... product is the mixture solution, odour moderate, relative density (d420) 1.19, viscosity (23 °C) 5.0 mPa · s, ... glycol and glycol. Best use PH value 4 to 8, PH >8 stability when dropped, stored at room temperature for ... PH 3.0-5.0 Activity content % 1.5 Proportion (d420) 1.15 Heavy metal (in Pb plan) than ... than 50 °C, the product in the PH 1 ~ 8 range are effective. The highest recommended dose is 0 ...