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Coal slag

Coal slag

Coal slag is an abrasive blasting media that is created as a recycled byproduct of coal combustion in power plants, industrial boiler burning factories such as textile, protein, paper, drying

 

Coal slag includes two types: Raw coal slag and fine coal slag.

 

Raw coal slag is often used in construction works.

 

Fine coal slag is often used effectively as an additive in cement production as well as in concrete mixing or brick production.
 

MỘT SỐ CHỈ TIÊU CHẤT LƯỢNG

CỦA XỈ HẠT LÒ CAO NGHIỀN MỊN S95:

 

CHỈ TIÊU SẢN PHẨM S95
HÒA PHÁT TCVN 11586:2016

1. Khối lượng riêng, g/cm3

2,8  >= 2,8

2. Bề mặt riêng, cm2/g

4500 >= 4000

3. Chỉ số hoạt tính cường độ, %
7 ngày
28 ngày

83

96

>= 75

>= 95

4. Tỷ lệ độ lưu động, %

92 >= 90

5. Độ ẩm, %

0,8 <= 1,0

6. Hàm lượng magiê oxit MgO, %

8,0 <= 10,0

7. Hàm lượng anhydric sunfuric SO3, %

1,0 <= 4,0

8. Hàm lượng ion CI, %

0,001 <= 0.02

9. Hàm lượng mất khi nung MKN, %

1,0 <= 3,0

 

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