Zhongxi is a complete laboratory for analysis and testing, also an audited contract laboratory.We can provide a wide range of chemical analysis and material testing services to a diverse international customer base.Our expertise and years of experience enable us to choose the right analytical methods and generate the accurate data needed to solve your toughest problems.

Detection range

Food contact material

Tableware: knives and forks, bowls, chopsticks, spoons, cups, dishes, etc.

Kitchen utensils: storage utensils, washing utensils, conditioning utensils, cooking utensils, etc.;

Food packaging containers: paper containers, metal containers, glass containers, plastic containers, plastic packaging bags/film, etc.;

Kitchen appliances: juicer, blender, coffee maker, electric kettle, etc.

Children's products: baby bottles, pacifiers, baby drinking cups, etc.;

Food processing and production equipment

Packaging materials

Paper packaging materials: wrapping paper honeycomb paper, paper bag paper, desiccant paper, honeycomb cardboard, kraft paper industrial cardboard, honeycomb paper core;

Plastic packaging materials: PP packing belt, PET packing belt, tear film, winding film, sealing tape, heat shrink film, plastic film, hollow board;

Composite flexible packaging materials: flexible packaging, aluminized film, iron core line, aluminum foil composite film, vacuum aluminized paper, composite film, composite paper, BOPP;

Metal packaging materials: tinplate aluminum foil, barrel hoop, steel belt, packing buckle, blister aluminum, PTP aluminum foil, aluminum plate, steel buckle;

Ceramic packaging materials: ceramic bottles, ceramic vats, ceramic jars, ceramic pots;

Glass packaging materials: glass bottles, glass jars, glass boxes;

Wood packaging materials: packaging made of wood products and artificial wood boards (such as plywood, fiberboard), such as wooden cases, barrels, boxes, plywood, fiberboard boxes, plywood boxes and wooden pallets;

Other packaging materials/accessories

Hot stamping materials: gold stamping materials, laser film, anodized hot stamping paper, gold stamping film, hot stamping film, hot stamping foil, color foil;

Adhesives, coatings: adhesives, cementing compount, compound adhesives, strengthening agents, starch adhesives, sealants, latex, resin, adhesive sticker;

Packing auxiliary materials: bottle cap, glove machine, mold, gasket, handle, liner nozzle, seal cap, packaging film.

Experiment flow

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Pharmaceutical packaging material

Class I packaging materials

Pharmaceutical butyl rubber bottle stopper, pharmaceutical PTP aluminum foil, pharmaceutical PVC hard piece, pharmaceutical plastic compound hard piece (compound bag), plastic infusion bag, pharmaceutical plastic bottle, ointment tube, aerosol spray valve, antibiotic combination cap made of aluminum and plastic, etc.

Class II packaging materials

Pharmaceutical glass tube, glass infusion bottle, ampoule bottle, glass molded antibiotic bottle/oral liquid bottle, glass tubed antibiotic bottle/oral liquid bottle, glass (yellow material, white material) medicine bottle, rubber plug, aerosol can, ceramic medicine bottle, Chinese pill plastic ball shell, etc.

Class III packaging materials

Antibiotic bottle aluminum (aluminum alloy) cover, infusion bottle (aluminum alloy), aluminum plastic combination cover, oral liquid bottle (aluminum alloy),  etc.

The test items

Barrier properties: gas (oxygen, nitrogen, carbon dioxide, etc.) and water vapor permeability.

Mechanical properties: tensile strength and elongation, thermal bonding strength, peel strength, thermal shrinkage, puncture force, puncture device retention, impermeability of insertion point, sealing of injection point, hanging force, opening force of aluminium-plastic composite cover, impact resistance, tear resistance, rubbing resistance, etc.

Others: thickness, solvent residue, sealing performance, cap torque, headspace air volume analysis, etc.

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Tags: Testing and analysis of contact materials