无锡双诚炭黑科技股份有限公司

	N219	N220	N234	N326	N330	N339	N347
iodine absorption value g/kg	118±7	121±7	120±7	82±7	82±6	90±6	90±6
Oil absorption value 10^-5m³/kg	78±6	114±6	125±7	72±6	102±6	120±7	124±7
Compressed sample oil absorption value 10^-5m³/kg	69~81	92~104	96~108	62~74	82~94	93~105	93~105
Tinting strength %	115~131	108~124	115~131	103~119	96~112	103~119	97~113
CTABAdsorption specific surface area 10³m²/kg	100~114	103~117	109~125	74~86	73~85	86~98	81~93
Surface area 10³m²/kg	--	99~113	105~119	70~82	69~81	82~94	77~89
The total surface area 10³m²/kg	109~123	107~121	112~126	72~84	72~84	85~97	79~91
Heating decrement %	≤2.5	≤2.5	≤2.5	≤2.0	≤2.0	≤2.0	≤2.0
300%Constant tensile stress Mpa	-3.5±1.5	-1.9±1.5	0.0±1.5	-3.5±1.5	-0.5±1.5	1.0±1.5	0.6±1.5
pour density kg/m³	440±40	355±40	320±40	455±40	380±40	345±40	335±40

	N351	N375	N539	N550	N660	N762	N774
iodine absorption value g/kg	68±6	90±6	43±5	43±5	36±5	27±5	29±5
Oil absorption value 10^-5m³/kg	120±7	114±6	111±6	121±7	90±5	65±5	72±5
Compressed sample oil absorption value 10^-5m³/kg	89~101	90~102	76~86	80~90	69~79	54~64	58~68
Tinting strength %	93~107	107~121	--	--	--	--	--
CTABAdsorption specific surface area 10³m²/kg	68~80	89~101	35~47	36~48	31~43	25~37	26~38
Surface area 10³m²/kg	64~76	85~97	33~43	34~44	29~39	23~33	24~34
The total surface area 10³m²/kg	65~77	86~100	34~44	35~45	30~40	24~34	25~35
Heating decrement %	≤2.0	≤2.0	≤1.5	≤1.5	≤1.5	≤1.5	≤1.5
300%Constant tensile stress Mpa	1.2±1.5	0.5±1.5	-1.2±1.5	-0.5±1.5	-2.2±1.5	-4.5±1.5	-3.7±1.5
pour density kg/m³	345±40	345±40	385±40	360±40	440±40	515±40	490±40

Product characteristics and uses

Varieties	Characteristic	Typical use
N219	Low structure, high tinting strength, low elongation and high elongation	Rubber products / color / fiber / plastic
N220	Wear resistance and crack resistance is high, compared with N110, low stress and low dispersion, good dispersion.	Reinforcing carbon black for tire tread, high quality industrial rubber products and high load conveyor belts.
N234	Excellent wear resistance, high dynamic stability, low rebound rate.	High performance tire tread. High quality industrial rubber products and high load conveyor belt.
N326	Low tensile stress, high elongation, good fatigue resistance, tear strength.	Engineering tire tread, steel wire bundle compound, conveyor belt, industrial seals and products.
N330	Both good wear resistance and medium hysteresis.	Tire belt, sidewall, solid tire, outer layer of roller, rubber tube surface, industrial rubber products, car tire tread.
N339	High abrasion resistance, excellent extruding properties	Passenger car tire tread, industrial rubber products and conveyor belt.
N347	Similar to N339, it is easy to process and has low hysteresis performance, but poor wear resistance.	Passenger car tire tread, tire parts, industrial rubber seals and products.
N351	High abrasion resistance, excellent extruding properties.	Passenger car tire tread, industrial rubber products and conveyor belt.
N375	Compared with N339 and N347, it has higher strength, lower modulus and higher hysteresis.	Car and truck tire tread. Transport belt surface. Industrial rubber products.
N539	Compared with N550, reinforcing structure is low, low, high die swell, filled with a large amount of.	The carcass and tire rubber, rubber hose, rubber extruder, seal and moulded rubber products.
N550	The soft carbon black has the best reinforcing performance, good extrusion performance and low rebound rate.	The carcass and tire rubber, rubber hose, rubber extruder, seal and moulded rubber products.
N660	Compared with N550, reinforcing structure is low, low, high die swell, filled with a large amount of.	Tire and tube compound, general molding and extrusion applications, single moisture system products.
N762	The tensile strength of moderate high, tear resistance and low heat generation, high filling still has a good processing performance amount.	Rubber / matrix / valve
N774	The tensile strength of moderate high, tear resistance and low heat generation, high filling still has a good processing performance amount.	Rubber / matrix / tube / valve