• Latex dipping has major two methods; (1) Straight Dipping and (2) Coagulant Dipping.

Dipping tanks for straight dipping

• Straight dipping dictates that the latex pick-up, and hence product thickness, is controlled by, amongst other things, withdrawal speed. On a continuous chain plant this means that the dipping tank must be long in order to give the correct withdrawal speed with an acceptable line speed. Agitation is essential in a latex dip tank for several reasons, including the homogenisation of temperature and composition, and preventing the latex skinning over. The ideal tank shape for effective agitation is circular: a long thin tank requires much more vigorous agitation in order to get effective circulation of the liquid.

Dipping tanks for coagulant dipping

• The dip tanks for coagulant dipping can be made much smaller than for straight dipping, as the latex pick-up is controlled mainly by the coagulant, so that the withdrawal speeds can be faster. These smaller tanks are much easier to agitate efficiently than the much longer ones, hence the problems of sedimentation, air entrainment, coagulum, skinning and temperature variations are easier to overcome.