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Soft Grade
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KOREA CARBON BLACKÀÇ °í¹«¿ë Ä«º» ºí·¢
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°í¹«¿ë Ä«º»ºí·¢Àº Ä«º»ºí·¢ ½ÃÀåÀÇ ´ëºÎºÐÀ» Â÷ÁöÇÏ°í ÀÖÀ¸¸ç,ÀÚµ¿Â÷, Ç×°ø±â ¹× »ê¾÷¿ë ŸÀ̾îµî °í¹« °ü·Ã Á¦Ç°ÀÇ Çʼö º¸°­Á¦·Î¼­ »ç¿ëµÇ°í ÀÖ½À´Ï´Ù.
°í¹«¿ë Ä«º»ºí·¢ÀÇ ºÐ·ù
Grade º° Ư¼º¿¡ µû¸¥ ºÐ·ù
1. Hard grade(Tread) : ŸÀ̾îÀÇ µµ·Î ÀåÂø¸é¿¡ ÁÖ·Î »ç¿ë.
2. Soft grade(Carcass) : ŸÀ̾îÀÇ Ãø¸éºÎºÐ¿¡ ÁÖ·Î »ç¿ë.
ASTM(American Standard Test Method) ºÐ·ù±âÁØ¿¡ µû¸¥ ºÐ·ù
ASTM CODE ÀϹݸíĪ ÀÔÀÚ°æ(nm)
N100 SAF(Super Abrasion Furnace: Ãʳ»¸¶¸ð¼º) 11 ~ 19
N200 ISAF(Intermediate Super Abrasion Furnace : ÁØÃʳ»¸¶¸ð¼º) 11 ~ 19
N300 HAF(High Abrasion Furnace : °í³»¸¶¸ð¼º) 26 ~ 30
N400 XCF(Extra Conductive Furnace : ÃÊÀüµµ¼º) 31 ~ 39
N500 FEF(Fast Extruding Furnace : ¾ç¾ÐÃ⼺) 40 ~ 48
N600 GPF(General Purpose Furnace : ¹ü¿ë¼º) 49 ~ 60
N700 SRF(Semi Reinforcing Furnace : Áߺ¸°­¼º) 61 ~ 100
N800 FT(Fine Thermal : ¹Ì¸³¿­ºÐÇØ) 101 ~ 200
N900 MT(Medium Thermal : Á߸³¿­ºÐÇØ) 201 ~ 500
Corax Ä«º»ºí·¢ÀÇ ¹°¸® È­ÇÐÀû Ư¼º
Hard Grade Soft Grade
HP130 HP1107 N219 N220 N234 N326 N330 N339 N351 N375 MAF N550 N660 N762 N774
Iodine Adsorption No.(§·/g)
¿ä¿ÀµåÈíÂø·®
115 140 116 121 119 82 82 90 67 90 54 42 36 27 29
Nitrogen Surface Area(§³/g)
Áú¼ÒÈíÂøÇ¥¸éÀû
127 147 118 119 126 84 83 96 73 100 60 42 35 27 29
Tinting Strength
(% vs IRB#3) ºñÂø»ö·Â
120 127 117 115 123 112 103 110 100 115 60 57 58 60 60
DBP Absorption No.
(cc/100g) DBPÈíÀ¯·®
135 130 78 114 125 72 102 122 120 114 133 122 91 65 72
Ash Content (% Max.)
ȸºÐ
0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75
Heating Loss (% Max.)
°¡¿­°¨·®
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
pH Value
¼ö¼ÒÀÌ¿ÂÁö¼ö
7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 8.0 8.5 8.5
Pour Density (§¸/§©)
°íºñÁß
320 325 440 340 335 455 375 335 340 350 335 355 425 460 460
Sieve Residue US Sieve
No 325(ppm,Max.)
#325üÀܺÐ
300 300 300 300 300 300 300 300 300 300 300 300 300 300 300
Sieve Residue US Sieve
No 35(ppm,Max.)
#35üÂùºÐ
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Influence of structure and specific surface area of carbon blacks on rubber properties
Influence Increasing structure Increasing Specific Surface area
(Decreasing particle size)
Dispersion
Mooney-Viscosity
Die Swell
Extrusion Rate
Stress at 300% Elongation
Tensile strength
Elongation at Break
Resilience
Shore Hardness
Compression Set (CS)
Abrasion Resistance
Heat Build -UP (HBU)
Tear Resistance
increases decreases slight effect no influence ambiguous effect