Overview
High temperature resistant mortar is a refractory binding material composed of heat-resistant aggregates (such as alumina, silica or fire clay) combined with specialized cements. Developed for industrial applications requiring thermal durability, it bridges the gap between conventional construction materials and advanced ceramics. Unlike regular mortar, these formulations maintain structural integrity at temperatures exceeding 1000°C. They are engineered to resist thermal cycling, chemical corrosion from flue gases, and mechanical stress in high-heat environments. The material is typically supplied as dry powder for on-site mixing or as pre-mixed pastes for immediate application.
Physical and Chemical Properties
The material exhibits low thermal conductivity (0.5-1.5 W/m·K) to insulate substrates while withstanding direct flame exposure. Compressive strength ranges from 20-50 MPa after curing and firing, with formulations optimized for either rapid heat dissipation or thermal barrier performance. Chemical resistance varies by composition, with alumina-based versions offering superior acid resistance and silica-based types performing better in alkaline environments. Most commercial products demonstrate less than 2% linear shrinkage after firing to prevent crack formation. The working time after mixing typically ranges from 30-90 minutes depending on ambient conditions.
Main Applications
Primary industrial uses include repair and maintenance of cracking furnace linings in petrochemical plants, bonding firebricks in glass melting furnaces, and sealing joints in cement kilns. It serves as a cost-effective alternative to complete refractory replacement in many maintenance scenarios. Specialized applications include sealing combustion chamber penetrations in power plants, constructing pizza ovens in commercial kitchens, and repairing metallurgical furnace components. Some formulations are approved for nuclear facility maintenance where radiation resistance is required alongside thermal performance.
Safety and Storage
Uncured mortar contains alkaline compounds requiring PPE including gloves and eye protection during handling. Dust suppression measures are critical during dry mixing operations to prevent respiratory irritation. The material should never be used on surfaces exceeding 50°C during application. Proper storage in original packaging prevents moisture absorption that could reduce shelf life from the typical 12-18 months. Opened bags should be resealed with moisture barriers and used within 3 months. Cured mortar generates no hazardous byproducts during service but requires proper disposal if contaminated with process chemicals.
B2B Procurement Guide
