It is used for mixing cement pastes, mortars and pozzolanas. The mixer consists of an epicyclic type stainless steel paddle imparting both planetary and revolving motion. Mixer have two speeds. Mixer blade has low speed of 140 + 5 rpm and medium speed of 285 + 10 rpm, while it also has a planetary movement of 62 + 5 rpm in low range and planetary movement of 125 + 10 rpm in medium range. Stainless steel bowl fitted with handle, fitted with lid made of non-absorbing material and not attacked by cement, masonry cement, cement pozzolana mixture or lime pozzolana mixture. The scraper consists of semi rigid rubber blade attached to a handle about 150 mm long. The blade about 75 mm long, 50 mm wide and tapered to a thin edge. Suitable for operation on 230 Volts, single phase. RELEVANT STANDARD : IS : 4031, IS : 1727