经超临界甲苯萃取过的沥青(SCFE沥青)丝毫不含导致小单元尺寸各向异性结构的喹啉不溶物(QI)。
Pitches extracted -with supercritical toluene (SCFE pitch) contained none of the quinoline insoluble (QI) matter responsible for anisotropic structures with small unit sizes.
耐磨耐用皮革脚垫简介* 1。环保健康一流产品:不含挥发性碳氢化合物,诸如可塑剂、溶剂(甲苯)及PVC有毒重金属;
The environmental health of first-class products: non-volatile hydrocarbons, such as plasticizers, solvents (toluene) and toxic heavy metals in PVC;
本产品不含甲醛、游离tdi及二甲苯类有毒物质,以纯净水为稀释剂,环保、安全、不燃不爆。
This product does not contain formaldehyde, TDI, and Xylene class substances. Diluting by purified water, it is green, safe, non-burning and non-burst.
以上粘合剂均不含苯、甲苯、二甲苯等有害成份,符合国家标准HJBZ28- 1998。
Adhesives are not more than benzene, toluene, xylene and other harmful elements, consistent with national standards HJBZ28-1998.
以上粘合剂均不含苯、甲苯、二甲苯等有害成份,符合国家标准HJBZ28- 1998。
Adhesives are not more than benzene, toluene, xylene and other harmful elements, consistent with national standards HJBZ28-1998.
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