What are the differences between solvent-free composite and solvent dry composite in appearance quality?
There are some observable differences between the appearance of solvent-free composite products and dry composite products, which are directly related to the characteristics of solvent-free composite process itself. For experienced personnel, the composite products of the two processes are often distinguishable at a glance.
Solvent free and dry composite process products
Common differences in appearance quality
|
Items or indicators |
Solventless compounding |
Dry lamination |
remarks |
|
planeness |
preferably |
Poor |
|
|
Softness |
preferably |
Poor (or better stiffness) |
|
|
Aluminum transfer |
Easier to control (less) |
||
|
Transparency |
Poor |
Relatively good |
|
|
Crystal point or orange peel |
When the amount of glue is large, the crystal point or orange peel may appear |
less |
|
|
Whiteness |
The whiteness of white ink area may be slightly lower than that of dry coating |
This phenomenon and ink |
