ITEMS           N220    N330   N550   N660

Iodine Absorption

Number g/kg         121 +/-5  82 +/-5      43 +/-4  36 +/-4

DBP Absorption

 Number 10value="5" tcsc="0" unitname="m3" w:st="on">-5m3/Kg   114 +/-5                   102 +/-5                 121 +/-5  90 +/-5

DBP Absorption           

Number of

Compressed Sample

 10value="5" tcsc="0" unitname="m3" w:st="on">-5m3/Kg           93~107  81~95        81~95   68~82

CTAB Surface Area

value="103" tcsc="0" unitname="m2" w:st="on">103m2/Kg            106~116  79~87        38~46   31~39

Nitrogen Surface

Area value="103" tcsc="0" unitname="m2" w:st="on">103m2/K G       114~124  78~88       38~46  30~40

Tint Strength          110~120  98~108          -    -

Heating Loss          3.0       2.5                 2.5    1.5

Ash                  0.5        0.5                   0.5   0.5

Tensile Strength Map ≥ -0.8      -1.5                  -3.5  -3.5

Extension% ≥         +nth="10" w:st="on" year="2010">10      -10                   -10  +10

Map Modulus

at 300%            -2.5 +/-1.3 -1.7 +/-1.3 -1.7 +/-1.3 -3.5 +/-1.3

Packing:25kg knitting bags top grade linerfilm,good properties of waterproof and avoid water,solarization;