Anderson Development Company

Plasticizer Guide

Plasticizers for for Plasticizers for Polyether Systems: Systems Polyether or Polyester Systems Andurflex DOP Dibutyl (DBP) • DEHP, dioctyl • FDA approvable for Andurflex 9-88 SG phthalate, di-2- wet or dry food • Dipropylene glycol ethylhexyl phthalate contact dibenzoate • Does a good job of • Equivalent to lowering viscosity Benzoflex® 9-88 SG without lowering the General Comments: • Can be added in hardness very high amounts • FDA approvable for If preblending the • Good for lowering wet or dry food and the prepolymer, try to use durometer for very contact in a short time frame, unless soft parts

%NCO stability has been • General rule of

proven. thumb: Add 5pph + Andurflex DOA 2pph per durometer • Dioctyl If a plasticizer is used that unit drop • isn’t compatible with the Does a good job of • For large drops in prepolymer, bleeding of the lowering viscosity hardness add 2pph elastomer is likely to occur. without lowering the per durometer unit

hardness; less drop desired In general, phthalate-based health and safety issues then DOP materials are not being used Santicizer 160 • as much due to REACH FDA approvable for • Butyl benzyl regulations in Europe. wet or dry food phthalate contact • Similar to Andurflex

9-88 SG, but doesn’t

decrease durometer

Andurflex materials quite as effectively

available from ADC

The information contained in this bulletin we believe to be accurate, but no warranty is given nor is anything to be construed as a recommendation to infringe upon any existing patent. Since conditions of use are beyond our control, all risks of use are assumed by the user.