Multiwall Sheets

Multiwall

PC Multi-wall sheets are good insulators for sound and heat energies. PC hollow sheets have very good optical quality and are easy to handle and show an exceptional low and high temperature performance, from -40oC up to +120oC. They have excellent mechanical, thermal and electrical properties. Their impact strength is 250 times a more than glass & are almost unbreakable. They have good formability and their recycling is easy. As they are inflammable, they have found wide applications in the construction Industry. PC hollow sheets are resistant to most of the common solvents and chemicals.

Multiwall / Twinwall (ARLA)

Size : 2100 x 5800 mm Size : 2100 x 5800 mm

Available : 4mm, 6mm, 8mm, 10mm, 16mm, 20mm, 25mm, 32mm, 40mm

Size : 2100 x 11800 mm Available: 4mm, 6mm, 8mm, 10mm, 16mm, 20mm, 25mm, 32mm, 40mm

COLOURS : Clear Transparent, Opal White, Transparent Blue, Transparent Green, Transparent Bronze, Transparent Red & Yellow

• Greenhouses

• Clear roofing and noise reduction walls

• Overpass roofing

• Skylights

• Sidewall of the stairs

• Swimming pools roofing

• Exhibition Stands

• Partitioning

Polycarbonate typical Properties (ARLA Multiwall)

           PROPERTYa)        Value/Class         Unit         Standard
               
Physical Properties            
               
Density  1,2   g/cmᵌ  ISO 1183 
Refractive index  1,586      ISO 489 
Moisture absorption 24 hours, 23°C, 50% RH  0,15   %    
               
               
Mechanical Properties            
               
Tensile strength at Yield (Break)  63 (70)   N/mm²  ISO 527 
Tensile elongation at Yield (Break)  6 (110)   %  ISO 527 
Elastic modulus  2300   N/mm²  ISO 527 
Flexural modulus  2300   N/mm ²  ISO 178 
Charpy unnotched impact strenght + 23°C  NB (No Break)  kJ/m²  ISO 179/2D 
Charpy unnotched impact strenght + 40°C  NB (No Break)  kJ/m²  ISO 179/2D 
Izod notched impact strenght + 23°C  65   kJ/m²  ISO 180/1A 
Izod notched impact strenght + 30°C  10   kJ/m²  ISO 2039-2 
Rockwell hardness  M70        
               
               
Thermal Properties            
               
Linear coefficient of thermal expansion (23-80°C) 0,70  10¯⁴K¯¹    
Vicat temperature VST/B 120 149  °C  ISO 306 
Vicat temperature VST/B 50 148  °C  ISO 306 
2 Heat deflection termperature, HDT A (1,80 N/mm)2 132  °C  ISO 75 
Heat deflection termperature, HDT B (0,45 N/mm)2 142  °C  ISO 75 
Specific heat capacity, Cp 1,17  kj/kg.K    
Thermal conductivity 0,21  W/m.K  DIN 52612 

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