Comprehensive protection of the metal jet from oxidation
23.05.2017
LLC "Promatechnologies" offers mullito-silica tubes MKR TU 14-8-477-83 of various configurations (round, oval, rectangular, star) with a length from 10 to 2000 mm, recommended service temperature up to 1500°С.
They are used in devices for determining carbon and sulfur in metals and alloys; for protection of thermocouples, thermoelectrodes and other purposes.
| Size (external D * internal d), mm | Price, UAH for 1 linear meter | Weight for 1 linear meter, kg |
|
2,0*0,7*5-1000 |
600,00 |
0,012 |
|
2,5*1,0*5-1000 |
600,00 |
0,012 |
|
3,0*0,7*1000 (2-channel) |
600,00 |
0,020 |
|
3,81*1,6*144,58 |
300,00 | 0,020 |
|
4,0*2,0*1000 |
480,00 |
0,030 |
|
4,6*0,9*5-1000 (2-channel) |
600,00 |
0,038 |
|
5,6*1,7*5-1000 (2-channel) |
600,00 |
0,055 |
|
5,6*1,7*5-1000 (4-channel) |
600,00 |
0,042 |
|
6,0*4,0*5-2000 |
600,00 |
0,045 |
|
6,0*4,0*1000 (Operating temprature 1500°С) |
672,00 | 0,045 |
|
6,5*1,5*5-1000 (2-channel) |
600,00 |
0,074 |
|
6,5*1,5*5-1000 (4-channel) |
600,00 |
0,065 |
|
7*2*1000 |
720,00 | 0,143 |
|
7,5*2*1500 |
696,00 |
0,143 |
|
8,0*1,8*5-1000 (2-channel) |
600,00 |
0,113 |
|
8*4*1500 |
432,00 |
0,151 |
|
9*6*1500 |
540,00 |
0,151 |
|
9*6*2000 (Operating temprature 1500°С) |
936,00 | 0,151 |
|
10,0*2,0*1000 (2-channel) |
480,00 |
0,181 |
|
10*4*2000 (Operating temprature 1500°С) |
990,00 | 0,181 |
|
10*5*1500 |
780,00 |
0,147 |
|
12*6*3000 |
600,00 |
0,147 |
|
12*8*1500 |
984,00 |
0,183 |
|
12*8*2000 (Operating temprature 1500°С) |
984,00 | 0,183 |
|
14*10*2000 (Operating temprature 1500°С) |
1134,00 |
0,393 |
|
14*10*2000 (Operating temprature 1500°С, closed at one end) |
1584,00 | 0,393 |
|
15*6*3000 |
504,00 |
0,386 |
|
15*7*5-3000 |
4 20,00 |
0,386 |
|
16*9*3000 |
504,00 |
0,344 |
|
17*12*3000 |
605,00 |
0,261 |
|
18*14*3000 |
672,00 |
0,261 |
|
20*10*3000 |
648,00 |
0,589 |
|
23*18*10-3000 |
600,00 |
0,403 |
|
25*15*3600 |
864,00 |
0,785 |
|
25*15*2000 (Operating temprature 1500°С, closed at one end) |
3024,00 | 0,785 |
|
26*21*3000 |
864,00 |
0,468 |
|
30*10*3600 |
1224,00 |
1,571 |
|
30*15*3000 |
1122,00 |
1,363 |
|
30*20*3600 |
918,00 |
1,082 |
|
32*16*3600 |
1170,00 |
1,508 |
|
32*22*4000 |
972,00 |
1,082 |
|
32*26*4000 |
870,00 |
0,683 |
|
34*24*4000 |
1116,00 |
1,064 |
|
35*25*3600 |
1122,00 |
1,216 |
|
36*21*3600 |
1272,00 |
1,414 |
|
36*24*3600 |
1122,00 |
1,414 |
|
38*28*10-3000 |
890,00 |
2,156 |
|
40*20*3600 |
1632,00 |
2,356 |
|
40*30*3600 |
1074,00 |
1,374 |
|
45*35*3600 |
1344,00 |
1,571 |
|
50*30*3600 |
3054,00 |
3,142 |
|
50*40*3600 |
2544,00 |
1,767 |
|
60*40*3000 |
3312,00 |
3,927 |
|
60*50*3600 |
2688,00 |
2,160 |
|
70*50*4000 |
5479,00 |
4,850 |
|
80*70*10-3000 |
3520,00 |
3,100 |
|
86*60*10-3000 |
4660,00 |
7,453 |
|
90*70*10-3000 |
5360,00 |
6,283 |
|
105*90*10-2000 |
4730,00 |
4,926 |
It is possible to manufacture tubes with other standard sizes at the request of the customer.
Physico-chemical parameters
| Indexes | Mass fraction, % |
|
Аl2Оз, not more
|
65-95
|
| Рb2О3, not more |
0,7
|
|
ZrOs,no less
|
-
|
|
Fire resistance, °С,no less
|
1750
|
|
Water absorption, %, not more
|
0,2
|
|
Thermal stability, number of heat changes,no less
|
3
|
|
Recommended operating temperature, °С,
|
1350-1500
|
Limit deviations along the length of products
|
For long products:
|
Norms
|
|
up to 100 mm
|
± 1 mm
|
|
from 100 to 500 mm
|
± 3 mm
|
|
over 500 mm
|
± 5 mm
|
It is also possible to produce other technical ceramics (sleeves, shuttles, insulators, glasses, etc.) according to the customer's drawings.