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- Excellent o-ring lubricant
- PST-841 o-ring lubricant is designed to adhere to o-rings and prevent water washout
- Non-toxic, non-irritating
- Performs well in extreme conditions (-65F-400F)
- Compatible with most all rubbers and plastics
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PolySi PST-841 Silicone O-ring Lubricant is made with a 100% silicone. This thick oil was designed to adhere to O-rings and prevent the material from washing away, enabling the lubricant to stay on the rubber surface and provide long term lubrication. PST-841 is non-toxic, non-irritating, moisture resistant, and has a wide temperature range (-65F- 400F). PolySi Technologies’ PST-841 has been proven compatible with most all rubbers and plastics. It is not recommended for silicone rubber applications, as it can result in increased swelling and softening of the silicone rubber.