Here's a short clip on how to properly use Tamiya Extra Thin Cement to glue styrene plastic parts.

With the correct method, a perfect join can be achieved that does not require putty or filler, thus saving a lot of time and effort.

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This second part shows how I clean up the glued part that has been left to dry overnight.

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Related notes :

• Styrene cement is a chemical that 'dissolves' styrene plastic.
• The chemical reaction causes both parts to meld together, like welded metal.

• Take advantage of the extra melted plastic to fill any gaps in the join.

• Extra thin cement flows like water. Thicker cement contains binder to help hold parts before they cure.

• Alignment is critical for perfect joins, especially for fuselage.

• Shim if necessary to get perfect alignment. Cut off location pins if they don't help.

• Glue in short sections

• Hold parts in alignment, then apply 1-2 inches of cement to the gap

• Extra thin cement flows via capilliary action

• Wait a few seconds, then squeeze to make the softened plastic ooze between the join.

• Double-check alignment.

• Leave aside to dry for at least 2 hours, preferably overnight.
  Sanding too early will mess up the alignment.

• Give priority to the more visible joins.

• Once dry, shave off or sand off excess plastic

• Take care not to remove too much

• Preserve the rounded contours of the original part

• Work up the grit scale to remove previous sanding marks

• Finish up with buffing

Tip : Fold the sandpaper for more stiffness

Tip : Make sanding stick by taping sandpaper to wooden clothes peg