• 南宫NG28

    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 Service→Confirm Test Plan→Fill in the Application Form→Send samples→Pay for the test→Test→Send electronic reports→Express paper reports and invoices