After a long time of development,Liling xing tai long special ceramic co.,ltd has successfully launched Zirconai insulating zirconia alumina ceramic fiber tube. Technological innovation is the cornerstone of product quality. Liling xing tai long special ceramic co.,ltd have the aspiration to become a leading enterprise in the market. To achieve this goal, we will continually follow the market rules strictly and make bold changes and innovations to cater to market trends.
Place of Origin: | Hunan, China | Type: | Ceramic Tubes, Metal ceramic parts |
Application: | Structure Ceramic, Industrial Ceramic | Material: | Zirconia Ceramic |
Model Number: | Various | Brand Name: | Xing Tai Long |
Materials: | Ceramic part with metal | Property: | High Compressive Strength |
Color: | White Or others | Shape: | Round |
Item: | Core ceramic metal part | Product: | Zirconia Ceramic Plunger for Pump |
Material: Zirconia ceramic
Mainly Usage:
1. Heat treatment furnace and toughened furnace
2. Inner liner tube and heating tube in electric furnace
Features:
1.Great mechanical strength
2.High softening temperature
3.Good resistance to thermal impact
4.Small thermal expansion coefficient
5.Good chill and abrupt heat properties
6. Resistance to acid and alkali corrosion
Chemical competent |
Al2O3 |
≥99.5% |
SiO2 |
<0.2% |
|
Fe2O3 |
<0.1% |
|
Alkaline matter |
<0.1% |
|
Density |
3.9 g/cm3 |
|
Hardness |
9 M |
|
Water absorption |
<0.1% |
|
Ruptures trength |
>2000kg/cm2 |
|
Gas tightness |
Kept for ten minutes at negative pressure of 1.3Kpa. The pressure drop is less than 0.3Kpa. |
|
Thermal tolerance |
Insert the pipe into the furnace at a depth of 20mm. Heat to 1600ºC and maintain for 30 minutes. |
|
Alkali tolerance |
In the Na2CO3 solution of 2N concentration, boil for 15 hours with the weight loss not greater than 20mg/dm2. |
|
Volume resistance |
>9*10(5) Ω·cm/1600ºC |
|
Breakdown voltage |
20kv/cm |
|
Expansion coefficient |
8*10(-8) |
|
Temperature for use |
Long-term: 1600ºC Short-term: 1800ºC |
|
Chill and abrupt heat |
1500ºC~room temperature not cracking thrice. |
Material |
65 Al2o3 |
75 Al2o3 |
80 Al2o3 |
85 Al2o3 |
90 Al2o3 |
95 Al2o3 |
99 Al2o3 |
Al2o3 |
65% |
75% |
80% |
85% |
90% |
93% |
99.3% |
Fe2o3 |
≤ 4 |
≤ 2 |
≤ 1.5 |
≤ 1.0 |
≤ 0.5 |
≤ 0.5 |
≤ 0.3 |
Desnsity: g / cm3 |
2.8 |
3.10 |
3.20 |
3.40 |
3.50 |
3.60 |
3.85 |
Vickers Hardness |
7.5 |
≤ 7.8 |
≥ 8 |
≥ 8.6 |
≥ 8.8 |
9 |
9 |
Water Absorption:% |
≤ 4 |
≤ 1 |
≤ 0.5 |
≤ 0.2 |
≤ 0.1 |
≤ 0.085 |
≤ 0.01 |
Refractoriness:°C |
1300 °C |
1400 °C |
1450 °C |
1580 °C |
1600 °C |
1650 °C |
1800°C |
Flexural Strength:Mpa |
80 |
100 |
150 |
180 |
200 |
240 |
280 |
Wear Rate( at room temperature, erosion, 100 grinding)% |
≤ 5 |
≤ 4.5 |
≤ 3.5 |
≤ 3 |
≤ 2.5 |
≤ 1 |
≤ 0.5 |
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