Spherical silica powder(0.5~10um)

SINOSI GROUP can supply Spherical Fused Silica Powder.
 
The *9.*5% purity Spherical Fused Silica Powder is our leading materials. It can be widely used in the Electronic Packaging, UV Ink,  Underfills , Copper Clad Laminate , Silicone encapsulation, Epoxy coating ,Epoxy encapsulating, RTV silicone, Epoxy silicone and so on. It has a mono-dispersed, surface smoothness, good fluidity, low coefficient of thermal expansion characteristics . And it has been sold to more than *0 countries in the world. 
 
Product: Spherical Fused Silica Powder
Spec.: SiO2: *9.*5%(min)
Size: D*0: ***0um (according to user's demands)
Packing: *5kg/bag or *5kg/barrel

ITEM             UNIT         SSP - *0     SSP- 7 SSP- 4   SSP–2.5 SSP- 1
Size:  D*0     μm                  *0±2      7.0±1 4.0±1   2.5±0.5     1.0±0.5
Size:  Dmax                     *5        *0   *5      *0           5
SiO2 content      %                  *9.*5       *9.*5 *9.*5     *9.*5 *9.*5
H2O content                    0.*5       0.*5 0.*5     0.*5 0.*5
percent of spheroidization    >*8        >*8 >*8      >*8 >*8
Specific surface area M2g*1           1.0        1.5 1.7      1.9 9.0
Na             ppm                   <*0        <*0 <*0      <*0 <*0
K      ppm                   <2        <2 <2      <2         <2
Ca      ppm                   <3        <3 <3      <3         <3
Mg      ppm                   <1        <1 <1      <1         <1
Al      ppm                   <*0        <*0 <*0      <*0 <*0
Fe      ppm                   <*0        <*0 <*0      <*0 <*0
Ti      ppm                   <*0        <*0 <*0      <*0 <*0
As      ppm                   <1        <1 <1      <1         <1
P      ppm                   <1        <1 <1      <1         <1
Cr      ppm                   <1        <1 <1      <1         <1
Mn      ppm                   <1        <1 <1      <1         <1
Ni      ppm                   <1        <1 <1      <1         <1
Cu      ppm                   <1        <1 <1      <1         <1
Mo      ppm                   <1        <1 <1      <1         <1
U             ppb                   <0.3        <0.3 <0.3      <0.3 <0.3

If you are interested in above product and need detail specification,please feel free to contact us.
 
Best wishes!

Layen Peng