Frequently Asked Questions
What type of lubricant should be used on O-rings and other rubber parts?
Silicone grease should be used on rubber parts, because petroleum based lubricants could potentially affect the integrity and lead to product failure.
Can you use Hercules 300 Degree plumber's grease where it may come in contact with potable (drinking) water?
No. This product is not NSF listed.
What materials can I use Hercules 300 Degree plumbers grease on?
This product should only be used on turning or sliding metal products. It is petroleum based, and could affect the integrity of plastic and rubber parts.