Contents：
Introduction
RISO is marketing screen master reinforcing agents, the RISO MASTER HARDENERs.
The RISO MASTER HARDENER enhances the printing durability of screen masters created with GOCCOPRO by 3 to 4 times.
In this article, we will introduce and compare two types of hardeners offered from RISO:
“The RISO MASTER HARDENER RED” and “The RISO MASTER HARDENER BLUE.”
RISO MASTER HARDENER RED
RISO MASTER HARDENER RED
Applying the coating increases durability by 3 to 4 times compared to non coated Screen Masters.
In addition, since the coated area is colored, the improved visibility makes registration easier.
Compatible with water-based inks and a wide variety of plastisol inks.
RISO MASTER HARDENER BLUE
RISO MASTER HARDENER BLUE
The RISO Hardener Blue is a reinforcement agent that coats the film and mesh to prevent pinholes.
Applying the coating increases durability by 3 to 4 times compared to non coated Screen Masters.
Additionally, it prevents solvent penetration into the coated area and reduces film and mesh delamination.
The colored coated area will have better visibility, leading to easier registration.
Compatible with plastisol and solvent inks.
Comparison of RISO MASTER HARDENERs
| Product name | RISO MASTER HARDENER RED | RISO MASTER HARDENER BLUE | |
| The condition after coating |  |
 |
|
| Effect | Durability | Cover the film with hardeners to reduce the occurrence of pinholes. 3 to 4 times more durable than regular Screen Master |
|
| solvent resistant | Not solvent resistance | Coating the film and mesh will block solvent penetration, preventing delamination. | |
| Visability | Since it is colored just like emulsion screens, it makes adjusting the print registration easier. | ||
| Compatible ink | Water-based | 〇 | × |
| Plastisol | △(※) | 〇 | |
| Solvent | × | 〇 | |
| Container | Aluminum cans | ||
| Capacity | 1kg | ||
*In some plastisol inks, there is a phenomenon where the ink gels and becomes unusable.
*The compatibility with various inks is not guaranteed. We recommend conducting tests before use.