... . UV protection & 10 years 3. ISO9001, SGS 4. OEM twin-wall hollow polycarbonate sheet 1.Thickness: 4/6/8/10mm2. Width ... , brown , opal , red , yellow .8. Delivery time :10-15days9. Payment : T/T , LC , CASHSpecification: Thickness(mm)StructureWeight(g/sqm)Min.Bend Radius ... skylights2) Indoor partition, folding screen3) Furniture4) Bathroom5) Natatorium coverings twin-wall hollow polycarbonate sheet