Polymer materials and parts testing

Polymer material testing

Rubber and plastic materials:        
Automotive interior/exterior parts, structural parts and other plastic parts
● PEPP    ● POM     ● TPR
● PVC     ● PBT     ● TPU
● ABS      ● PET     ● other various plastics
● PC     ● TPE     
● PA     ● TPO  &nbsp ;  
        
Automotive shock absorbers, sheaths, tires, transmission belts, sealing strips, wiper blades and other rubber parts
● Natural rubber    ● SBS rubber    ● Other rubbers
● SBR rubber    ● Vulcanized rubber    
&nbsp ;       
Test items:        
mechanical properties        < br/>● Density and specific gravity    ● Rockwell/Shore hardness         ● Precision load test      
● Tensile/flex/compression properties    ● Pencil hardness    ● Mooney viscosity
● Impact    ● Tear strength    
     &nbsp ;  
Thermal performance        
● Melt index/melting point    ● Glass transition temperature    ● Vulcanization analysis< br/>● Moisture/ash content    ● Heat distortion temperature    ● Low temperature embrittlement
● Heat loss    ● Thermal conductivity    ● Coefficient of Thermal Expansion
        
Insulation electrical properties        
● Surface resistivity   &nbsp ;● Tracking    ● Dielectric Constant
● Volume Resistivity    ● Arc Resistance    ● Dielectric Strength
● Breakdown Voltage     ● Dielectric loss    
        
Artificially accelerated aging       &nbsp ;
● Xenon lamp aging    ● Carbon arc lamp aging    ● Temperature and humidity shock
● UV lamp aging    ● Temperature and humidity cycle     ● Ozone aging
        
Combustion test        
● Vertical combustion     ● Horizontal combustion    
        
chemical resistance test        < br/>● Cleaner resistant   &nbsp ;● Perspiration resistant    ● Oil resistant products
        
Reflective material:        
Including reflective logos, reflective stickers, reflective textiles and warning triangles on the car body.
        
Test items:        
● size    ● wear resistance     ● Flexural strength
● Color    ● Color fastness    ● Cracks
● Light reflectivity    ● Compressive properties     ● Salt spray test
        
Foam foam:        
Including seat cushions, filling materials and interior and exterior trims that are mainly used in the compartment.
        
Test items:        
● Density    ● Water absorption     ● Filling property
● Compression deformation    ● Sound absorption coefficient    ● Steel plate adhesion
● Hardness    ● Sound insulation Quantity    ● Adaptability of phosphating solution
● Thermal conductivity    ● Heating fluidity    ● Solid content