Specifications:
Carbon Black N220
Appearance: Black powder or granular
Specification:
Loding Absorption Number (g/Kg): 114-128
Absorption Value of DBP(10-5M3/Kg): 109-119
Absprption Value of compressing sample DPB (10-5M3/Kg): 95-105
Adsorptive Specific Surface Area of CATB (103M2/Kg): 106-116
Adsorptive Specific Surface Area of Nitrogen (103M2/Kg): 114-124
Tinting Strength: 110-120%
Heating Loss: 2.5% max
Ash: 0.5% max
Tensile Strength: -0.5 MPa min
300% Extending stress: -2.5~ -0.5MPa

Carbon Black N330
Appearance: Black powder or granular
Specification:
Loding Absorption Number (g/Kg): 77-88
Absorption Value of DBP(10-5M3/Kg): 97-107
Absprption Value of compressing sample DPB (10-5M3/Kg): 83-93
Adsorptive Specific Surface Area of CATB (103M2/Kg): 77-87
Adsorptive Specific Surface Area of Nitrogen (103M2/Kg): 78-88
Tinting Strength: 98-108%
Heating Loss: 2.5% max
Ash: 0.5% max
Tensile Strength: -0.5 MPa min
300% Extending stress: -2.0~0 MPa

Carbon Black N550
Appearance: Black powder or granular
Specification:
Loding Absorption Number (g/Kg): 39-47
Absorption Value of DBP(10-5M3/Kg): 116-226
Absprption Value of compressing sample DPB (10-5M3/Kg): 83-93
Adsorptive Specific Surface Area of CATB (103M2/Kg): 38-46
Adsorptive Specific Surface Area of Nitrogen (103M2/Kg): 38-46
Heating Loss: 1.5% max
Ash: 0.5% max
Tensile Strength: -3.5 MPa min
300% Extending stress: -2.0~0 MPa

Carbon Black N660
Appearance: Black powder or granular
Specification:
Loding Absorption Number (g/Kg): 32-40
Absorption Value of DBP(10-5M3/Kg): 85-95
Absprption Value of compressing sample DPB (10-5M3/Kg): 71-79
Adsorptive Specific Surface Area of CATB (103M2/Kg): 32-40
Adsorptive Specific Surface Area of Nitrogen (103M2/Kg): 30-40
Heating Loss: 1.5% max
Ash: 0.5% max
Tensile Strength: -3.0MPa MIN
300% Extending stress: -3.5~1.5 MPa.
Packing:25/50kg/bag,pp or kraft.20mt/20'FCL
CMC(Carboxy Methyl Cellulose Sodium )
HV-CMC (DRILLING TECH GRADE,HIGH VISCOSITY)
Degree of substitute:    0.80 min
Moisture:                10%max
Active content (purity): 95%min
PH value                 6.5-8.0
LV CMC (DRILLING TECH GRADE,LOW VISCOSITY)
Degree of substitute:    0.80 min
Moisture:                10%max
Active content(purity):  80%min
PH value:                7.0-9.0

Packing:25/50kg/bag,pp or kraft.20mt/20'FCL