3A型分子篩主要成份是以硅鋁酸鹽，形成3A孔徑即為A型晶體結(jié)構(gòu)鉀A型分子篩，完全具備吸附臨界直徑3A的篩分分子。是化工、醫(yī)藥、煉油、中空玻璃等工業(yè)用干燥劑。 化學式：2/3K2O*1/3Na2O* Al2O3*2SiO2*9/2H2O 硅鋁比：SiO2/ Al2O3≈2 一、 產(chǎn)品指標 指標項目 單位 產(chǎn)品規(guī)格型號及標準 球狀 (8×12目 4×8目) 條狀 (1/16” 1/8”) 直徑 mm 1.6-2.5 3-5 5-8 1.6 3.2 粒度 ≥% 98 98 98 92 92 堆積密度 ≥g/ml 0.70 0.68 0.66 0.68 0.66 磨耗率 ≤%wt 0.1 0.1 0.1 0.2 0.2 抗壓強度 ≥N 40 80 110 35 70 靜態(tài)水吸附 ≥mg/g 210 210 210 210 210 吸附乙烯量 ≤mg/g 3.0 3.0 3.0 3.0 3.0 吸附CO2量 ≤%wt 2.0 2.0 2.0 2.0 2.0 包裝含水量 ≤%wt 1.0 1.0 1.0 1.0 1.0 二、主要用途 不飽和烴和裂解氣、乙烯、乙炔、丙烯、丁二烯等干燥； 液體（如甲醇、乙醇）的干燥； 中空玻璃的中空氣干燥； N2?H2混合氣體的干燥； 致冷劑的干燥； 酒精及各類溶劑的脫水。 3A Molecular sieve is made by aluminosilicate. Because of its special crystal structure and 3A length mesh, it can totally adsorb the substance whose diameter is smaller than 3A. It is generally used as desiccant in chemical、medical、petrochemical、insulating glass and so on. Chemical Formula：2/3K2O*1/3Na2O* Al2O3*2SiO2*9/2H2O Si/Al ratio：SiO2/ Al2O3≈2 I、 Technical index: Item imit Type & Measure Bead (8×12 mesh 4×8 mesh) Pellet(1/16” 1/8”) Diameter Mm 1.6-2.5 3-5 5-8 1.6 3.2 Size Ratio ≥% 98 98 98 92 92 Bulk Density ≥g/ml 0.70 0.68 0.66 0.68 0.66 Abrasion ≤%wt %%%%%%wt 0.1 0.1 0.1 0.2 0.2 Strength ≥N 40 80 110 35 70 Water Adsorption Capacity ≥mg/g gfmgmgmg/g 210 210 210 210 210 Ethylene Adsorption Capacity ≤mg/g 3.0 3.0 3.0 3.0 3.0 CO2 Adsorption Capacity ≤%wt 2.0 2.0 2.0 2.0 2.0 Water Content Of Package ≤%wt 1.0 1.0 1.0 1.0 1.0 Ⅱ、Main Applications: Drying cracked gas、alkene、ethylene and so on. Dehydration of organic liquid(like ethanod). Insulating glass drying. Drying the N2 and H2 mixture gas. Dehydration of refrigerant. Dehydration of some solvents.