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

In-House Test Standards and Procedures:

PropertyTest ConditionStandard
APPEARANCECNS11335Sheets should be flat and smooth, without bubbles, dimples, color blotches or distortion.
SizeCNS11335Tolerance: 0~+1% (mm)
THICKNESSCNS11335Tolerance: ±10% (mm)
TENSILE STRENGTHCNS11335Should exceed 551(kgf/cm²)
TENSILE ELONGATIONCNS11335Should exceed 50 (%)
TENSILE MODULUSCNS11335CNS11335
STANDARD TENSILE PROPERTY TEST FOR PLASTICS 
Mean Impact ResistanceCNS11335NO FAILURE @ MAX IMPACT CAPACITY (26.67J)
LUMINOUS TRANSMITTANCECNS11335STANDARD HAZE AND LUMINOUS TRANMITTANCE TEST FOR PLASTICS (%)
HEAT DEFLECTION TEMP.CNS11335STANDARD DEFLCTION TEMPERATURE TEST FOR PLASTICS UNDER FLEXURAL LOAD (°C)
LINEAR DIMENSIONAL
CHANGE
CNS11335STANDARD LINEAR DIMENSIONAL CHANGE TEST FOR NON-RIGID THERMOPLASTIC SHEETS @ ELEVATED TEMPERATURES (%)
BURN CHARACTERISTICSCNS11335DOES NOT REACH OR PASS THE 25 (mm)REFERENCE MARK, NO FLAMES AFTER SOURCE IS REMOVED.
Weather Resistance
YELLOWING INDEX (YID)
In-House7 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

PropertyTest ConditionStandard
TENSILE STRENGTHASTM D638-10Standard Test Method for Tensile Properties of Plastics
Should exceed 551(kgf/cm²)
TENSILE ELONGATIONASTM D638-10Standard Test Method for Tensile Properties of Plastics
Should exceed 50 (%)
TENSILE MODULUSASTM D638-10Standard Test Method for Tensile Properties of Plastics(kgf/cm²)
FLEXURAL STRENGTHASTM D790-17Standard Test Method for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials(kgf/cm²)
FLEXURAL MODULUSASTM D790-17Standard Test Method for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials(kgf/cm²)
MEAN IMPACT RESISTANCE BY FALLING DARTASTM D5628-96NO FAILURE @ MAX IMPACT CAPACITY (>26.67J)
LUMINOUS TRANSMITTANCEASTM D1003-13Measured Wavelength 360~780nm
Standard haze and luminous transmittance test of transparent plasitics (%)
HAZE TRANSMITTANCEASTM D1003-11e1Measured Wavelength 400~700nm
Standard haze and luminous transmittance test of transparent plasitics (%)
ULTRAVIOLET TRANSMITTANCEASTM E903-12Measured Wavelength 280~400nm
Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres. (%)
HEAT DEFLECTION TEMP.ASTM D648-07Standard Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position (°C)
LINEAR DIMENSIONAL CHANGEASTM D1204-8Standard linear dimensional change (Parallel & Traverse) test for non-rigid thermoplastic thermoplastic sheeting or film @ elevated temperatures (%)
LINEAR THERMAL EXPANSIONASTM D696-08Standard test method for Coefficient of Linear Thermal Expanion of plastics between -30°c and 30°c with a Vitreous Silica Dilatometer
BURN CHARACTERISTICSASTM D635-10Mean value of 10 specimen.
Does not reach or pass the 25mm reference mark.
WEATHERING RESISTANCEASTM G1548hrs @ 60(±3)°c Black Panel Temperature;
4hrs Condensation @ 50(±3)°c Black Panel Temperature
YELLOWING INDEX (YID)ASTM E313-20Standard Practice for Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates