国产伦理一区二区,50岁四川熟女露脸A片,亚洲AV天堂AV在线成人播放,国产又黄又爽又湿的免费网站

Now the latex gloves has become the public daily family necessities. Shangjie to buy several pairs of soft clean latex gloves home dishes, wipe the table clean windows is again common however of affair. But, when you buy latex gloves, be careful, must the authenticity of pros and cons, beware of being counterfeit and poor quality of latex gloves are hurt. Because the inferior latex gloves will not only allow you to spend money, but also affect the physical health.

According to professionals, in the authenticity of latex gloves when a look feel, genuine latex gloves are in natural rubber as main raw material, soft, loose, not hard winter, and inferior goods and feel hard, not soft. Two see gloves appearance, high quality latex gloves bright appearance fresh slide, and counterfeit goods is rough appearance, color is dark. Three see mix of raw materials, genuine latex gloves are in accordance with scientific batching production, no leakage, long to return, and inferior latex gloves as the rubber content is low, elongated white and can not return on time, Chong gas leakage signs. Four see weight, genuine latex gloves for every pair of about 95 grams, while the poor quality of the counterfeit goods is only 75 grams, feeling a bit thin.