Liquid blocker super pap pen

Antigen tests

Liquid-repellent slide marker pens for staining procedures; 5mm pen nip assures broad band to retain fluids.
The liquid blocker pen is very resistant to PBS, TBS, and TBST in immuno-staining procedure.

• Shake well before use
• Push tip of the pen gently to saturate
• Draw the circle wider if necessary

Circle can be removed with xylene.

Note on the difference between ID300 and ID310
What a difference a pen makes: We found a cheaper PAP pen and some people love it; others politely declare it to be a waste of money. Perhaps it depends on the application or how the pen is held. We offer both types, the choice is yours.