Description
Refractory mortar is an unshaped refractory material composed of refractory powders, binders, and additives. It has characteristics such as high-temperature stability, good bonding properties, resistance to chemical corrosion and wear resistance.
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Specification
Aluminum-silica refractory mortar
| Item | Grade | |||||||
| NN-30 | NN-38 | NN-42 | NN-45 | LN-55 | LN-65 | LN-75 | ||
| ω(Al2O3) / % | ≥30 | ≥38 | ≥42 | ≥45 | ≥55 | ≥65 | ≥75 | |
| Refractoriness/℃ | 1620 | 1680 | 1700 | 1720 | 1760 | 1780 | 1780 | |
| Flexural Bonding Strength /MPa | 110℃×24h | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 |
| 1200℃×3h | ≥3.0 | ≥3.0 | ≥3.0 | ≥3.0 | – | – | – | |
| 1400℃×3h | – | ≥4.0 | ≥4.0 | ≥4.0 | ||||
| HPLC / % | 1200℃×3h | -5~+1 | – | |||||
| 1400℃×3h | – | -5~+1 | ||||||
| Bonding Time/min | 1~3 | |||||||
| Particle Size/ % | ＜1.0mm | 100 | ||||||
| ＞0.5mm | 2 | |||||||
| ＜0.075mm | 50 | |||||||
| Notes: For special requirements, the bonding time shall be determined through negotiation between the supplier and the buyer. | ||||||||
Phosphate-bonded Aluminum-silica refractory mortar
| Item | Grade | ||||||
| NN-45P | LN-65P | LN-75P | GN-85P | GN-90P | |||
| ω(Al2O3) / % | ≥45 | ≥65 | ≥75 | ≥85 | ≥90 | ||
| Refractoriness/℃ | ≥1720 | ≥1780 | ≥1780 | ≥1780 | ≥1800 | ||
| Flexural Bonding Strength/ MPa | 110℃×24h | ≥2.0 | ≥2.0 | ≥2.0 | ≥2.0 | ≥2.0 | |
| 1400℃×3h | ≥6.0 | ≥6.0 | ≥6.0 | – | – | ||
| 1500℃×3h | – | ≥6.0 | ≥6.0 | ||||
| Refractoriness Under Load / 0.2 MPa T0.6/℃ | 1200 | 1400 | 1400 | 1600 | 1650 | ||
| Permanent Linear Change on Heating/ % | 1400℃×3h | -5~+1 | |||||
| 1500℃×3h | – | -5~+1 | |||||
| Bonding Time/min | 1~3 | ||||||
| Particle Size/ % | ＜1.0mm | 100 | |||||
| ＞0.5mm | 2 | ||||||
| ＜0.075mm | 50 | 40 | |||||
| Remarks: For special requirements, the bonding time shall be determined through negotiation between the supplier and the buyer. | |||||||
Magnesia and magnesia-alumina refractory mortar
| Item | Grade | |||||
| MN-91 | MN-95 | MN-97 | MLN-70 | MLN-80 | ||
| ω(MgO / % | ≥91 | ≥95 | ≥97 | ≥70 | ≥80 | |
| ω(Al2O3) / % | – | 8~20 | 5~10 | |||
| Flexural Bonding Strength/ MPa | 110℃×24h | ≥1.5 | ||||
| 1500℃×3h | ≥3.0 | |||||
| Permanent Linear Change on Heating/ % | 1500℃×3h | -4~+1 | ||||
| Bonding Time/min | 1~3 | |||||
| Particle Size/ % | ＜1.0mm | 100 | ||||
| ＞0.5mm | 2 | |||||
| ＜0.075mm | 60 | |||||
| Remarks: For special requirements, the bonding time shall be determined through negotiation between the supplier and the buyer. | ||||||
Magnesia chromite refractory mortar
| Item | Grade | ||||
| MGN-8 | MGN-12 | MGN-16 | MGN-20 | ||
| ω(MgO / % | 70~80 | ≥60 | ≥55 | ≥50 | |
| ω(Cr2O3) / % | 4~9 | ≥12 | ≥16 | ≥20 | |
| Flexural Bonding Strength/ MPa | 110℃×24h | ≥1.0 | |||
| 1500℃×3h | ≥2.0 | ||||
| Permanent Linear Change on Heating/ % | 1500℃×3h | -4~+1 | |||
| Bonding Time/min | 1~3 | ||||
| Particle Size/ % | ＜1.0mm | 100 | |||
| ＞0.5mm | 2 | ||||
| ＜0.075mm | 60 | ||||
| Remarks: For special requirements, the bonding time shall be determined through negotiation between the supplier and the buyer. | |||||
Applications
Mainly used for laying refractory bricks, plastering or filling the gaps and holes in kilns and other high-temperature equipment, and is suitable for emergency repairs of various high-temperature industrial kilns.
Our services: refractory technicians, refractory installation drawings, refractory bricks and castables, refractory masonry services, refractory mixes and precast cell, special shaped bricks, insulation materials, installation supervision, accident investigation and resolution, other customized services.
