4" Silicone Rubber Casting Gasket Perforated Flask Vacuum Seal Jewelry Casting

★★★★☆ 4.0 67 reviews

$16.55
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Management number 233797017 Release Date 2026/06/27 List Price $6.62 Model Number 233797017
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Elevate your jewelry casting game with this 4" Silicone Rubber Casting Gasket. Its perforated design allows for efficient vacuum sealing, ensuring a flawless casting process. Crafted from high-quality silicone rubber, this gasket is durable and reusable, making it an essential tool for any jewelry maker. With its precise dimensions, it fits seamlessly into standard flasks, providing a secure seal for your precious metal or resin castings. Unlock your creativity and produce stunning pieces with this indispensable casting accessory. SILICONE RUBBER GASKET GASKET FOR VACUUM JEWELRY CASTING GASKET FOR 4" PERFORATED FLASKS VACUUM SEAL FOR FLASK AND ADAPTER High Grade Silicone gaskets are used during vacuum casting to seal perforated flask ring and casting chamber. The Silicon acts as a sealing layer between the hot flask and the casting chamber flange adapter Gasket provides a good seal, allowing the vacuum to fully pull the molten metal into the flask. These gaskets are Press cut, have a thickness of 1/8" and come in various diameters to work with individual flask OD sizes. NOTE: Gasket ID is slightly larger than 4" to easily fit perforated flask into the casting chamber. The outside diameter has a wide 5/8" surface area to assure a good seal. SPECIFICATIONS: JETS Product # 0304-240-JTS - Material: Silicon - Flask Diameter: 4" - 101mm - Outside Diameter: 5-5/8" - 143mm - Inside Diameter: 4-5/16" - 109mm - Gasket Width: 21/32" - 16.7mm - Thickness: 1/8"

  • Versatile Casting Gasket: This 4" perforated silicone rubber gasket provides an effective vacuum seal for jewelry casting and other small-scale molding projects.
  • Durable Construction: Made from high-quality silicone rubber, this gasket offers excellent heat resistance and long-lasting durability.
  • Convenient Size: Measuring 4 inches in diameter, this gasket is suitable for various flask sizes commonly used in jewelry casting.
  • Perforated Design: The perforations allow for even distribution of vacuum pressure, ensuring a secure seal during the casting process.
  • Easy to Use: Simply place the gasket between the flask and the base plate to create an airtight seal for successful casting results.
  • JETS Product # 0304-240-JTS
  • 🔻 More information on Product description 🔻
UPC 794356190606
ASIN B0DNRMK1TQ
Model 0304-240-JTS
Item Form Gasket
Brand Name JTS
Unit Count 1.0 Count
Item Weight 2 Ounces
Part Number CD-240-JTS
Manufacturer JETS INC
Material Type Silicone Rubber
Container Type Tube
Number of Pieces 1
Compatible Material Metal, Plastic
Included Components Silicone Rubber Casting Gasket
Item Package Quantity 1
Water Resistance Level Water Resistant
Specific Uses For Product Jewelry Casting
Other Special Features of the Product Perforated, Vacuum Seal

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