ITEMS APG001 APG002 APG003 APG004 APG005 APG007 Appearance Light yellow liquid Light yellow liquid Light yellow liquid Light yellow liquid Dark Brown liquid Dark Brown liquid Solid Content 50%Min 60% Min 62%-65% 70% Min 70% Min 70% Min Free fatty alcohol 1.0%Max 1.0% Max 1.0% Max 1.0% Max 1.0% Max 1.0% Max Inorganic Salt 3.0% Max 3.0% Max 3.0% Max 3.0% Max 3.0% Max 3.0% Max pH(option 1) 11.5-12.5 11.5-12.5 11.5-12.5 11.5-12.5 11.5-12.5 11.5-12.5 pH(option 2) 7.0-9.0 7.0-9.0 7.0-9.0 7.0-9.0 7.0-9.0 7.0-9.0 Viscosity 200mPa.s Min(20â??) 1000mPa.s Min(20â??) 2000mPa.s Min(20â??) 5000mPa.s Min(25â??) 5000mPa.s Min(25â??) 3500-6000mPa.s