Discussion
Assertion (A): A print paste is a shear thinning fluid rather than a simple viscous one.
Reason (R): It must flow through the screen under the squeegee and then stop moving on the fabric.
Answer: A
Both are true and the reason gives the requirement: high viscosity at rest holds the outline while low viscosity under shear lets the paste pass the screen, and the two demands can only be met by a shear thinning paste.
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