my frind have rp plate of brass but dosent change in color of rice after testing but changes its color when tested rice is diped in water and tested rice not becoming powder. time of holding rice is 3 sec. and pullin from 1 inch.

its tchnical specifaction

metal - brass

mass - 2.5 kg

rice pulling time - instant less ten one sec

color of rice after instant test - no color change

please tell me is that usefull for any one.