99re66热这里只有精品8,亚洲一区精品在线,人人插人人玩,天天干天天摸天天操,99久久免费视频在线观看,国产福利在线视频观看,国产末成年女一区二区稀缺资源

Welcome toChangzhou Tianrong Testing Technology Co., Ltd! Home |  Contact
whiteness tester
whiteness tester
Detailed instructions:

Summarize

This instrument is suitable for testing the whiteness of whit color, near white object or powder surface. It can measure the whiteness value consistent with the visibility accurately. As for the object processed by flourescent brightener, the instrument can quantitatively reflect the value of whiteness whitened by flourescent brightener. Besides, the instrument can also accurately measure the opaqueness of paper. The instrument can be used for making whiteness measurement on textile, printing and dyeing product, paint, coating, paper, plastic product, white cement, starch and other things. 

standards :JJG 512- 2002, GB2913,GB5950,GB8940. 1, GB12097,GB13025. 2。

Technical parameterimage

溧阳市| 同心县| 石泉县| 枣强县| 营山县| 丁青县| 新丰县| 江源县| 阳东县| 淅川县| 武宁县| 青神县| 孝昌县| 方正县| 延吉市| 石柱| 秦安县| 汉源县| 青田县| 安乡县| 渭南市| 长沙市| 贵阳市| 乌审旗| 济源市| 老河口市| 白朗县| 修水县| 恭城| 会同县| 肇州县| 焦作市| 惠水县| 鄂托克前旗| 阿克陶县| 台北市| 河北省| 洪泽县| 古丈县| 高邑县| 尼勒克县|