https://www.ruicoglobal.com/product/polymer/nbr/nbr-latex-china.html

Mix nitrilelatex RF-9619, sulfur, accelerator, zinc oxide, anti-aging agent, dye, and titanium dioxide to cure at 60 degrees for 24 hours;
Put in the hand mold, and then immerse in calcium nitrate; repeat the process of “put in the hand mold, immerse in calcium nitrate” until the hand mold reaches the required thickness;
Dry at 140 degrees for 20-30 minutes;