Compositon Analysis

C&K Testing is equipped with the most advanced testing center (“Center”) for analysis of unknown substances. Established as per ISO/IEC 17025, the Center can fully perform component and formulation analysis with accreditation of China National Accreditation Service for Conformity Assessment (CNAS) and China Metrology Accreditation (CMA). Our reports enjoy international creditability as recognised by authoritative bodies and well-known businesses. Meanwhile the advanced instruments in our lab enable us to perform full range of our analytical services in the fields of rubber and plastics.

Test Items*:

Qualitative and quantitative analysis for components of plastics and rubber

Composition analysis of coatings and inks

Composition analysis of metals

Composition analysis of non-metal inorganic substances

Composition analysis of icons

Composition analysis of solvents

Analysis of trace metal element

Composition and formulation analysis


Plastic products

Plastic master batches, plastic tubing, plastic sheets, plastic films, structural components for vehicles and vessels, spare parts for engineering equipment, artificial leather, foaming materials, packaging materials, door & window materials, building tubing, waterproof rolls, sealing of electric wires and cables, medical devices, structural components for electronic and electrical equipment

Rubber products

Vehicle hoses, conveyor belts, reclaimed rubber, buffer dampers, sealing belts, sealing rings, electric wires and cables, rubber brakes, waterproof rolls, insulation products, pneumatic films, rubber substrates (carriers), tyres


Structural adhesives, sealants, special adhesives, conductive adhesives, heat adhesives, pressure-sensitive adhesives, light-sensitive adhesives, organic silica gel, white lax, epoxy adhesives and contact adhesives


Decoration coatings, pollution resistant coatings, anti-corrosion coatings, heat-reflection coatings, waterproof coatings, latex paints

Other high polymer and raw chemical materials

* Our testing capability includes but not limited to the above items. Please feel free to contact us for more tests.

Five Advantages
■ One-stop services: Comprehensive solutions to cut your costs and timeline
■ Free consulting: Attentive and tailored services to offer you with best solutions by our specialists
■ Reliable results: Widely recognition among the institutes and industry at home and board with technical support available
■ Lower costs: Competitive testing fee (30% lower than market price) and only necessary tests
■ Shorter timeline: Efficient and quality services with a shorter timeline for testing (1-3 days shorter)

C&K Testing can provide professional analytical services for rubber and plastic components as per standards of different countries and regions. Besides, we can render you one-stop solutions integrating consulting, testing and certification.  Please feel free to contact or leave us a message if any question. 


C&K Testing accepts no responsibility or liability whatsoever with regard to the information on this website. Reproduction for non-commercial purposes of information and documents from the our  website is authorised provided that you acknowledge "C&K Testing" as the source.

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