亚洲av无码国产精品色午友在线,国产精品涩涩涩视频网站,在线观看视频播放,免费无码一区二区三区蜜桃

二氧化硅基質(zhì)微米球囊
  • 產(chǎn)品詳情

微觀形貌為白色帶孔圓球,熔點(diǎn)1670℃,球體大小分布在2-30μm。用途:包裹香精后,用于陶瓷上釉、汽車油漆、塑膠、無紡布、皮革、家具、涂料、高分子注塑制品等能夠長(zhǎng)期緩慢釋放香氣,用于室內(nèi)涂料可吸附游離甲醛、游離酚,凈化室內(nèi)空氣,包裹不同顏色熒光粉,在紫外燈下可延時(shí)發(fā)光,用于商品防偽。


Silicon Dioxide Substrate Based Micron-Sized Ball Bag


This product comprises white pored round balls in microscopic shape with melting point of 1670℃. These balls are distributed from 2μm to 30μm in size. Usage: Wrapped with essence, this product, when applied to, among other things, ceramics glazing, auto paint, plastics, non-woven fabrics, leather, furniture, paints and high molecular injection molding products, can release fragrance slowly for a long term and when applied to indoor coating, can absorb free formaldehyde and free phenol to purify indoor air; furthermore, when wrapped with phosphor powders of different colors, this product may emit light in delay under ultraviolet lamp and be used for anti-counterfeiting of commodities.

乱色熟女综合一区二区三区| 精品国产三级在线观看| 午夜无码a级毛片免费视频| 香蕉久久夜色精品升级完成| 欧洲熟妇色xxxx欧美老妇| 国产av旡码专区亚洲av| 日本护士吞精囗交gif| 丰满多毛少妇做爰视频| 极品老师腿张开粉嫩小泬| 97精品人妻系列无码人妻| 久久精品国产精品亚洲精品| 少妇夜夜春夜夜爽试看视频| 日韩日韩日韩日韩日韩日韩| 国产自国产自愉自愉免费24区| 亚洲精品无码专区在线播放| 69久久夜色精品国产69| 玩弄丰满奶水的女邻居| 色吊丝中文字幕| 性激烈的欧美三级视频| 成人午夜精品无码区| 久久久久亚洲av无码专区| 高潮毛片无遮挡高清免费| 欧美三级不卡在线观看| 久久夜色精品国产| 色一情一区二| 色一情一乱一伦一区二区三区日本| 好吊视频一区二区三区| 国产精品国产免费无码专区不卡| 亚洲v欧美v国产v在线观看| 老熟女多次高潮露脸视频| 精品国产一区二区三区av片| 最好看的最新高清中文视频| 精品国产人妻一区二区三区 | 人妻少妇精品久久| 丰满人妻一区二区三区视频| 亚洲国产精品无码专区| 伊人激情av一区二区三区| 亚洲精品综合一区二区| 大学生被内谢粉嫩无套| 中文字幕日本最新乱码视频| 亚洲精品~无码抽插|