<track id="n3cxq"></track>

      <track id="n3cxq"></track>

    1. Our service

      Centre Testing International Co., Ltd. (CTI) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.

       

      By Industry

      Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.

      Specialty

      Comprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.

      AUTHORITY & TRUST
      QUALITY & VALUE
      Base Oil Detection

      Base oil is the main component of lubricating oil, which determines the basic properties of lubricating oil. CTI provides professional technical support for customers to improve the quality and value of oil products for base oil from different production processes such as refinery refining and manufacturer synthesis.

      Base Oil Detection

      ?    Service Content

      1、Scope of Application/Product Category
      Lubricating base oil

      2、Technical Standards

      China.

      3、Requirements for Conventional Samples

      Different test items require different samples. Please ask CTI online customer service for details.

      4、Test Cycle

      The calculation starts with the sample received by the laboratory. Routine: 5 working days; Urgent: 3 working days.

      5、Test Items and Standards

      Test Items and Standards for Base Oil

      Test Item

      Appearance

      Mechanical impurities

      Water-soluble acid or base

      Density (20 ℃)

      Metal multielement

      Oxidation stability (rotating oxygen bomb)

      Viscosity

      Cleanliness/particle count

      Noak evaporation loss

      Viscosity index

      Sulfate ash

      Sealing adaptability

      Chromaticity

      Copper corrosion

      Infrared analysis

      Moisture

      Pentane insoluble

      Microscopic Characteristics of Particles (Analytical Ferrography)

      Pour point

      Air release value

      Microscopic Characteristics of Particles (Direct Reading Ferrography)

      Condensation point

      Liquid phase rust (A or B)

      Abrasion spot diameter

      Flash point (opening)

      Emulsification resistance

      Maximum Bite-free Load PB

      Flash point (closed)

      Saponification value

      Sintering load PD

      Foam characteristics

      PQ index

      Wear composite index ZMZ

      Total acid number (TAN)

      Sulfur content

      Analysis of paint film

      Total base number (TBN)

      Chlorine content

      Ignition point

      Neutral value

      Zinc content

      Spontaneous ignition point

      Trace residual carbon

      Distillation range

       

      ?    Our Advantages

      CTI has advanced laboratory equipment to ensure the accuracy and reliability of test data.

      CTI has a team of professional qualified and experienced technical experts to provide you with professional advice and services.

      CTI, as a third-party testing and certification organization trusted by customers around the world, has obtained CMA, CNAS and UKAS qualifications.

      CTI has a nationwide business network, which can provide quick response and personalized considerate services.

      ?    Service Process

      Consulting Customer ServiceConfirm Test PlanFill in the Application FormSend samplesPay for the testTestSend electronic reportsExpress paper reports and invoices

       

      日本熟妇伦A片免费视频_黄片天堂_一级黄片在线看_先锋影音AV资源网
      <track id="n3cxq"></track>

        <track id="n3cxq"></track>