POLYCASA® PS

About
PS is the brand name for Polycasa’s extruded Crystal Polystyrene sheets, offering solutions for many indoor applications. As well as clear, anti-reflex and standard opal white, a variety of colours and designs are also available as a result of the extrusion process Polycasa can offer. CHARACTERISTICS Good optical properties and a brilliant surface. High light transmission (min 88% wavelength: 500 nm, thickness 3 mm). Low price. Low density (1.05). Good chemical resistance and high rigidity. UV-stabilised – remains colour constant for many years when used indoors. (On special request Polycasa PS sheets can be produced without UV-stabilisation. They then meet all current food contact legislation and can be used in contact with foodstuffs.) Possibility of corona treatment – process to increase surface tension. (The result after corona treatment is a surface that is unchanged to the naked eye, but in fact is much more receptive to inks, coatings, and adhesives.) Polycasa PS sheets also combine the following excellent properties: Excellent transparency. Good surface hardness. Good recyclability. Low water absorption. APPLICATIONS Picture frames. Shower cabin doors (flat and curved). Indoor glazing.&&

Product Description
GenericPS (special type)
Material StatusCommercial: Active
FeaturesGood Rigidity,Weather resistance is good,Good Clarity,Good surface appearance,Renewable resources,Low or no water absorption,Good Hardness,Optical performance,Low density,Solvent resistance
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.05g/cm³ISO 1183

IMPACTNominal valueUnitTest method
Charpy Unnotch Impact strength6.0kJ/m²ISO 179

THERMALNominal valueUnitTest method
Vicat Softening Temp
B50101ISO 306
Linear coefficient of thermal expansion
MD8.0E-51/℃DIN 53752
specific heat1800J/kg/℃
Thermal conductivity coefficient0.16W/m/KDIN 52612
Hot deformation temperature86ISO 75-2
Maximum operating temperature80.0 

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+14ohmsDIN 53482
Volume resistivity> 1.0E+14ohms·cmDIN 53482

optical performanceNominal valueUnitTest method
Transmittance89.0%DIN 5036
Refractive index1.5850 ISO 489

Supplementary informationNominal valueUnitTest method
Degradation Temperature> 280
Sheet Temperature(Forming)130 to 170

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level150 ISO 2039-2
Tensile modulus
4 mm3400MPaISO 527-2
tensile strength
4 mm45.0MPaISO 527-2
Tensile strain
Fracture, 4 mm3.0%ISO 527-2
Bending modulus
4 mm3450MPaISO 178
bending strength
4 mm85.0MPaISO 178

Notes
1. Typical properties: these are not to be construed as specifications.
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