Possible Clues:

• Nail salon material
• Fake nail material
• Pungent acid has girl shortly going outside to weep
• Bill and Cyril worked producing fibre
• Type of hard paint
• Paint Mr Cooper -- short and carrying blubber
• Adventurous girl almost about to produce tears in material for coat?
• Bill and Cyril spilt paint, maybe?
• A member of top brass touring Welsh resort taking off hard material
• A painter's yarn?