Silica Glass Refractory Filters
Silica Refractory Filters are designed to extract dross, slag, refractory  particles, and non-metallic inclusions from molten metals, both ferrous and non-ferrous. These filters were developed as a low cost, high efficiency alternative to cellular ceramic and reticulated ceramic foam filtration systems. Our filters are capable of withstanding pouring temperatures ranging up to 3000 degrees F. (1620 C.). They are available in several types such as steel casting, Iron/Bronze/Aluminum casting, etc, and can be used for both Sand casting and Investment casting.
Technical characteristics:
Type |
Working temperature |
Continuous working time |
Cup Inner Size(mm) |
Gas evolution
(cm3/g) |
Application |
XR-2 |
1400-1450°C |
10 minutes |
100/80/60/50/40 |
<60 |
iron/bronze/aluminum |
XR-3 |
1600-1620°C |
5 minutes |
120/100/80/60/50 |
<60 |
steel |
For sheet filters, our standard size is 300x150mm,other size available on enqiry.
More pictures of various shapes and sizes:
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