Silicone Gaskets
Silicone sealing gaskets sized 2″ to 6″ in 3 mm and 5 mm thickness, to seal the flask during vacuum investing and casting.
- 2″ – 6″
- 3 mm & 5 mm thick
- Heat-resistant silicone
Fig. 04
Image coming soon
Silicone gaskets seal the flask against the table or sprue base so vacuum holds during investing and casting. The heat-resistant silicone keeps its seal through repeated cycles.
They are made in standard sizes from 2″ to 6″ to match the flask diameter, in two standard thicknesses: 3 mm and 5 mm.
Range
3 mm
Standard 3 mm gasket · 2″ · 2½″ · 3″ · 3½″ · 4″ · 5″ · 6″
5 mm
Thicker 5 mm gasket · 2″ · 2½″ · 3″ · 3½″ · 4″ · 5″ · 6″
Sizes and thickness
| Thickness | Available sizes |
|---|---|
| 3 mm | 2″, 2½″, 3″, 3½″, 4″, 5″, 6″ |
| 5 mm | 2″, 2½″, 3″, 3½″, 4″, 5″, 6″ |
Order & enquire
Order silicone gaskets
Choose your specification and send it straight to our sales team. Need a custom size or OEM packing? Add it in the notes. We respond within one business day.


