Loads with a weight of up to 30 kg can be attached directly to the panels using expansion bolts or cavity fixings providing that they are at least 400mm apart.
The Data sheet says 32kg ???? so which is correct?
Yes but if you click that link you supplied its says "Loads with a weight of up to 30 kg can be attached directly to the panels using expansion bolts or cavity fixings providing that they are at least 400mm apart."