chemical filler

Main Purpose : refractory materials , lapping & polishing , chemical ball filler , etc.

主要用途：耐火材料、研磨抛光、化工填料球等。

The weld zone is the weakest in welded joint due to effects of chemical components of filler and crystallization process .

因焊丝合金化学成分和结晶过程的影响，焊缝处是合金接头的薄弱环节。

Physical and chemical interactions between filler and rubber ⅲ Al_2O_3 and Al_2O_3 / NDZ-101 with NR

填料与橡胶的化学和物理作用及其对橡胶的补强ⅢAl2O3、nAl2O3和nAl2O3/NDZ-101与NR

Based on the researches on surface OH group , surface defect and surface modifying agent of mineral powder , surface group was an important factor affecting chemical action between filler and matrix .

具有表面活性基团（通过表面改性）、表面缺陷和适量的表面羟基是提高粉体增强性能的重要因素。

The results indicate that the crack is related to the chemical composition of the filler metal .

试验表明，焊接裂纹与填充材料的化学成分有一定关系。

Study on the treatment of mixing chemical wastewater by BF filler bio-contact oxidation

BF填料接触氧化法处理化工综合废水试验研究

With the increase of brazing temperature or brazing holding time and the decrease of joint clearance , the amount of solid solution increased and the amount of brittle compounds decreased , with stronger metallurgical chemical reaction between the filler and the base metals .

随钎焊温度的增加、钎焊保温时间的延长以及接头间隙的减小，钎焊接头中的固溶体含量增多，脆性化合物含量减少，钎料和母材金属能实现更强的冶金化学反应。