ifference

Tin coating number

Ting coating g/m2

Min average tin coating g/m2

The same thickness of tin coating

1.1/1.1

1.1/1.1

1.8

2.8/2.8

2.8/2.8

5.0

5.6/5.6

5.6/5.6

10.5

8.4/8.4

8.4/8.4

15.7

The different thickness tin coating

2.8/1.1

2.8/1.1

2.5/0.9

5.6/1.1

5.6/1.1

5.2/0.9

5.6/2.8

5.6/2.8

5.05/2.25

8.4/2.8

8.4/2.8

7.85/2.25

8.4/5.6

8.4/5.6

7.85/5.05