Special brown silicone rubber creates the best vacuum seal. Use at flask temperatures below 900°F (482°C). These gaskets can be used in combination with graphite or woven gaskets for casting at higher flask temperatures.
Special white silicone rubber creates the best vacuum seal. Use at flask temperatures below 900°F (482°C). These gaskets can be used in combination with graphite or woven gaskets for casting at higher flask temperatures.
Diameter: 2.5" | 3" | 3.5" | 4" | 5" | 6"
Country of origin: China