Galvanized Steel Fut Suspended Ceiling t Bar

Inspection item

Unit

National Standard

Test Result

Appearance

——

no damage

no

Hole Distance Difference

mm

±0.3

±0.1

Difference of baking paint thickness

µm

≥20

24

Width  Difference

mm

±0.5

0.1-0.3

Length Difference

mm

±1.0

0.3-0.6

Underside straight Limitation

mm/1000mm

≤1.3

0.6

Galvanized thickness

µm

≥14

17

Load bending Limitation

mm

≤2.8

2.1

Proportion

Mineral Fiber Ceiling/PVC Gypsum Ceiling

1 m²

Main Tee

0.225 pcs

Cross Tee

1.35 pcs

Small Cross Tee

1.35 pcs

Wall Angle

0.2 pcs