Features
Product group : AA-75
Porous insulators made from alumina with a purity of 75% (mullite-type family) that are used for thermocouple pipe insulation, protection tubes and low temperature heaters.
Affordable price set for regular items
Products in the shape of pipes with one bore, two bores, four bores, six bores or eight bores and at maximum height of 300L
Product group : MM-99
Products made from magnesia with a purity of 99% that are used for high temperature sheathed heaters and cartridge heaters
High-purity magnesia sintered products
Products in the shape of pipes with one bore, two bores, four bores, six bores or eight bores and at maximum height of 300L
We will produce items with different shapes.
We will produce the item for a minimum order quantity of 100.
Highly recommended for Ceramic Insulators for Heaters
Product group : SS-99
Fused Silica with a purity of 99.7%
Fused silica sintered products
Table of Physical Properties
Note that the features listed below depend on their physical shapes and service condition.
Note that the features listed below are reference values and are not guaranteed.
| Product group | AA-75 | MM-99 | SS-99 | |
|---|---|---|---|---|
| Materials | Alumina | High-purity Magnesia | High-purity Silica | |
| Appearance | Porous | |||
|
Chemical Ingredients (Wｔ%) |
MgO | 2.2 | 99.0 | 0.01 |
| Al2O3 | 74.0 | 0.1 | 0.08 | |
| SiO2 | 21.0 | 0.3 | 99.7 | |
| CaO | 2.4 | 0.3 | 0.02 | |
| Fe2O3 | 0.3 | 0.2 | 0.04 | |
| Ig.Loss | 0.1 | |||
|
Specific Gravity (g/cm3) |
2.0 | 2.2 | 1.5 | |
|
Water-absorption Rate (%) |
17.5 | 20.0 | 19.8 | |
|
Apparent Porosity (%) |
35.0 | 41.0 | 30.7 | |
| Color Appearance | White | Light Yellow | White | |