... when the shearing force is high (brushes spreads) the hydrogen to strengthen is destroyed, the viscosity drops, therefore spreads brushes easily ... force vanishes, the viscosity maintains the low level by to help to flow evenly, then the rapid enhancement, guaranteed guards against ... each 100 grams, joins 0.1% DB-AT to stir separately evenly, the seal lays aside for 48 hours, the observation viscosity ...