Chemical Composition
Standard Requirement Chemical analysis result
SiO2 not less than 70% SiO2 72.55%
CaO; MgO not less than 8% CaO 7.02%; MgO 3.02%
Na2O; K2O; Al2O3; Fe2O3; Na2O 13.78% Al2O3 2.08%
Not less than 18% K2O 0.88% Fe2O3 0.18%
Product Designation: BS EN 1423
Granulometry:
SIEVE (um) Spec.
850 0-3
600 5-20
300 30-75
180 10-30
Pan 0-15
Physics and Chemistry Function
Items Standard Result
Specific gravity( g/cm3) 2.4-2.6 2.50
Refractive index ≥ 1.5 1.51
Roundness (%) > 80 85.1
Product Designation: AASHTO M247
Granulometry: Type 1, Type 2
SIEVE (um) Passing Passing
850 100 ---
600 75-95 100
425 --- 95--100
300 15-35 50-75
180 --- 0-10
150 0-10 ---
Physics and Chemistry Function
Items Standard Result
Specific gravity( g/cm3) 2.4-2.6 2.50
Refractive index ≥ 1.5 1.51
Roundness (%) > 80 85.1
Product Designation: BS 6088—1981 Class A
Granulometry:
Standard diameter (um) Contain (%) Result (%)
> 1180 0--3 0
1180—850 5—20 8.1
850--425 65-95 89.2
< 425 0--10 2.7
Physics and Chemistry Function
Items Standard Result
Specific gravity( g/cm3) 2.4-2.6 2.50
Refractive index ≥ 1.5 1.51
Roundness (%) > 70 81.2
Product Designation: BS 6088—1981 Class B
Granulometry
Standard diameter (um) Contain (%) Result (%)
> 850 0--5 0
600--850 5—20 14.5
300--600 30-75 63.4
180--300 10-30 19.2
< 180 0--15 2.9
Physics and Chemistry Function
Items Standard Result
Specific gravity( g/cm3) 2.4-2.6 2.50
Refractive index ≥ 1.5 1.51
Roundness (%) > 80 85.1
