DIFFERENT TYPES OF WIREMAT/MESHPAD

What’s the difference between these 2 types of meshpads?
The White demisters are made in Polypropylene
The other two meshpads are made with a combination of PTFE + SS316l and PTFE + A20

This solution has been specifically requested for the drying tower & tail gas scrubber of a sulphuric acid plant.

• 1 Mesh in PTFE/SS316L “separator”

• 1 Mesh in PTFE/A20 “drying tower”
• 1 mesh in PP/PP tail gas scrubber 1st stage + 2nd stage