Originally Posted by monomer
Many factories that produce products from fluorocarbon polymers do so in segregated rooms (often affectionately referred to as "the cancer room"). The employees are required to wear special protective clothing and often must limit the amount of days per month they are allowed to work in these areas.
I personally would not use PTFE spray on a racquet. You are guaranteed to have the Teflon transfer from the strings to the balls to your hands.
I use a combo silicone/teflon spray. Might have to re-evaluate using it as the PTFE is indeed bad stuff