Product description
The main components of 9 x 4.5 x 1.25 firebrick are clay and kaolin, and usually a certain proportion of quartz sand, bauxite, coal gangue and other auxiliary raw materials are added. The content of clay is usually between 50% and 70%, and the content of kaolin is between 10% and 30%.

Advantages of 9 x 4.5 x 1.25 firebrick
9 x 4.5 x 1.25 firebrick have good fire resistance: clay firebricks have good high temperature resistance, usually can withstand high temperatures above 1000℃, and some can even reach high temperatures above 1500℃.
The 9 x 4.5 x 1.25 firebrick made by CH refractories with various size and free mold charge to meet different kiln applications. To be professional refractory blocks manufacturer since 1984, CH refractories also can design heat resistant bricks for sale, size according to your kiln drawing for free, and suggest you the most economical refractory bricks price for your kiln.

Physical and chemical index of 9 x 4.5 x 1.25 firebrick
|
Items |
Index |
|
||||||||
|
/ |
N-1 |
N2a |
N2b |
N-3a |
N-3b |
N-4 |
N-5 |
N-6 |
||
|
Refractoriness /℃≥ |
1750 |
1730 |
1730 |
1710 |
1710 |
1690 |
1670 |
1580 |
||
|
0.2Mpa Refractoriness under load(RUL)/℃≥ |
1400 |
1350 |
/ |
1320 |
/ |
1300 |
/ |
/ |
||
|
Reheating linear change/℃(1500℃,2h) |
1400℃,2h |
+0.1 -0.4 |
+0.1 -0.5 |
+0.2 -0.5 |
/ |
/ |
/ |
/ |
/ |
|
|
1350℃,2h |
|
|
|
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
|
||
|
Apparent porosity/% ≤ |
22 |
24 |
26 |
24 |
26 |
24 |
26 |
28 |
||
|
CCS/Mpa ≥ |
30 |
25 |
20 |
15 |
15 |
20 |
15 |
15 |
||
Packages:

Factory introduction

Zhengzhou Caihua Kiln Masonry Installation Co., Ltd, be called for short of CH Refractories was founded in 1984, have advanced process equipment and raw material preparation system.

A full set of refractories conventional testing equipment, can ensure the quality before sending to customers.

CH Refractories mainly produce refractory materials for metallurgical, coking, cement industry, electric power industry, chemical and general industrial furnaces. Annual production of a variety of shaped and unshaped refractory materials 120,000 tons. The refractory products exported to Middle east, South America, Middle Asia, Southeast Asia, Africa and other regions.
FAQ
Q: What is Foreign Trade-Express?
Q: How can I get price at soonest?
Q: Can I get sample for testing?
Q: What is MOQ of your product?
Q: How can you guarantee your products quality
Q: Which countries you mainly exporting to?
Q: How long is the production time?
Q: What payment term you can accept?
Q: Can you do OEM? Or customized packages?
Q: Can I visit your factory?
Physical and chemical index of Superior clay firebrick
|
Items |
Index |
|
||||||||
|
/ |
N-1 |
N2a |
N2b |
N-3a |
N-3b |
N-4 |
N-5 |
N-6 |
||
|
Refractoriness /℃≥ |
1750 |
1730 |
1730 |
1710 |
1710 |
1690 |
1670 |
1580 |
||
|
0.2Mpa Refractoriness under load(RUL)/℃≥ |
1400 |
1350 |
/ |
1320 |
/ |
1300 |
/ |
/ |
||
|
Reheating linear change/℃(1500℃,2h) |
1400℃,2h |
+0.1 -0.4 |
+0.1 -0.5 |
+0.2 -0.5 |
/ |
/ |
/ |
/ |
/ |
|
|
1350℃,2h |
|
|
|
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
|
||
|
Apparent porosity/% ≤ |
22 |
24 |
26 |
24 |
26 |
24 |
26 |
28 |
||
|
CCS/Mpa ≥ |
30 |
25 |
20 |
15 |
15 |
20 |
15 |
15 |
||



