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Grey Solid Neoprene Rubber Bung Stopper No 13
Size 3mm Bottom, 4.5mm Top and 12mm Length.
To Standard BS2775:1978 (1992).
Neoprene stoppers have better resistance to heat, ozone and petroleum based oils than red rubber but are less suitable for low temperature use.
Operate at temperature ranging -30°C to 100°C.
Stoppers for tubes and bottles made from rubber. Can be supplied with hole upon request for tubes to pass through see below sizes that can have this service.
Each stopper has a moulded-in number, corresponding to the bottom diameter in millimetres.
Natural rubber stoppers can be supplied with holes, see below sizes:
3 and 4: Supplied solid only
5 to 8: 1 hole of 3mm
9 to 105: 1 hole of 5mm
15 to 105: 2 holes of 5mm
Please note that the Bungs can be supplied with pre drilled holes, however they are not stocked as standard. This is a separate process and therefore Bungs with predrilled holes are more bespoke.
Please advise as to your order requirements and we will by return advise on the current availability and lead time. On occasion this lead time can be a relatively short turn-around, typically 7 - 10 days is the norm, occasionally certain smaller bungs with holes maybe subject to a Minimum order quantity to make the process economically viable.