Calcium Formate ndi mchere wa calcium wa formic acid, wokhala ndi formula ya mankhwala Ca(HCOO)₂.
Putty wall wall ndi chinthu chofunikira kwambiri chomwe chimagwiritsidwa ntchito kwambiri pantchito zopenta padziko lonse lapansi.
Hydroxypropyl Methylcellulose (HPMC) ndi chowonjezera chomwe chimagwiritsidwa ntchito kwambiri mu mortars zopangidwa ndi simenti. Mortars amagwiritsidwa ntchito popanga zinthu zosiyanasiyana monga makoma omangira, pansi, ndi zinthu zina zomangira.