磷酸二氫鋁
別名：酸式磷酸鋁 雙氫磷酸鋁
學名：磷酸二氫鋁
別名：酸式磷酸鋁   磷酸鋁   產  地：湖南株洲
分子式：Al(H2PO4)3          分子量：317.94
CAS號:13530-50-2
執行標準：磷酸二氫鋁執行企標QJ/ZSH02.01。
性狀：磷酸二氫鋁為無色透明粘稠液體或白色粉末，易溶于水，水溶液呈酸性。化學結合力強，常溫下固化，耐高溫，有很強的紅外線吸收能力和良好的絕緣性。
用途：磷酸二氫鋁用于耐火材料、阻燃劑、陶瓷、玻璃、電器、鑄造、模具等的制造。磷酸二氫鋁廣泛應用于高溫窯爐上，與耐火骨料配制成耐高溫膠凝材料；用其粘貼爐襯，作爐壁耐火涂層和耐高溫砌縫材料；制作成定形或不定形的耐高溫耐火材料或補爐材料。磷酸二氫鋁還可用作纖維、木材等的膨脹型阻燃料；在電器生產中用作具有良好介電性能的涂層或粘結材料；在陶瓷制品生產中配入磷酸二氫鋁可提高其高溫抗壓強度、抗彎強度，比如蜂窩陶瓷的生產；在建筑業中將其加到普通硅酸鹽水泥或礬士水泥中，可縮短凝固時間，提高水泥制品強度；在電力工業中，利用磷酸二氫鋁電絕緣性能，用于生產耐熱絕緣制品等；制作磷酸鹽膠凝材料；磷酸二氫鋁用于蜂窩陶瓷生產，粘結金屬和陶瓷等。磷酸二氫鋁主要銷往湖北、江西、福建、廣東、上海、河南、甘肅、河北、山東、四川、陜西、黑龍江、遼寧、江蘇、浙江、安徽、貴州等大部分省區。
包裝：磷酸二氫鋁為塑桶包裝，每桶凈重30Kg或內塑外編每袋凈重25Kg。
儲運：儲存于陰涼干燥通風處，不可曝曬。
質量規格：（見下表）

序號	項  目	指     標
1	外  觀	白色粉末	無色或略帶淺色透明粘稠液體
2	五氧化二磷(以P2O5計)%	65±2	33±1
3	氧化鋁（以Al2 O3計）	17±1	8.5±0.5
4	水不溶物% ， ≤	0.50	0.50
5	相對密度（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