Kategorie sortimentu

Types - grading

Raw vermiculite PP&V from mines in Palabora contains golden to brown flakes which are carefully divided in five categories - each of them has a specific extension of a size of particles.

Micron - grading 0 (0 - 1 mm)
 
Superfine - grading 1 (0 - 2 mm)
       
Bulk density: cca 120 – 130 kg/ m3 Bulk density: cca 100 - 110 kg/ m3
Manner of packing: 100 l – sack, Big Bag Manner of packing: 100 l – sack, Big Bag
       

 
 
 
 
 
 
Fraction Proportion
 
 
 
 
 
Fraction Proportion
2,0 – 1,0 mm 2 – 6% 2,8 – 2,0 mm < 5%
1,0 – 0,5 mm 60 – 80% 2,0 – 1,0 mm 45 – 65%
0,5 – 0,25 mm 20 – 35% 1,0 – 0,5 mm 25 – 40%
< 0,25 mm 1 – 5% 0,5 – 0,25 mm < 6%
  
  
< 0,25 mm < 5%
   
Fine - grading 3 (0 - 3 mm)
Medium - grading 4 (0 - 5 mm)
       
Bulk density: cca 85 - 90 kg/ m3 Bulk density: cca 80 - 85 kg/ m3
Manner of packing: 100 l – sack, Big Bag Manner of packing: 100 l – sack, Big Bag
       
Fraction Proportion
 
Fraction Proportion
5,6 – 3,15 mm < 5% 8,0 – 5,6 mm < 8%
3,15 – 2,0 mm 40 – 50% 5,6 – 3,15 mm 30 – 45%
2,0 – 0,5 mm 45 – 55% 3,15 – 2,0 mm 35 – 45%
< 0,5 mm < 5% 2,0 – 1,0 mm 10 – 15%
      < 1,0 mm < 6%
           
Large - grading 4 (0 - 8 mm)
     
           
Bulk density: cca 75 - 80 kg/ m3      
Manner of packing: 100 l – sack, Big Bag      
           
Fraction: Proportion:      
10,0 – 8,0 mm < 25%      
8,0 – 5,6 mm 40 – 50%      
5,6 – 3,15 mm 30 – 40%      
3,15 – 2,0 mm 2 – 5%      
< 2,0 mm < 5%      

 

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fax: +420 381 581 071
e-mail: grena@grena.cz
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