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
Hot spot rubber material analysis
Mixing rubber, latex, raw rubber, natural rubber, synthetic rubber, special rubber, BR (butadiene rubber, NBR (nitrile rubber, butyl rubber, fluorine rubber, SBS rubber, SBR (styrene butadiene rubber), EPDM (ethylene propylene rubber), CR (neoprene), chlorinated rubber, fluorine rubber (FPM), vulcanized rubber, isoprene rubber, polysulfide rubber (T), chlorosulfonated polyethylene rubber (CSM), thermoplastic rubber, chlorohydrin rubber, polyurethane rubber, acrylate rubber (ACM), silicone rubber and other rubber raw materials, etc.
Analysis of hot rubber products
Mixing rubber, latex, raw rubber, natural rubber, synthetic rubber, special rubber, BR (butadiene rubber, NBR (nitrile rubber, butyl rubber, fluorine rubber, SBS rubber, SBR (styrene butadiene rubber), EPDM (ethylene propylene rubber), CR (neoprene), chlorinated rubber, fluorine rubber (FPM), vulcanized rubber, isoprene rubber, polysulfide rubber (T), chlorosulfonated polyethylene rubber (CSM), thermoplastic rubber, chlorohydrin rubber, polyurethane rubber, acrylate rubber (ACM), silicone rubber and other rubber raw materials, etc.
Resin analysis of plastic raw material
Polyethylene(PE), polypropylene(PP), polystyrene(PS), polytetrafluoroethylene(PTFE), polyvinyl chloride(PVC), phenolic molding compound(PMC), polycarbonate(PC), polyurethane(PU), polyamide(PA，nylon), araldite, acrylonitrile butadiene styrene, polymethyl methacrylate(PMMA ), polyethylene glycol terephthalate(PET), ethylene-vinyl acetate copolymer(EVA), polyphenylene sulfide(PPS), araldite, acrylonitrile butadiene styrene copolymers(ABS), polyformaldehyde, polyamide1010, etc.
Resin analysis of finished product
PVC profile for making doors and windows and energy-saving materials, PVC pipe, packaging, raincoat, transparent film, rigid tube, special pipes, corrugated pipe, downcomer, drinking water pipes, cable conduct, stair armrest, flexible conduit, cable, electric wire, sandal, shoe sole, slippers, auto spare parts, PTP packaging of medicines, mattress, cloth, polyvinyl chloride wainscot, floor, imitation leather, trolley, etc.
Experiment flow
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The test items
Mechanical properties: jiemen test, hardness, tensile properties, tearing properties, compression properties, impact properties, friction properties, fatigue properties, peel strength, tensile strength, bonding strength, etc.
Environmental reliability: life assessment, aging test (uv, xenon lamp, carbon arc lamp, ozone), salt fog test, oil resistance and other liquid test, high and low temperature impact, high and low temperature cycle, etc.
Combustion performance: fire rating, vertical combustion, horizontal combustion, smoke density, oxygen index, flame spread rate, etc.
Electrical properties: surface resistivity, volume resistivity, breakdown voltage, dielectric constant, loss tangent, etc.
Physical and chemical indexes: volatilization, ash, Mooney viscosity, thermal stability, shear stability, vulcanization curve, Mooney coke burning time, rubber thermal conductivity, rubber vapor transmission rate, rubber swelling index, rubber chemical metals, sulfur and polymer, etc.
Other properties: dustproof, waterproof test, fatigue test, vibration and impact test, etc.
Rubber analysis: component analysis, imitation generation, formula reduction and improvement, cost control, quality diagnosis, supplier evaluation, toxic and harmful detection, etc.
Tensile propertie: tensile strength, elongation at break, tensileModulus, poisson ratio, tension creep, tear strength, etc.
Bend propertie: bending strength, flexural modulus, etc.
Compression performance: compression strength, compression modulus, etc.
Impact property: impact performance of simply supported beams, impact performance of cantilever beam, tensile yield strength, drop hammer impact performance, perforated shear strength, peel strength, etc.
Hardness test: ball indentation hardness, rockwell, shore, etc.
Thermodynamics property: heat deflection temperature, vicat softening temperature, coefficient of linear expansion, thermal conductivity, etc.
Determination of density: density, apparent density, density (gradient method), etc.
Air aging: hot-air ageing, time-temperature limits, etc.
Photoaging: deneral rules for light aging, xenon arc aging, ultraviolet aging, carbon arc lamp aging, determination of color and performance after aging, etc.
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