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FUJI GLASS POWDER (FGP)

FUJI GLASS POWDER (FGP)

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FUJI GLASS BEADS (FGB) 
This spherical glass beads does not cut the surface more than necessary. It creates uniform pearskin surfaces
 It’s homogeneous, soda glass abrasive that is stable physicochemically. It does not cut processing surfaces more than necessary nor contamintate them, so it enables high-precision surface processing, and creates characteristic matte surfaces. Also it’s used for shot peening which prevents metal from fatigue breakdown or stress corrosion cracking, over a wide range. The processed surface is resemblant to that of a golf ball, showing gentle concavities and convexities. The more the particle diameter is big, the more the surface becomes glossy. Use application : Cleaning, post weld cleaning, before and after plating, adjusting sliding surfaces, deburring for powder metallurgy parts or aluminum die-cast products, cleaning molds for rubber / plastic / glass, deburring for gears, improving the resistance to fatigue, removing carbon deposition, pearskin finish for decorative purposes (digital cameras, notebook computers, etc.), deburring for injection needles, various surface finishing. 


This spherical glass beads does not cut the surface more than necessary. It creates uniform pearskin surfaces.

 
Hardness Comparison Table                                                            
TYPE GLASS BEADS FUJIRUNDUM A FUJIRUNDUM WA FUJIRUNDUM C FUJIRUNDUM GC
Vickers hardness 600        
Knoop hardness   HK2090 HK2050 HK2480 HK2700
Mohs hardness 6.5 12 12 13 13
Specific Gravity Comparison Table                                                
TYPE GLASS BEADS FUJIRUNDUM A FUJIRUNDUM WA FUJIRUNDUM C FUJIRUNDUM GC
Absolute specific gravity 2.50 3.93 3.54 3.22 3.18
Bulk specific gravity 1.60 1.95 1.76 1.58 1.56
Chemical component                                
-The method of chemical analysis meets JIS R6123 standards (the 1998 edition).      
-Rules and regulations meet JIS R6111 standards (the 1998 edition)          
FUJI GLASS POWDER (FGP)
This is grit type glassy abrasive that has a soft cutting ability. 
 
  SiO2 Na2O+K2O CaO MgO Al2O3 Fe2O3 Others
Value of standard 70~73 12~16 7~12 2~5 1.0~2.5 0.05~0.15 1.0>
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