Black Lump Solid Coal Tar Extract For Waterproof Coil CAS 65996-93-22018-12-04 14:18:24 |
Nature Hard Asphalt , Coal Tar Pitch Block Volatile Matter 53 - 57 %2018-05-22 14:13:34 |
Coal Tar Chemicals Sulfonated Asphalt Powder Black Granular Material2018-03-30 09:13:02 |
Black Modified Coal Tar Pitch 110-120 Soften Point Granule Or Powder2018-11-05 13:33:05 |
Modified Hard Pitch CAS No. 65996 93 2 Obtained From General Coal Pitch2017-09-26 11:35:53 |
Medium Temperature Coal Pitch Black Granular Softening Point 80 - 902018-05-22 13:50:11 |