The main raw materials of mobile crushing screens are rocks, ores, and solid construction waste resources. Mastering the characteristics of crushed materials allows us to be more confident in selecting equipment and maximize the efficiency of crushing and screening.
1.Rocks
Rock for sand making
Sedimentary rock
Metamorphic rock
Magmatic rock
dolomite, limestone
marble, phyllite
granite, rhyolite
malmstone, calcareous rock
slate, quartzite
olivinite, diabase
shale
schist, gneiss
basalt, gabbro
conglomerate, etc
…
andesite, diorite, etc
The compressive strength of common rocks
Rock name
Compressive strength (Mpa)
Rock name
Compressive strength (Mpa)
Rock name
Compressive strength (Mpa)
gabbro
180-300
diabase
200-350
shale
10-100
granite
100-250
basalt
150-300
malmstone
20-200
rhyolite
180-300
quartzite
150-350
conglomerate
10-150
diorite
100-250
marble
100-250
slate
60-200
andesite
100-250
gneiss
50-200
phyllite, schist
10-100
dolomite
80-250
calcareous rock
20-200
Because of its good hardness and stable chemical properties, rock is often used as high-quality building materials and concrete raw materials, and is widely used in construction, roads, highways, railways, engineering and other fields.
How to select the right crusher according to compressive strength?
