Mainly produces a series of intermediate products based on naphthalene and benzene

                  +中文版+   +ENGLISH+

                  PRODUCTS

                  Ultraviolet absorbent UV-9
                  Synonyms Ultraviolet absorbent UV-9
                  CAS NO 131-56-6
                  Structural formula
                  Molecular weight 228.24
                  Molecular Formula C14H12O3
                  Indicators

                  Appearance:white or light green crystal powder
                  Melting point: 62.0-65.0 ℃
                  Loss on drying: ≤ 0.2%
                  Content: ≥ 99.0%
                  Heavy metal: ≤ 5ppm
                  Ignition residue: <0.1%
                  Mucedine: <100CFU
                  Total number of bacterium: <300CFU, no checking salmonella and colibacillus
                  Specific absorptivity(288nm): ≥ 630
                  Nontoxicity: no thrill for skin.
                  Packing:paper drum 25kg/ drum
                  Storage: airproof and avoid light
                  Use:it is wide ultraviolet absorbent. It has many features including notoriety, heat stability and others. It has protection function for PVC and unsaturated polyester
                  Valid period:2 years

                  HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   CONTACT  |   中文版

                  Add:Room 401-418, Building 18, Changjiang Plastics Chemical Market, 600 Tongjiang Middle Road, Xinbei District, Changzhou City
                  E-mail:xinyan_gu@changyuchem.com

                  International Trade:
                  Tel: +86-519-85481997/81187592/85761005
                  Fax: +86-519-85484533/85761018

                  Domestic Trade:
                  Tel: +86-519-85481743/85772200/85761002
                  Fax: +86-519-85481030/85761058

                  Copyright(C)2019, Changzhou Chungang Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案字號:蘇ICP備11031745號

                  明星换脸范冰冰在线日韩,一区国产二区欧美三区日韩Av,亚洲国产制服丝袜先锋,老汉色老汉首页影院,国产欧阳娜娜换脸AV,亚洲 欧美 国产 综合首页,亚洲国产韩国欧美在线不卡