Model				APW-1	APW-2	ATP
Phosphorus pentoxide(%)			≥	42.5-46.5	35.0-40.0	64-68
Aluminum oxide(%)			≤	11.0-15.0	9.5-13.5	13-17
Silica(%)			≤	13.5-17.0	11.5-15.5
Zinc oxide(%)			≤	15.0-18.0	26.0-30.0
Density (g / cc)			≤	2.0-3.0	2.0-3.0
Hydrotropes content(%)			≤	≤1.0	≤1.0	≤1.0
Oil Obsorption(g oil / 100g sample)			≤	35±10	35±10
Fineness(45mm sieve residues)(%)			≤	≤0.5	≤0.5	≤0.5
Water extract PH Value				5.5-7	5.5-7	2.5-3.5
Moisture (%)			≤	≤3.0	≤3.0	≤3.0
Package: woven bags lined with plastic bags, 40kg/bag.