The water proofing agents:

What are water proofing agents?

What are water proofing agents and water wetting agents? What do they do?

What is the importance of water proofing agents?

A water proofing agent chages the angle of contact from

A water proofing agent chages the angle of contact from

A water proofing agent chages the angle of contact from

How does a water proofing agent work ?

Water proofing agents are added to create a ______ (large/small) angle of contact between the water and fibres.