• <fieldset id="8wq2i"></fieldset>
    <fieldset id="8wq2i"></fieldset>
    • <fieldset id="8wq2i"></fieldset>
    • <strike id="8wq2i"><input id="8wq2i"></input></strike>
    • <strike id="8wq2i"></strike>
    • 色偷偷噜噜噜亚洲男人,欧美人妻精品一区二区三区,性饥渴老头XXXXⅩHD,日本又黄又爽GIF动态图
      Hotline:400-880-1556

      English




      basic introduction

      Chemical additives, especially chemical additives required by a certain industry, which are not limited to metal processing additives, plastic additives, papermaking additives, construction additives, water treatment additives, coating additives, leather additives Agent, textile printing and dyeing auxiliary, etc.

      Testing products

      Rubber additives:

      Various inorganic fillers, vulcanization aids (vulcanizing agents, crosslinking agents, accelerators, activators and anti-scorching agents), protective aids (antioxidants, anti-ozonants, anti-flex cracking agents, light stabilizers, UV Light absorbers, harmful metal inhibitors, physical antioxidants, termite inhibitors, mildew inhibitors) reinforcement aids (carbon black, white carbon black, metal oxides, inorganic salts, resins) process operation aids (plasticizers) , Solubilizers, plasticizers, softeners, leveling agents, lubricants, dispersants, tackifiers, release agents, release agents) special additives (colorants, foaming agents, defoamers, thickeners, Ointment, wetting agent, emulsifier, stabilizer, coagulant, heat sensitive agent, anti-webbed agent, preservative, preservative, flame retardant, antistatic agent, fragrance, etc.).

      Plastic additives:

      Plasticizers (orthophthalic plasticizers, etc.), heat stabilizers, antioxidants (158, 1010, etc.), light stabilizers, flame retardants, foaming agents, antistatic agents, mildew inhibitors, colorants, Brightener, filler, coupling agent, lubricant, mold release agent

      Paint and pigment additives:

      Drier, toughener, emulsifier, thickener, pigment dispersant, defoamer, leveling agent, anti-skin agent, matting agent, light stabilizer, mildew inhibitor, antistatic agent, etc.

      Adhesive additives:

      Curing agent, cross-linking agent, initiator, photoinitiator, catalyst, accelerator, toughener, tackifier, plasticizer, thickener, diluent, solvent, coupling agent, emulsifier, reinforcing agent, Fillers, flame retardants, polymerization inhibitors, oxidants, softeners, antioxidants (PAN, 6PPD), dispersants, foaming agents, defoamers, sterilization and preservative colorants, etc.

      Other additives:

      Antifreeze, cutting fluid, polymerization aid, surface treatment agent, snow melting agent, water reducing agent, whitening agent, mold release agent, rust inhibitor, catalyst, refrigerant, waterproof agent, water treatment agent, additive, arsenic removal agent , Desulfurization agent, dechlorination agent, mercury removal agent, vehicle urea, etc.

      Test items

      Detection: purity, density, PH value, limiting viscosity, scale inhibition performance, corrosion inhibition performance, critical micelle concentration, interfacial tension, wetting force, iodine value, acid and alkali resistance, viscosity, activity test, specific surface area, air Productivity, thermal stability, stability, cooling, corrosiveness, sealing, detection of harmful substances, water content, trace elements, etc.

      Snow melting agent testing items: freezing point, PH value, snow melting and melting ability, dissolution rate, carbon steel corrosion rate, concrete corrosion rate test, road friction attenuation rate, five kinds of heavy metal detection, etc.

      Analysis: component analysis, formula analysis, qualitative analysis, quantitative analysis, chemical composition analysis, etc.

