $35.00 / >=27 pieces
- 27 pieces
- Tianjin Sunward Building Materials Co., Ltd.
- Tianjin, China
- Mr Andy Kang
Product Detail
| Material: | slag | Packaging Details: | Bulk or 1.5 metric ton big bags |
| application: | cement production | color: | light grey |
| payment terms: | L/C, T/T | brand: | TTW |
| Supply capacity: | 30000 tons per month | model: | TJSW95 |
| Package preview: | standard: | BSEN15167:2006 | |
| Processing: | Slag Vertical Mill | port: | Tianjin Port or Lanshan Port |
| Origin: | Hebei china | Fineness-Blaine(m2/kg): | 400 |
finely ground blast furnace slag
Ground blast furnace slag (GGBFS) is produced by quenching molten blast furnace slag (a by-product of iron and steelmaking) in water to produce a glassy granular product, which is then dried and ground into fine powder GGBFS. It is mainly composed of calcium silicate and aluminum silicate, and its chemical composition is similar to these respective natural minerals and hydrated Portland cement. GGBFS is generally finer than Type 1 Portland cement. It is an off-white powder with a specific gravity of about 2.88 and handles and disperses like Portland cement.
use
It is used as a partial replacement or supplement for the Portland cement binder component in concrete. Also commonly used in the production of low heat concrete used in mass concrete structures. Another application of GGBFS is as a low-cost extender/filler/binder in concrete masonry, concrete pavers, concrete roof tiles and other concrete products, mortar grouts, cement-based (cement-based) coatings, etc.
conservation
Due to the slow hydration of slag-mixed cement, the curing should be continuous, preferably 28 days or longer, in order to fully meet the design requirements for durability, strength, demoulding (demolding) time and serviceability.
dose
The optimum substitute dosage will vary with the application and the desired properties of the concrete. Replacement amounts of between 50% and 70% by mass of cementitious material are common.
Packed in 1.5 ton big bags and loaded into bulk carriers.
Bulk and loaded into containers by tank truck.
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