永久综合人人视频在线观看_永久视频在线观看_永久免费毛片在线播放_永久免费观看美女裸身网站_永久免费AV无网站在线观看_永久免费A∨片在线观看_久久狠狠五月婷婷

石英檢測
Your current location: Home >> News >> Technical information

How to detect the authenticity of quartz stone?

2020-01-09 H:34:21
second

Many people are very understanding of quartz stone, do know to start when buying, stone space through a few experiments to let you know how to identify the true false quartz stone mesa.


1, regular quartz stone back will have the stone company's jet code, see the quartz stone surface finish, with a marker pen on the quartz stone to draw, see if you can erase, can erase the stain resistance is strong, wipe the stain resistance is poor! High quality quartz stone has cut grain.


2, with commonly used white vinegar poured on the quartz stone table, 30 seconds later, if many tiny bubbles, that is the word this quartz stone decoration is false!


3, inferior quartz stone with a knife after scraping, there will be powder. The hardness of high quality quartz stone is hard, there will be no powder after scraping, there will be the metal color of the knife left on the quartz stone.


4, burn with a lighter on the quartz stone table, add some detergent water then scrub.


Inferior quartz stone, there will be a yellow trace after burning. High quality quartz stone burning after the basic can wipe clean.


High temperature resistance: 300℃. Use a stainless steel cup filled with boiling water on the counter for 30 minutes. with a burning cigarette on the quartz stone, do change color.


Stain resistance: with soy sauce, vinegar, coffee drops on the quartz stone, 24 hours later with detergent water wipe, observe no discoloration.


Environmental protection: can provide the authority to test the green environmental protection certification.


Fire resistance: with 10㎜ x 30㎜ quartz stone thin on the fire can burn.


Acid alkali resistance: with 3% hydrochloric acid solution 100g/L citric acid solution, 30g/L sodium hydroxide potassium hydroxide solution etching surface, the surface has no obvious changes.


Water absorption rate: less than 0.04%, sprinkle a little water on the surface of the quartz stone to observe the color of no whitening after 24 hours.


Label

Recent:

Related products

Related news

墨玉县| 清原| 忻州市| 井冈山市| 连江县| 淮南市| 凤庆县| 南投县| 瓮安县| 通州区| 青浦区| 桂林市| 泸定县| 成安县| 沁阳市| 阿坝县| 兴隆县| 汶上县| 黄石市| 卢氏县| 高州市| 梁平县| 湘潭县| 岳阳县| 西华县| 梁河县| 琼海市| 岑溪市| 海丰县| 凤台县| 林口县| 响水县| 浦东新区| 邹城市| 晋宁县| 从化市| 诸城市| 龙井市| 凌源市| 临颍县| 安达市|