No need, some of the old school soft plastic figures need it, and resin often does (Though when casting resin I never used a mould release.), never washed metals either.
A guy on the old Military Modelling forum always wiped down with lighter fluid before priming, easier to get than IPA as newsagents normally have it.
A guy on the old Military Modelling forum always wiped down with lighter fluid before priming, easier to get than IPA as newsagents normally have it.
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