Twin Bore

Twin Bore

Browse our wide range of advanced ceramics and refractory crucibles available for sale within our online store. We hold over 1000 products in stock, available for quick delivery, and manufacture the majority of our product range in-house. We offer no minimum order quantity, and products available from stock can be shipped next day. For custom ceramics or customisation of a stock product, browse our available services, there isn't much we can't do in-house to deliver the perfect ceramic component for your project.

See our full range of Alumina Twin Bore Tubes. These Alumina Tubes come in a wide range of diameters, have a twin bore, are open ended and are all 1 metre in length. We can cut these Tubes down to your required length upon request, but it should be noted there is some wastage in the cutting process.

Our Alumina Tubes are made from high purity recrystallized Alumina (99.7%) The material offers a high degree of temperature and thermal shock resistance and will perform well up to a max temperature rating of 1700°c.

Please note; whilst every effort is made to ensure that the sizes given for each item is as accurate as possible, each product is hand made and therefore all noted sizes are approximate.
General production tolerances are approximately +/-10% of stated nominals.

For specific requirements please contact us directly.

Copyright © 2026. Almath Crucibles Ltd. (incorporated 1996). All rights reserved.

Company registration no: 3167902