Product
Product
 
     
 
   
   Product Name:Silica Powder - Super Fine  
 
  
Silica Powder - Super Fine                        
was produced in the ceramic linned ball mill so that dirt,
                      contamination and impurity are prominently low. It is very
 pure(SiO2 99.8%), high white, high quality silica, with
very low moisture. It is produced by a special processing
technique and equipment, Plus Marlvern lasier PSD
controller, to assure controlled particle size distribution
also can assure the elimination of excessively coarse size
and fine particles.
Special Features:
   ● High whiteness ( whitness>94, >90)
● High chemical resistance
● Pure(high SiO2 content, low Iron, no visible impurity)
● Super Fine, PSD stable,controllable and free of coarse size.
Main Applications:
●    Paints(Marine,Container,Architectural,Automotive,Protective Coatings,PCM)
●    Organosilicon,Seal glue, wire coating materials,Silicon rubber
●    Electronic Materials etc.
Physical Property:
     Appearance(whiteness)
    White powder(>95, >90)
     Hardness(mohs)
     7
     Specific Grarvity
     2.65
     PH
     6-8.5
      Chemical composition   (wt%)
SiO2
>99.5
CaO
Trace
Al2O3
<0.15
MgO
Trace
Fe2O3
<0.03
H2O
<0.05
TiO2
<0.02
L.o.I
<0.2
Particle Size Specification & Oil Absorption

ITEM
GRADE
Particle Size (Micron)
Oil Absorption
(ASTM D—281)
Sieve Residue (%)
(325mesh)
  Top
Median
QS - 150
70
21
13-16
< 25
QS -200
40
17
16-19
< 3.0
QS -300
30
9
18-21
< 0.1
QS -1500
20
7
20-24
< 0.05
QS -5000
15
4
22-26
    < 0.01

 
Remark:  We also can produce product in accordance to customer’s special requirement

in particle size and chemicals,  based on customer’s need.