image of SOMATAC WA

SOMATAC WA Series are weak adhesive films used in production processes. Various types of products with different releasing strengths and properties are available.


  1. Adheres properly even during heating operation, and after heated, it can be easily released at the final production process.
  2. There is no adhesive residue.
  3. Silicone is not used for releasing films (silicone free).
  4. Protect the gold plated surface, and there are some types that do not contaminate the gold plated area with the adhesive. (Product Code: PS-1070WA, PS-250WA, PS-260WA)
  5. The type that adheres well to the rough surface is available. (Product Code: PS-1070WA)
  6. The type that bears the high temperature process is available. (PEN film is used. Product Code: PS-503WA)

Product Line-Up and Properties

Product Code PS- 105WA PS- 1070WA PS- 503WA PS- 250WA PS- 260WA
The Kind of Base Film & Thickness (μm) PET 50 PET 50 PEN 50 PET 125 PET 125
Adhesive Layer Thickness (μm) 7 7 7 16 16
The Kind of Releasing Film & Thickness(μm) OPP30 OPP30 OPP30 Blue
Ball Tack Value(X/32) <3 <3 <3 <3 <3
Releasing Strength
versus PI Film
Initial Time 0.22 0.10 0.22 0.11 0.22
60°C 0.03 0.01 0.03 - -
At 160°C for 30 mins
After Curing
0.23 0.25 0.23 - -
Fading after Gold Plating - <2.0 - <2.0 <2.0

All the figures are representative values.

The combination of a base material and a releasing film material/thickness can be changed at your request in some cases, so your inquiries will be welcomed.

For Contact

High-Tech Materials Department
11-2, Ginza 4-Chome, Chuo-Ku, Tokyo 104-8109, Japan
FAX: +81-3-3542-2170