This chart shows the features and benefits of Lab-metal in comparison to other repair products.

Feature / Specification	Lab-metal	2-part epoxies designed for cosmetic repairs	2-part polyester auto body putties	1-part nitrocellulose-based (pigmented gray)
Metal content	>50% aluminium powder	Typically >50% aluminium powder	None	None
Finish	Sands to a smooth, shiny aluminium surface	Sands to a smooth surface	Off-white	Gray
May be powder-coated over	Yes	Unknown	No	No
May be milled, drilled, tapped	Yes	Yes	Yes (but weaker)	Not well
Useable after container is opened	Yes (add Lab-solvent to opened can to prevent hardening)	Only if parts A & B are not mixed together	Only if parts A & B are not mixed together	Reportedly hardens in tube once opened
Air-dries	Yes	No, requires catalyst	No, requires catalyst	Yes
Mix-ratio measurement required	Pre-mixed; no mixing or measuring required	Precise mix ratios required	Precise mix ratios required	No
Typically "pops out" of dents filled	Will not pop out under normal circumstances	Will not pop out under normal circumstances	Often pops out	Often pops out