Green Stuff World's Bond Enforcing Dust. Hardening Dust for cyanoacrylate glues to increase filling and bond strength. Powder refined to a granulometry of 45-90 microns to maximize the hardening effect. Apply to the cyanoacrylate and allow to react for 5 min. Excess can then be sanded off and applied to solid surfaces. NOT soluble in water. Non-toxic. Close container tightly after use. Contents: 20gr