| 1 |
10
to 30% passing the 300 μm (No. 50) sieve
and
2 to 10% to pass the 150 μm (No. 100) sieve
|
Generally
allowed by most specifications
|
| 2
|
Lower
limits of above range (given in 1 )
|
adequate
for easy placing conditions or for mechanically finished concrete
|
| 3
|
At
least 15% passing the 300 μm (No. 50) sieve
and
3% passing the 150 μm (No. 100) sieve
|
Generally
recommended for hand-finished concrete floors or where a smooth texture
is needed
|
| 4
|
15
to 30% passing the 300 μm (No. 50) sieve,
and
5 to 10% passing the 150-μm (No. 100) sieve
|
Recommended
when concrete is to be pumped through lines less than 150 mm (6 in.) in
diameter
|
