The strongest bond on broken plastic can be formed a two-part epoxy. It is necessary to work quickly in applying the epoxy before it gets hard.
Step 1: Prepare the broken pieces
Clean the surfaces with a damp cloth before mixing the epoxy.
Step 2: Mix the epoxy
On a cardboard tray, use a putty knife to mix an equal part from each epoxy.
Step 3: Apply the epoxy
Use the putty knife to spread the epoxy into the crack between the broken pieces. Allow it to dry completely, up to a week, before using the item.Learn more about Solutions & Mixtures