Materials:
1) Front side: aluminum roll coated PVDF (based on KYNAR500) or
polyester
2) Core: nanometer rubber plastic fireproof materials
3) Rear side: aluminum coated with polyester

Specifications:
1) Aluminum sheet thickness:
a) 0.50 x 0.50mm
b) 0.40 x 0.40mm
c) 0.21 x 0.21mm
d) 0.15 x 0.15mm
e) 0.30 x 0.21mm
f) 0.21 x 0.15mm
g) 0.15 x 0.10mm
2) Panel thickness: 3mm, 4mm, 6mm
3) Dimensions:
a) Width: 1220mm, 1575mm
b) Length: 2440mm, upon customers' request
4) Standard size (width x length x thickness):
a) 1220 x 2440 x 3mm
b) 1220 x 2440 x 4mm
5) Normal color: 31 kinds
6) Non-standard sizes and special colors are available according to
customers' requests