磷酸二氢铝
别名：酸式磷酸铝 双氢磷酸铝
学名：磷酸二氢铝
别名：酸式磷酸铝 磷酸铝 产 地：湖南株洲
分子式：Al(H2PO4)3 分子量：317.94
CAS号:13530-50-2
执行标准：磷酸二氢铝执行企标QJ/ZSH02.01。
性状：磷酸二氢铝为无色透明粘稠液体或白色粉末，易溶于水，水溶液呈酸性。化学结合力强，常温下固化，耐高温，有很强的红外线吸收能力和良好的绝缘性。
用途：磷酸二氢铝用于耐火材料、阻燃剂、陶瓷、玻璃、电器、铸造、模具等的制造。磷酸二氢铝广泛应用于高温窑炉上，与耐火骨料配制成耐高温胶凝材料；用其粘贴炉衬，作炉壁耐火涂层和耐高温砌缝材料；制作成定形或不定形的耐高温耐火材料或补炉材料。磷酸二氢铝还可用作纤维、木材等的膨胀型阻燃料；在电器生产中用作具有良好介电性能的涂层或粘结材料；在陶瓷制品生产中配入磷酸二氢铝可提高其高温抗压强度、抗弯强度，比如蜂窝陶瓷的生产；在建筑业中将其加到普通硅酸盐水泥或矾士水泥中，可缩短凝固时间，提高水泥制品强度；在电力工业中，利用磷酸二氢铝电绝缘性能，用于生产耐热绝缘制品等；制作磷酸盐胶凝材料；磷酸二氢铝用于蜂窝陶瓷生产，粘结金属和陶瓷等。磷酸二氢铝主要销往湖北、江西、福建、广东、上海、河南、甘肃、河北、山东、四川、陕西、黑龙江、辽宁、江苏、浙江、安徽、贵州等大部分省区。
包装：磷酸二氢铝为塑桶包装，每桶净重30Kg或内塑外编每袋净重25Kg。
储运：储存于阴凉干燥通风处，不可曝晒。
质量规格：（见下表）
|
序号 |
项 目 |
指 标 |
|
1 |
外 观 |
白色粉末 |
无色或略带浅色透明粘稠液体 |
|
2 |
五氧化二磷(以P2O5计)% |
65±2 |
33±1 |
|
3 |
氧化铝（以Al2 O3计） |
17±1 |
8.5±0.5 |
|
4 |
水不溶物% ， ≤ |
0.50 |
0.50 |
|
5 |
相对密度（25℃） |
—— |
1.47±0.03 |
Nickname: Acid aluminum phosphate dihydrogen aluminum phosphate
Scientific name: Aluminum dihydrogen phosphate
Nickname: Acid aluminum phosphate Origin: Zhuzhou, Hunan
Molecular formula: Al (H2PO4) 3 Molecular weight: 317.94
CAS number: 13530-50-2
Execution standard: Aluminum dihydrogen phosphate shall comply with the enterprise standard QJ/ZSH02-01.
Characteristics: Aluminum dihydrogen phosphate is a colorless, transparent, viscous liquid or white powder, easily soluble in water, and the aqueous solution is acidic. Strong chemical bonding, cured at room temperature, resistant to high temperatures, with strong infrared absorption ability and good insulation.
Usage: Aluminum dihydrogen phosphate is used in the manufacturing of refractory materials, flame retardants, ceramics, glass, electrical appliances, casting, molds, etc. Aluminum dihydrogen phosphate is widely used in high-temperature kilns and is mixed with refractory aggregates to form high-temperature resistant cementitious materials; Use it to paste the furnace lining as a refractory coating on the furnace wall and a high-temperature resistant joint material; Produce high-temperature resistant refractory materials or furnace repair materials in fixed or amorphous form. Aluminum dihydrogen phosphate can also be used as an expansion type fuel for fibers, wood, etc; Used as a coating or bonding material with good dielectric properties in electrical production; Adding aluminum dihydrogen phosphate to the production of ceramic products can improve their high-temperature compressive strength and flexural strength, such as in the production of honeycomb ceramics; Adding it to ordinary Portland cement or alumina cement in the construction industry can shorten the setting time and improve the strength of cement products; In the power industry, utilizing the electrical insulation performance of aluminum dihydrogen phosphate is used to produce heat-resistant insulation products, etc; Production of phosphate cementitious materials; Aluminum dihydrogen phosphate is used in the production of honeycomb ceramics, bonding metals and ceramics, etc. Aluminum dihydrogen phosphate is mainly sold to most provinces and regions such as Hubei, Jiangxi, Fujian, Guangdong, Shanghai, Henan, Gansu, Hebei, Shandong, Sichuan, Shaanxi, Heilongjiang, Liaoning, Jiangsu, Zhejiang, Anhui, and Guizhou.
Packaging: Aluminum dihydrogen phosphate is packaged in plastic drums, with a net weight of 30Kg per drum or 25Kg per bag made of inner and outer plastic.
Storage and transportation: Store in a cool, dry and ventilated place, do not expose to sunlight.
Quality standard (see the table bellow) :
|
No |
Items |
Index |
|
1 |
Appearance |
White powder |
Colorless or light transparent viscous liquid |
|
2 |
Phosphorous pentoxide as P2O5 % |
65±2 |
33±1 |
|
3 |
Alumina as Al2 O3 % |
17±1 |
8.5±0.5 |
|
4 |
Water insoluble%≤ |
0.50 |
0.50 |
|
5 |
Specific gravity 25℃ |
—— |
1.47±0.03 |
