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Prices are current as of Sunday, 20/09/2020.
Prices shown are in AUD and GST exclusive. Tax is added at checkout.

AU $15.00 Price:
AU $9.00
Availability: 1 In Stock
Product Code: VGC-CF35

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Copper gaskets for Conflat vacuum systems

Copper, the normal gaskets for stainless steel CF flanges are punched from 1/4-hard, high purity, oxygen-free (OFHC) copper stock, chemically cleaned and finished to be scratch and burr-free. Can be heated up to 450 deg. C in flange assembly. Metal wire gaskets made of copper, gold or indium can be also be used.

Metal gaskets are impermeable to gases and withstand moderately high temperatures indefinitely. The CF flange is the most widely used For high vacuum and UHV applications. Many gauges, instruments, accessories and feedthroughs are available on this flange system.
ProSciTech stocks a range of indium wire.

CF systems use a copper gasket and knife-edge flanges to achieve the high vacuum seal and can operate down to 10-13 torr (10-11 Pa) and can be heated to 450 deg. C for bake-out.

Also see DN centering rings with viton o-rings
Vacuum Flange Types and Sizes


Orders with items in stock are packed within 24 hours. We ship with our best choice of courier, depending on goods ordered and shipping address provided.


Standard delivery

Express delivery


Next day



2-3 business days



4-10 business days

2-3 business days


6-14 business days

2-3 business days



5-14 business days

*Note: Delivery times are as provided by our carriers and are estimates only. Delays may occur during peak periods, and due to factors outside the carriers' control.

Standard shipping is $15 in Australia (free on orders over $200). Add $5 to ship Express (under 2kg only)


Order online and collect from our warehouse in Townsville.


Freight Charge

Ready for collection

11 Carlton Street, Kirwan


Once invoice has been emailed
(Less than 1 business day)

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