      Testing standards

      GBT 1676-2008 Determination of iodine value of plasticizer

      GBT 1677-2008 Determination of epoxy value of plasticizer

      GBT 1670-2008 plasticizer thermal stability test

      GBT 1660-2008 Determination of kinematic viscosity of plasticizers

      GBT 1668-2008 Determination of acid value and acidity of plasticizer

      GBT 1669-2001 Determination of heating loss of plasticizer

      GB/T 1663-2001 Determination of crystallization point of plasticizer

      GB/T 1665-2008 Determination of saponification value and ester content of plasticizers

      ISO 176-2005 Plastics. Determination of loss of plasticizers. Activated carbon method

      DIN EN ISO 176-2005 Plastics. Determination of plasticizer loss. Activated carbon method

      DIN EN 665-1995 elastic floor covering material. Determination of plasticizer exudation

      GB/T 23851-2009 Snow melting agent testing (five heavy metal testing, freezing point, PH value, snow melting and ice melting capacity, dissolution rate, carbon steel corrosion rate, concrete corrosion rate test, road friction attenuation rate)

      Our advantage

      1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

      2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

      3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.


      Online consultation

      Online consultation

      Recommend
      • Brazil ANATEL Certification

        Brazil ANATEL Certification

        ANATEL certification is a mandatory certification for telecommunications equipment or related equipment by the Brazilian National Telecommunications Administration (Agência Nacional de Telecomunica??es), including wireless communication equipment, wired communication equipment and related auxiliary equipment; this certification ensures that telecommunications equipment sold in the Brazilian market meets Brazil\'s technical standards and regulatory requirements, and guarantees the product\'s quality requirements such as radio frequency, electrical safety, electromagnetic compatibility, and electromagnetic exposure. If the product entering Brazil does not complete ANATEL certification, it may face fines, seizures, and other penalties.

      • COC certification in Algeria

        COC certification in Algeria

        COC certification in Algeria is a mandatory certification for products exported to Algeria, ensuring that the products comply with the country\'s safety, quality, and technical standards. The certification process includes document review, product testing, and factory inspection. Products that pass certification can be legally sold in the local market, protecting consumer interests and promoting fair trade.

      • Saudi Arabia GCC Certification

        Saudi Arabia GCC Certification

        GCC certification is the abbreviation for Gulf Cooperation Council certification, which is a mandatory certification requirement for products entering the market in Saudi Arabia and other countries in the Gulf region.

      Chemical products and additives testing

      Chemical additives, especially chemical additives required by a certain industry, which are not limited to metal processing additives, plastic additives, papermaking additives, construction additives, water treatment additives, coating additives, leather additives Agent, textile printing and dyeing auxiliary, etc.

      Get a quote
      主站蜘蛛池模板: 久久亚洲精品无码AV| 久久人人爽人人人人片AV| 国产午夜视频在线观看| 亚洲中文字幕在线二页| 国产精品自在拍首页视频8| 果冻传媒亚洲区二期| 国产中文三级全黄| 精品人无码一区二区三区| 午夜福利片1000无码免费| 久久天天躁狠狠躁夜夜AVAPP| 亚洲精品麻豆一区二区| 国产成人无码免费看视频软件| 97久久超碰亚洲视觉盛宴| 一本久道久久综合狠狠爱| 精品国产成人国产在线观看| 亚洲AV无码专区在线播放中文 | 啊轻点灬大JI巴太粗太长了欧美 | 亚洲精品乱码久久久久久不卡| 亚洲另类无码一区二区三区| 欧美大bbbb流白水| 日韩A人毛片精品无人区乱码| 一二三四在线视频观看社区 | 精品无码一区二区三区亚洲桃色| 国产精品色内内在线播放| 欧洲中文字幕一区二区| 亚洲男女一区二区三区| 国产av午夜精品福利| 久久综合色之久久综合| 唐人社视频呦一区二区| 樱花草视频www日本韩国| 欧美乱妇高清无乱码免费| 麻豆国产成人AV在线播放| 亚洲av无码精品色午夜蛋壳| 久久精品这里热有精品| 国产成人亚洲综合图区| 国产一区二区三区不卡在线看| 亚洲欧美人成网站在线观看看| 国产香蕉尹人综合在线观看| 国产成人综合色就色综合| 亚洲欧美日韩中文字幕一区二区三区| 婷婷综合久久狠狠色成人网|