国产乱搞_女攻男受极限调教高h_日本免费A级毛一片_新西游记免费观看_97精品国产手机_久久天天躁夜夜躁狠狠躁2014

聯(lián)系方式
服務熱線:0531-85980985 

聯(lián)系人: 寧經(jīng)理
手機:13953116782
電話:15990999232
郵箱:499589624@qq.com
地址:濟南市槐蔭區(qū)清河北路11號(美里新居南門斜對面)亞德森工廠店

濟南工作服:簡單鑒別工作服的材質(zhì)

來源:http://www.tbjrw.cn 日期:2024-08-26 發(fā)布人:      

  一、棉纖維與麻纖維:
  燃燒特點:棉纖維與麻纖維都是剛近火焰即燃,燃燒迅速,火焰呈黃色,冒藍煙。
  Combustion characteristics: Both cotton fiber and linen fiber catch fire immediately when approaching the flame. They burn rapidly. The flame is yellow and emits blue smoke.
  氣味與灰燼區(qū)別:二者在燃燒散發(fā)的氣味及燒后灰燼的區(qū)別是,棉燃燒發(fā)出紙氣味,麻燃燒發(fā)出草木灰氣味;燃燒后,棉有極少粉末灰燼,呈黑或灰色,麻則產(chǎn)生少量灰白色粉末灰。
  Difference in smell and ashes: The difference between the two in terms of the smell emitted during combustion and the ashes after burning is that cotton burns with a paper smell, and linen burns with a plant ash smell. After burning, cotton has very little powder ash, which is black or gray, while linen produces a small amount of grayish-white powder ash.

  二、毛纖維與真絲:
  毛纖維燃燒特點:毛纖維遇火冒煙,燃燒時起泡,燃燒速度較慢,散發(fā)出燒頭發(fā)的焦臭味,燒后灰燼多為有光澤的黑色球狀顆粒,手指一壓即碎。
  Combustion characteristics of wool fiber: Wool fiber smokes when encountering fire. When burning, it bubbles. The burning speed is slow. It emits the scorched smell of burning hair. After burning, the ashes are mostly shiny black spherical particles that can be crushed with a finger press.
  真絲燃燒特點:真絲遇火縮成團狀,燃燒速度較慢,伴有咝咝聲,散發(fā)出毛發(fā)燒焦味,燒后結成黑褐色小球狀灰燼,手捻即碎。
  Combustion characteristics of silk: Silk shrinks into a ball when encountering fire. The burning speed is slow. It is accompanied by a hissing sound. It emits the scorched smell of burning hair. After burning, it forms dark brown small spherical ashes that can be crushed by hand twisting.
  三、粘膠纖維與銅銨纖維:
  粘膠纖維燃燒特點:粘膠纖維易燃,燃燒速度很快,火焰呈黃色,散發(fā)燒紙氣味,燒后灰燼少,呈光滑扭曲帶狀淺灰或灰白色細粉末。
  Combustion characteristics of viscose fiber: Viscose fiber is flammable. The burning speed is very fast. The flame is yellow. It emits the smell of burning paper. After burning, there is little ash. It is a smooth and twisted ribbon-shaped light gray or grayish-white fine powder.
  銅銨纖維燃燒特點:銅銨纖維俗名虎木棉,近火焰即燃燒,燃燒速度快,火焰呈黃色,散發(fā)酯酸味,燒后灰燼極少,僅有少量灰黑色灰。
  Combustion characteristics of copper ammonium fiber: Copper ammonium fiber is commonly known as tiger wood cotton. It catches fire when near the flame. The burning speed is fast. The flame is yellow. It emits an ester sour smell. After burning, there is very little ash. There is only a small amount of grayish-black ash.
聯(lián)系我們

座機:0531-85980985 

咨詢電話:13953116782

電話:15990999232

郵箱:499589624@qq.com

地址:濟南市槐蔭區(qū)清河北路11號(美里新居南門斜對面)亞德森工廠店

關注我們
微信二維碼

微信二維碼

濟南亞美森服飾有限公司 備案號:魯ICP備19008571號-2 網(wǎng)站地圖XML TXT

魯公網(wǎng)安備 37010402000762號

主站蜘蛛池模板: 亚洲aaa精品 | 国产精品情侣呻吟对白视频 | 国产成人精品自产拍在线观看 | 无码国模国产在线观看免费 | 色综合一 | 国产精品久久成人网站 | 狠狠cao在线视频观看 | 草草影院ccyy国产日本欧美 | 无码高潮少妇毛多水多水免费 | av丝袜国产手机在线 | 中文字幕第8页 | 天天爽夜夜爽人人爽曰 | 亚欧日韩欧美网站在线看 | 日本人丰满XXXXHD | 综合激情网 | 国产专区免费av无码 | 性欧美xxxx乳 | 国产精品成熟老女人视频 | 暖暖 在线 日本 免费 中文 | 在线观看亚洲AV无码每日更新 | 夜夜高潮夜夜爽高清视频一 | 四虎影视1304t | 亚洲成av人片在线观看无码不卡 | 内射爽无广熟女亚洲 | 国产精华液一线二线三线 | 麻豆最新 | a级黑粗大硬长爽猛出猛进 91极品视频在线观看 | 欧美老妇多毛XXXXX极瑞视频 | 噼里啪啦免费看高清片 | 中文字幕第二色 | 免费人成A片在线观看免费 性少妇freesexvideos强迫 | 免费国产成人高清在线视频 | 欧洲熟妇色XXXX欧美老妇免费 | 美女裸身裸乳无遮挡网站 | 好了av四色综合无码 | 五月婷久久综合狠狠爱97 | 亚洲男女内射在线播放 | GOGOGO免费视频观看 高清国语 | 无码少妇人妻专区在线视频 | 亚洲AV午夜福利精品一区二区 | 天干天干天啪啪夜爽爽AV |