女人69xxx-女人18毛片视频一级毛片容-女仆用丝袜脚踩我的裤裆-女仆胸大又放荡的h-99精品久久99久久久久-99精品久久

Welcome: Linyi Qihong Biological Products Co.,Ltd
Language: Chinese ∷  English

Lost foam casting of metallurgical pellets

In metallurgy(all kinds of mineral powder) and anthracite briquette forming, the dry and wet briquette strength, anti explosion and compression resistance are improved. Reduce it The dosage of the preparation ensures the roasting process of the pellet and inhibits the grade decline of the pellet (concentrate).The
excellent increase of EPC Viscosity, air permeability and fluidity ensure the uniform film-forming of the mold surface coating, the finished product surface has no pores, good finish, easy processing, etcadvantage

Model index
Viscosity(2% aqueous solution 25℃ MPa.S)600-800400-600
Degree of substitution(D.S)≥0.68-0.750.7-0.82
PH value 7-8.5
Drying loss(%)≤10
Purity≥75


INQUIRY

CATEGORIES

LATEST NEWS

CONTACT US

Contact: Wei

Phone: 13608909311(微信同號)

Tel: 0539-5777292(傳真) 0539-5777182(傳真)

Email: lyqihongyao@126.com

Add: Fangcheng Town, Lanshan District, Linyi City, Shandong Province

Scan the qr codeClose
the qr code
主站蜘蛛池模板: 无人视频在线观看免费播放影院| 午夜在线观看免费完整直播网| 久久伊人影院| 国产性夜夜春夜夜爽1A片| 亚洲spank男男实践网站| 特黄女一级毛片| 狠狠色狠狠色综合日日91app| 亚洲午夜久久久久中文字幕| 亚洲欧美在无码片一区二区| 亚洲国产天堂久久综合图区| www.av色| 一本伊人| 东北老妇xxxxhd| 婷婷久久激情啪啪| 在线观看日韩精品| 亚洲无毛片| 视频在线观看高清免费看| 亚洲精品一区波多野结衣| 亚洲欧美综合网| 午夜电影三级还珠格格| 69久久国产露脸精品国产| 麻豆精品人妻一区二区三区蜜桃| 国产午夜精品久久久久九九| 日本一区不卡在线观看| 精品国产在线国语视频| 在线91精品亚洲网站精品成人| 国产高清美女一级毛片久久| 欧美A级肉欲大片XXX| 精品视频在线观看视频免费视频| 亚洲网站免费观看| 消息称老熟妇乱视频一区二区| 中国人泡妞xxxxxxxx19| 国产精品XXXXX免费A片| 亚洲欧美在线免费| 听见凉山全集免费观看| 最新国产在线视频在线| 五月色综合婷婷久久狠狠| 小说区图片区综合久久亚洲| 久久www免费人成高清| 女性BBWBBWBBWBBW| 色综合久久天天综合绕观看|