Refractory mud

Detailed introduction

(1) refractory mud function:
The function of refractory slurry is to bond refractory brick masonry as a whole, making it have good structural stability and airtightness, and can withstand various chemical and physical effects at high temperature, to ensure the safe and normal operation of thermal equipment, to meet the requirements of high efficiency, long life and low consumption. Therefore, the refractory slurry produced by our company has similar or the same physical and chemical properties as the bricklaying refractory brick, but also has a good and suitable masonry performance.
(2) use of refractory mortar:
Used for masonry of various kilns, our company also produces refractory mortar according to customer needs.


Main Properties


 Index

Item

LN-55

LN-65

LN-75

LN-85

NN-30

NN-42

NN-45

type

High alumina based

Clay based

refractoriness, ℃≥

1770

1790

1790

1790

1630

1710

1730

chemical composition,% ≥

Al2O3

55

65

75

85

30

42

45

binding strength,MPa ≥

110℃

1.0

1.0

1.0

2.0

1.0

1.0

1.0

1400℃

4.0

4.0

4.0

---

---

---

---

linear changeafter heating,%

1400℃

+1~-5

---

binding time,min

1~3


 Main Properties


 Index

Item

LGN-140

LGN-120

JGN-92

FSN-174N

FSN-178L

type

silicate-aluminainsulating based

silicon based

Water-free aluminosilicate based

refractoriness, ℃≥

---

---

1670

1740

1780

chemicalcomposition,%≥

Al2O3

65

35

---

48

70

SiO2

---

---

92

---

---

binding strength,MPa≥

110

1.0

0.5

1.0

0.5

0.5

1400

1.5

---

3.0

5.0

5.0

binding time,min

1~2

40~100(s)

 


 Main Properties


 Index

Item

NP-45

LP-70(90/L)

GP-80

type

prosphoric based

Al2O3, % ≥

45

70

80

refractoriness, ℃≥

1750

1790

1840

refractory under load, ℃≥

1200

1320

1600

bindingstrength(Mpa)

110℃after drying

2.0

2.0

2.0

after burned

5.9(1200℃)

5.9(1400℃)

5.9(1500℃)

particle size, %

>0.5mm

≤1

≤1

≤1

≤0.076mm

≥50

≥50

≥50

binding time,s

60~120

60~120

60~120

water quantity of using, %

25~30

25~30

25~30

 耐火泥浆


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