What is the meaning of the number of silk
Of course, this name is not standardized, but the convention, we understand the total recognition of the need to deliberately correct.
The name of the industry is 50 or 30 silk. Shorthand for 50C or 30C, also abbreviated as 50S or 30S
Such as aluminum face 0.50 mm + back aluminum 0.50 mm, 0.30 + 0.30 mm,
The thickness of aluminum or aluminum for this material expression, with the international standard unit is defined by the millimeter
Aluminum-plastic plate material itself in the market can often see 3 mm thick, and 4 mm thick. Commonly used in the industry is called 3 PCT plate or 4 PCT board;
