3M Mastic tepi 2166 ndi katswiri wa simenti yosalowa madzi, imagwirizana bwino komanso kukonza chisindikizo, imatha kukhala yodziwa zinthu zosiyanasiyana zokhudzana ndi dera.Zinthu zofewa, zowoneka bwino ndizoyeneranso kudzaza malo osakhazikika, pomwe kukana kwake kukakamizidwa kwayesedwa ndipo kumagwirabe ntchito paminus 18 degrees.Khalidwe lake lalikulu ndi ntchito yake yabwino madzi kusindikiza ntchito, angagwiritsidwe ntchito mitundu yonse ya magetsi, zipangizo zoyankhulirana madzi ndi chinyezi-umboni, komanso angagwiritsidwe ntchito pa mlengalenga kutchinjiriza waya kopanira madzi ndi chinyezi-umboni, kuwonjezera, ntchito chingwe chapansi pamadzi ndi gawo lofunikira la 2166 litha kukhala loyenera.Zingwe zapansi pamadzi zokulungidwa pawiri zophatikizidwa ndi J20 zimatha kupirira kuthamanga kwambiri kwa madzi ndi kutsekereza, molingana ndi malire a Directive (EU) 2015/863, monga asinthidwa mu Annex II ya EU RoHS Directive 2011/65/EU.