Industrial buyers should specify both maximum service temperature and thermal cycling requirements when sourcing. Standard temperature classifications include intermediate (1000-1300°C), high (1300-1500°C), and ultra-high (1500°C+) grades. Bulk purchases over 20 tons often qualify for 15-25% discounts. Key evaluation criteria include bond strength development rate (critical for shutdown repairs), thermal expansion compatibility with existing refractories, and available working time. Leading manufacturers provide technical support for large-scale projects including mix design optimization and application training. Container-load shipments typically deliver within 4-6 weeks for import orders.
Related Manufacturers
- 主营：保温砂浆、无机轻集料保温砂浆、聚合物抗裂砂浆、聚合物粘结砂浆、玻化微珠保温砂浆、增水膨珠保温砂浆、瓷砖粘结剂、轻集料混凝土
- 主营：膨胀珍珠岩、聚苯颗粒、胶粉聚苯颗粒、保温砂浆专用胶粉、聚苯颗粒保温砂浆、SF憎水膨珠保温砂浆、玻化微珠保温砂浆、无机轻集料保温砂浆、憎水膨珠保温砂浆、粘接砂浆、聚合物抗裂砂浆、园艺珍珠岩、轻质石膏专用玻化微珠、闭孔玻化微珠、外墙专用灰腻子、B型轻集料混凝土、A型轻集料混凝土、LC5.0轻集料混凝
- 主营：美缝胶、腻子粉、灌浆料、耐磨砂浆、砂浆瓷砖、地面砂浆、砂浆界面剂、快干防水砂浆、防水抗渗砂浆、地面抗裂砂浆、灌浆材料、粉刷石膏、支座加固、瓷砖铺贴胶、强力瓷砖胶、石膏基层剂、瓷砖专用胶、墙面抹灰料、耐水瓷砖胶、混凝土加固、环保耐水腻子、钢结构混凝土、陶瓷砖粘结剂、混凝土修补剂、桥梁支座设备
- 主营：[]
- 主营：[]
- 主营：[]
- 主营：耐火材料、隔热保温材料、耐磨防腐材料、HL耐受高温耐热砂浆、保温防腐材料、耐火保温材料、耐磨隔热材料
- 主营：火山石、石英砂、耐火泥、高温粘合剂、岩棉板、浇注料、黏土砖、耐火砖、钢包砖、高铝条砖、耐火浇注料、熔铝炉耐火材料、硅酸铝保温棉、耐火保温砖、莫来石保温砖、窑炉耐火砖、高铝耐火砖、sK-38耐火砖、耐火胶泥、钢纤维耐磨浇注料、自流防爆浇注料、高铝耐火球、珍珠岩、轻质保温砖
- 主营：挤塑板、保温板、岩棉板、抗裂砂浆、聚合聚苯板
- 主营：硅酸盐保温膏(浆料)、保温抹面材料、耐火浇注料、高温抹面料、玻化微珠保温砂浆、憎水膨珠保温砂浆、高温粘合剂、聚苯颗粒保温砂浆、高温高强度浇注料、微膨胀耐火可塑料、耐火保温材料、稀土保温涂料、海泡石保温涂料、复合硅酸盐保温涂料、硅酸镁保温涂料、硅酸铝保温涂料、FBT稀土保温涂料、GSY新型保温材料、铝镁质保温膏(体)、石棉水泥、稀土抹面料、钢钎维耐磨浇注料、钢钎维耐磨可塑料
- 主营：特种混凝土、铁砂混凝土、配重混凝土、耐高温混凝土、铁屑砂浆、防辐射砂浆、耐高温砂浆、铁矿石混凝土、防辐射混凝土、重晶石混凝土、钢砂混凝土、桥梁配重、钢箱梁配重、硫酸钡混凝土、铁屑混凝土、不发火混凝土、配重材料、含硼混凝土、钢珠混凝土、钢渣混凝土、钢箱梁铁砂混凝土、配重铁砂混凝土、铁砂压重混凝土、压重铁砂混凝土、桥梁铁砂混凝土
- 主营：油漆陶瓷原料、添加用硅酸铝粉、煅烧高岭土、水洗高岭土、滑石粉、膨润土、黄陶土、红陶土、轻质碳酸钙、重质碳酸钙、铝矾土、重晶石粉、石英砂、沸石粉、海泡石
- 主营：混凝土纤维、抗裂纤维、聚丙烯纤维、耐高温耐磨、纤维素纤维、玻璃纤维、仿钢纤维、网状纤维、聚乙烯醇纤维、聚丙烯腈纤维、钢纤维
- 主营：灌浆料、压浆料、道路修补料、丙乳砂浆、聚合物改性水泥砂浆、加固修补砂浆、自流平砂浆、环氧修补砂浆、混凝土色差修复剂、轨道胶泥、环氧树脂稀胶泥、环氧腻子、高延性混凝土、粘钢胶、道钉锚固剂、高强耐磨料、自流平、环氧界面剂、自流平水泥、水泥自流平、混凝土界面剂
- 主营：聚丙烯纤维、纤维素纤维、玄武岩纤维、水泥砂浆纤维、混凝土砂浆纤维、短切玻璃纤维、聚酯纤维、抗裂纤维、聚乙烯醇纤维、增强抗裂纤维、聚丙烯网状纤维、菱形仿钢纤维、波浪形仿钢纤维、沥青路面纤维、钢纤维、仿钢纤维、玻璃纤维、工程纤维、塑料纤维、混凝土纤维、防裂纤维、合成纤维
- 主营：瓷砖胶、防水益胶泥、地面隔音减震、砌筑砂浆、防水砂浆、门窗填缝砂浆、玻化微珠保温砂浆、ALC墙板专用砂浆、聚合物防水抗裂砂浆、薄层抹灰砂浆、保温板粘接砂浆、粘接砂浆、粘结抹面砂浆、轻质石膏砂浆、内墙耐水腻子粉、轻质砖专用抗裂粘合剂、保温腻子、保温凝胶、外墙真石漆腻子粉、混凝土界面处理剂、填缝剂、轻质砖粘接剂、墙板胶泥、防霉腻子粉、外墙腻子粉
- 主营：聚丙烯纤维、抗裂纤维、短切玻璃纤维、耐高温纤维、玻璃纤维毡布、塑钢纤维、聚丙烯网状纤维、玄武岩纤维、聚丙烯腈纤维、纤维素纤维、聚酯纤维、聚丙烯粗纤维、改性玻璃纤维、玻纤粉、木质素纤维、钢纤维、聚乙烯醇纤维、混凝土纤维
- 主营：高岭土、重质碳酸钙、碳酸钙、滑石粉、海泡石、石灰石、硅藻土、一级矿粉、萤石矿石、活性钙、沉淀硫酸钡、氢氧化钙、氧化钙、膨润土、透明粉、硅酸铝粉、贝壳粉、彩砂、轻钙、萤石粉、水镁石、矿粉、铸石粉、浴沙、金玉明砂
- 主营：灌缝胶、伸缩缝、修补胶、丙乳砂浆、喷涂砂浆、沥青砂、灌浆料、压浆料、植筋胶、混凝土、修补料、坑槽修、蓄水池、速凝灰、泥注浆、修复剂、轨道封槽、轨道填充、路面修补、维修堵漏、地面垫层、跑道维修、涂装涂料、维修材料、裂缝修复
- 主营：玻璃鳞片胶泥、环氧玻璃鳞片涂料、环氧富锌漆、中高温玻璃鳞片涂料、高温玻璃鳞片涂料、环氧煤沥青漆、环氧树脂、聚氨酯涂料、乙烯基树脂、防腐涂料、丙烯酸聚氨酯涂料、玻璃鳞片涂料、氟碳漆、环氧富锌底漆、环氧沥青漆、环氧云铁中间漆、氰凝防水防腐涂料、无溶剂环氧涂料、聚氨酯面漆、环氧玻璃鳞片胶泥、中温玻璃鳞片胶泥、水性环氧富锌底漆、氰凝防腐涂料、氰凝防水涂料
- 主营：煅烧高岭土、重钙粉、轻钙粉、滑石粉、膨润土、活性钙、硅灰、硅藻土、绿泥石粉、伊利石粉、白云石粉、石英粉、重晶石粉、活性白土、灰钙、变压器鹅卵石、彩色石子、金刚砂
- 主营：岩片、染色岩片、蛭石、云母、石英砂、雨花石、染色云母、机制炭、烧烤炭、白云石、石子、五彩石