Alkali Resistant Refractory Castable

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precio: Negotiable
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Plazo de entrega: The date of payment from buyers deliver within days
asiento: Henan
Validez a: Long-term effective
última actualización: 2020-03-10 14:11
Examinar el número: 124
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Detalles del producto

Product overview

It belongs to aluminum silicate series refractory castable with more acidic. Alkali resistant refractory castable is made of aluminum silicate series material ( like electrofused corundum, zirconium corundum, magnesia, magnesium-alumina spinel, chromium ore and zirconite) as refractory aggregate and powder, adding with aluminate cement and admixture. The characteristics of alkali resistant refractory castable is that it will form the anti-erosion protection layer on the surface at the temperature of 1250℃, and can effectively prevent the the castable from the erosion and penetration of alkaline air flow and material at the high temperature in the cement kiln. This kind of castable is divided into heavy and light weight castable, with good performance under high temperature and alkali erosion resistance. The alkali resistant castable are widely used in cement rotary kiln because of its high strength, low density.


In addition, water glass clay refractory castable also has alkali resistance, can resist the erosion of Sodium melt. Therefore, it can be used in the alkali recovery furnace of papermaking industry and get good results.


Character:

It will form the anti-erosion protection layer on the surface at the temperature of 1250℃, and can effectively prevent the the castable from the erosion and penetration of alkaline air flow and material at the high temperature in the cement kiln.


Specification

Item

NJ1

NJ2

NJ3

NJ4

NJ5

NJ6

Type of Castable

Heavy

Light

Al2O3/%

<40

40

48

66

>35

>35

Density / g·cm-3

2.15

2.16

2.31

2.68

1.68

1.64

Cold crushing strength /MPa

110℃

1100℃

1500℃

42

20

81

80

(1000℃)

88

90

110

120

175

38

32

28

Modulus of Rupture /MPa

110℃

1100℃

1500℃

5.4

2.0

7.8

8.1

9.8

1015

11

3.5

17

4.0

2.5

Linear change after heating /%

1500℃

-0.5

-0.4

(1000℃)

-0.3

-0.98

-1.2

(1200℃)

-1.2

(1200℃)


Application

The alkali resistant castable are widely used in cement rotary kiln because of its high strength, low density. it also can be used in the alkali recovery furnace of papermaking industry.


Product packing

According to the requirement of customer


Why choose us?

Keep integrity, Growth together, Win-win partnership

Professional team: 15+ years experience in refractory production, sale and on-site project management, Make great efforts for excellent quality.

Experienced suppliers: 30+ years experience in production of refractory with certificate of ISO 9001:2015, Strictly follow the standard and procedure.

Serious attitude : PERFECTION OF SERVICE AND QUALITY. Our Quality requirement: Standard, Strict and Excellent. We firmly believe that keep integrity, Stand by quality and go farther.

Complete service: We provide best service from engineering consulting,refractory supply, products quality supervision and inspection and after-sales to our customers.

• Full, consolidated refractory package supplies

• Independent Procurement based on international specifications

• Consistent Data Flow from Offer to General Packing List

• On-Site pre-inspections and reporting to customer

• Full customer support for final inspection

• Arrangement & Monitoring of Door-to-door shipments

• Enhanced after-sales service, including support for brick layers

• FULL TRACEABILITY


http://www.refractories-bricks.com/

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