CAOPORN免费视频国产,成人性生交大片免费看中文 ,久久不卡国产一区二区,久久国内偷拍综合视频,亚洲精品乱码久久久久66,亚洲国产系列一区二区三区,色欲91,精品国产福利片在线观看

        Welcome to visit Liyang Yutian Chemical Co.,Ltd.

        中文版  |   English

        Liyang Yutian Chemical Co.,Ltd.

        Product details

        Pentamethyldiethylenetriamine

         

         

        CAS No.: 3030-47-5
        Product Specification:

        Item

        Indicators

        Proportion

        0.8335±0.0005

        Refractive index(n20D)

        1.4435±0.0005

        Boiling point

        201℃

        Flash point

        75℃(167°F)

        Water solubility

        Not completely dissolved

        Appearance

        Colorless to pale yellow transparent liquid

        Product introduction: The catalyst is a highly reactive tertiary amine catalyst, its chemical composition is pure pentamethyldiethylenetriamine(PMDETA).
        Application: The catalyst is generally used in rigid foam can improve the effect of strong foam bubble mobility, it is often as a total catalyst, dimethyl cyclohexane, dimethyl ethanolamine share. Less fluorine rigid formula, due to the increase in moisture, accelerate the foam reaction.
        Safety and Handling Precautions: According to the classification system of the U.S. Transport Department, the catalyst will be classified as alkaline corrosive liquid; if contact with skin, eyes, lungs and mucus membrane, the product is now significant toxicity and can cause severe irritation. Be careful to avoid such products contagious skin and eyes, and to avoid breathing vapors. In dealing with such products, to wear chemical protective masks, ethyl rubber gloves, rubber boots and aprons. For exposure in the aerosol of this product are required to wear breathing apparatus to protect. Once a contagious skin or eyes, the need to immediately wash the affected area with plenty of water for at least 15 minutes and seek medical advice immediately.
        Packing: 25kg,l70kg metal pail or plastic drum.

        【BACK】