EXPANDABLE GRAPHITE  

 

 

SYNONYM: MINERAL CARBON; BLACK LEAD  

 

 

FORMULAR: C  

 

 

M.W.: 12  

 

 

CAS NO.: 7782-42-5  

 

 

H.S. NO.: 6815.1000  

 

 

DESCRIPTION: STEEL GRAY TO BLACK, GREASY FEELING, ODORLESS POWDER. GOOD EXPANSION, THE FINISHED PRODUCT HAS FEATURES OF HIGH TEMPERATURE RESISTANCE, RADIATION RESISTANCE, HEAT INSULATION, LUBRICITY, PLASTICITY, AND CHEMICALINERTNESS.  

 

 

GRADE: TECH GRADE  

 

 

SPECIFICATIONS:  

 

ITEM  

9950220  

9950350  

FIXED CARBON  

99%MIN.  

99%MIN.  

SIZE ON 50 MESH  

80% MIN.  

80% MIN.  

MOISTURE  

1.0% MAX.  

1.0% MAX.  

S (BEFORE EXPAND)  

2.2% MAX.  

2.2% MAX.  

PH  

3-7  

6-8  

VALATILE MATTERS  

12% MAX.  

16% MAX.  

EXPANSION RATIO (ml/g)  

220 MIN.  

350 MIN.  

 

 

USES: IT IS A VERY IDEAL AND NEW TYPE SEALING MATERIAL, WIDELY USED IN DYNAMIC AND STATIC SEALS IN PETROLEUM, CHEMICAL INDUSTRY, ELECTRICITY, ASTRONOMY AUTOMOBILE ,SHIP AND OTHER APPARATUS .WHEN THE EXPANDABLE GRAPHITE WAS TREATED IN A TWINKLING AT HIGH  TEMPERATURE,THE FORM OF FLAKE HAS TURNED INTO THAT OF WORM ,AND IT CAN EXPAND FROM 100 TO 400 TIMES . THIS EXPANDABLE GRAPHITE STILL REMAINS THE CHARACTERISTICS OF NATURAL GRAPHITE , AND ALSO HAS GOOD PLASTICITY, EXTRUSION AND EXCELLENT SEALING .IT IS A SUPER RAW MATERIAL OF ALL KINDS OF GRAPHITE SHEET AND SEALING PRODUCTS .IT IS ALSO USED IN METALLURGY AS PROTECTIVE SLAG AND HEATING AGENT .  

 

 

PACKING:   25KGS NET IN WOVEN BAG; 20MT INTO 1X20’FCL  

 

 

STORAGE: STORE IN A COOL, DRY, DARK, VENTILATED AREA  

 

 

REMARKS: WE ALSO CAN SUPPLY 32-80MESH AND 200-350ml/g EXPANSION RATIO PRODUCTS.