Product Overview
Phosphate bonded high alumina refractory brick mainly use calcined bauxite as aggregate and fine powder, bonded by phosphate solution(potency 42.5~50%), formed by drying press, and sintering at medium temperature of 400~600℃.
Classification by binders: Phosphate bonded high alumina refractory brick (P) , Phosphate bonded high alumina wear resistant refractory brick (PA)
Product Characteristics
01.
Higher refractoriness under load
02.
Strong thermal shock resistant ability
03.
Good wear resistance
04.
Higher compressive strength
Application
Phosphate bonded high alumina brick is main refractory material for cement industry, can be used in LTZ/UTZ, calcining zone, cooling zone of cement rotary kilns.
Product Specifications
| Item | P-80 | PA-80 | PA-85 |
| Al2O3% | ≥75 | ≥77 | ≥85 |
| Refractoriness℃ | ≥1770 | ≥1770 | ≥1790 |
| Bulk Density(g/cm3) | 2.65 | 2.7 | 2.8 |
| Thermal Conductivity | ≦1.5 | ≦1.5 | ≦1.5 |
| Cold Crushing Strength Mpa | ≥60 | ≥64 | ≥110 |
| Application | High temperature part | Abrasion part of cement rotary kiln like cooling zone | |
