QUALITY CONTROL

Our in-house test facility ensures that every shipment meets industrial standards and customer requirements.

In-House Test Standards and Procedures:

Property Test Condition Standard
APPEARANCE CNS11335 Sheets should be flat and smooth, without bubbles, dimples, color blotches or distortion.
Size CNS11335 Tolerance: 0~+1% (mm)
THICKNESS CNS11335 Tolerance: ±10% (mm)
TENSILE STRENGTH CNS11335 Should exceed 551kgf/cm²
TENSILE ELONGATION CNS11335 Should exceed 50 (%)
TENSILE MODULUS CNS11335 CNS11335
STANDARD TENSILE PROPERTY TEST FOR PLASTICS 
Mean Impact Resistance CNS11335 NO FAILURE @ MAX IMPACT CAPACITY (26.67J)
LUMINOUS TRANSMITTANCE CNS11335 STANDARD HAZE AND LUMINOUS TRANMITTANCE TEST FOR PLASTICS (%)
HEAT DEFLECTION TEMP. CNS11335 STANDARD DEFLCTION TEMPERATURE TEST FOR PLASTICS UNDER FLEXURAL LOAD (°C)
LINEAR DIMENSIONAL
CHANGE
CNS11335 STANDARD LINEAR DIMENSIONAL CHANGE TEST FOR NON-RIGID THERMOPLASTIC SHEETS @ ELEVATED TEMPERATURES (%)
BURN CHARACTERISTICS CNS11335 DOES NOT REACH OR PASS THE 25 (mm)REFERENCE MARK, NO FLAMES AFTER SOURCE IS REMOVED.
Weather Resistance
YELLOWING INDEX (YID)
In-House 7 Day UV Exposure (8hrs / cycle)
UV-340nm Lamp: 60°c
(Lower than 6 for colored sheets)

 

We also work closely with third party laboratories such as PIDC (Plastic Industry Development Center) and SGS (Société Générale de Surveillance) for unbiased testing should it be required.​


3rd Party Laboratory Test Standard and Procedures

Property Test Condition Standard
TENSILE STRENGTH ASTM D638-10 Standard Test Method for Tensile Properties of Plastics
Should exceed 551kgf/cm²
TENSILE ELONGATION ASTM D638-10 Standard Test Method for Tensile Properties of Plastics
Should exceed 50 (%)
TENSILE MODULUS ASTM D638-10 Standard Test Method for Tensile Properties of Plasticskgf/cm²
FLEXURAL STRENGTH ASTM D790-17 Standard Test Method for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials(kgf/cm²)
FLEXURAL MODULUS ASTM D790-17 Standard Test Method for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials(kgf/cm²)
MEAN IMPACT RESISTANCE BY FALLING DART ASTM D5628-96 NO FAILURE @ MAX IMPACT CAPACITY (>26.67J)
LUMINOUS TRANSMITTANCE ASTM D1003-13 Measured Wavelength 360~780nm
Standard haze and luminous transmittance test of transparent plasitics (%)
HAZE TRANSMITTANCE ASTM D1003-11e1 Measured Wavelength 400~700nm
Standard haze and luminous transmittance test of transparent plasitics (%)
ULTRAVIOLET TRANSMITTANCE ASTM E903-12 Measured Wavelength 280~400nm
Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres. (%)
HEAT DEFLECTION TEMP. ASTM D648-07 Standard Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position (°C)
LINEAR DIMENSIONAL CHANGE ASTM D1204-8 Standard linear dimensional change (Parallel & Traverse) test for non-rigid thermoplastic thermoplastic sheeting or film @ elevated temperatures (%)
LINEAR THERMAL EXPANSION ASTM D696-08 Standard test method for Coefficient of Linear Thermal Expanion of plastics between -30°c and 30°c with a Vitreous Silica Dilatometer
BURN CHARACTERISTICS ASTM D635-10 Mean value of 10 specimen.
Does not reach or pass the 25mm reference mark.
WEATHERING RESISTANCE ASTM G154 8hrs @ 60(±3)°c Black Panel Temperature;
4hrs Condensation @ 50(±3)°c Black Panel Temperature
YELLOWING INDEX (YID) ASTM E313-20 Standard Practice for Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates