Thermal Insulation Fire proof Alumina brick
USD $1 - $3 /Piece
Min.Order:100 Pieces
Laizhou Sunshine Trading Co., Ltd.
Surya Thermal Insulation Material Co., Ltd. mainly exports all kinds of industry insulation materials and refractory materials required by customers.
The calcium silicate boards we produced feature high temperature and low temperature resistance. Annual output is 30000 cubic meters.
Products are used for processing equipment, piping and furnace because of thermal insulation and soundproof and fireproof characteristics. They are applied in electric power, metallurgy, prettification, construction and vessel fields.
With professional technicians and excellent team members, Tthe products from our company got good evaluation from customers.
We sincerely welcome you to negotiate business with us. You will get super products and super service from our company.
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Expanded Perlite Products
Heat insulation refractory bricks is my company the American advanced standard reference to the development and
production of a kind of high efficient, energy saving, high grade product. The products have been widely used in
metallurgical hot dip galvanized furnace, silicon steel processing furnace, blast furnace stove; The petrochemical
industry ethylene cracking furnace, hydrogen furnace, a transformation furnace, sulfur recovery units; And other such
as roller kiln, spindle type kiln, prevent (fight) carburizing (n) the stove and so on thermal device, and satisfactory
results.
Product features :
1. High temperature resistant,
2. Performance is good,
3. High strength,
4. Show low porosity,
5. An acid, alkali resistant, aggressive good, etc
Product application:
Mainly used for thermal boilers, cement kiln, glass furnace, gas furnace, fertilizer, blast furnace hot-blast stove, coking furnace, electric furnace, casting and casting steel brick
Technical parameters:
Al2O3% | >45 |
SiO2% | 40 |
Fe2O3% | <1.0 |
CaO | 1.7 |
Normal temperature the flexural strength MPa | 1.0-1.3 |
Volume density % | 0.52-1.25 |
Normal temperature compression strength MPa | 1.2-3.4 |
Softening temperature °C | 1250 |
Thermal shock stability (water) times / 1000 degrees air cold | >15 |
Coefficient of thermal conductivity W / (m.k) 350 degrees +-10 degrees | -1 |
Heavy burn line change % | -1 1300*12h |
The highest use ° C temperature | 1230-1760 |
Item | Unit | Index | ||||
|
| LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
Al2O3≥ | % | 75 | 65 | 55 | 48 | |
≥ refractoriness | °C | 1790 | 1790 | 1770 | 1750 | |
≥ softening temp under 0.2 Mpaload | °C | 1520 | 1500 | 1470 | 1420 | |
Liner change of heating | 1500°C, 2h | % | +0.1 -0.4 |
| ||
1450°C, 2h |
| +0.1 -0.4 | ||||
≤ porosity | % | 23 | 22 | |||
≥ pressure resistance at normal temp | Mpa | 53.9 | 49.0 | 44.1 | 39.2 |