国产精品每日更新_av免费网站在线观看日韩美一区二区三区_最新无码不卡手机在线视频_亚洲精品视频免费_中文字幕25天天夜夜_igao爱豆传媒为生活_美女黄色视频久久_一区av污在线观看免费_长篇女教师的荡欲小说_国色精品无码专区在线不卡

Welcome to the Dongguan Qiansebian New Material Co., Ltd.

2020-09-28

Welcome to the Dongguan Qiansebian New Material Co., Ltd.

Hydrochromic Ink

2020-09-28

With white color in appearance, will turn transparent when it is soaked, then recover white color without water. Basic information:Appearance color: whiteChange color: transparentStorage: It should be sealed in a shady place.Ink T...

Thermochromic pigment

2020-09-28

The pigments are composed of micro-capsules that change color reversibly. When the temperature is raised to a specified temperature the pigment goes from colored to colorless (or from one color to another color). The color returns...

Photochromic pigment

2020-09-28

The pigment changes color when exposed to the sunlight or UV light, and revert to the original color when removed from the light. Color conversion: from colorless to colored, from one color to another color. Basic information:Part...