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Sort By: Price: Low to High Price: High to Low Item # Title Manufacturer Newest Oldest Availability 15 per page 30 per page 60 per page 90 per page 150 per page Page of 1 Perforated Flasks Regular Flasks [14 GAUGE] Flask Sleeves Heavy gauge perforated flasks, in 6 ga stainless steel. Withstands thermal shock and corrosion. Ideal for use on vacuum casting machines. Provides complete air withdrawal which results in a denser casting. Durable 14 gauge stainless steel flasks are corrosion resistant. Withstands thermal shock during quenching. All surfaces of the flasks have a smooth finish and edges are machined for optimum sealing.Sizes ranging from 2-1/2" to 6" high and 2" to 4" in diameter. Reusable flexible rubber sleeves slide on to the outside of the perforated flasks while investing. After the investment has set, the sleeves may be removed. Flask Extender High Temperature Gaskets for Flasks Flask Tongs Used on solid wall flasks to prevent overflow of investment. Made of flexible rubber, the sleeves stretch over the flask end. Graphite impregnated gaskets used to seal flasks while vacuuming. Light weight spring steel tongs used for holding small or large flasks. Regular Flasks [12 GAUGE] Silicone Gaskets for Flasks Durable 12 gauge (which is thicker than 14 gauge) stainless steel flasks are corrosion resistant. Withstands thermal shock during quenching. All surfaces of the flasks have a smooth finish and edges are machined for optimum sealing. Gaskets in different sizes used to seal flasks while vacuuming.