Under number 177.1430 of Food Additive Regulation of Food and Drug Administration – USA has ruled that all Polybutenes PIB grades have been qualified as components of articles intended for use in contact with food in the following applications:

1.        As a release agent in petroleum wax complying with 178.3710.
2.        As a plasticizer in polyethylene complying with 177.1520 and in
            polystyrene complying with 177.1640.
3.        As a component of non-food articles complying with:

           178.3740 - to plasticize polyethylene (PIB 6 can also be used).
           175.300 - in resinous and polymeric coatings.
           176.210 - in defoaming agents used in the manufacture of paper and
                            paperboard.
           175.105 - as a component of adhesives
           176.170 - in paper and paperboard components
           178.3910 - as a surface lubricant in the manufacture of metalics articles
                          ( PIB 6 can also be used) ;
           177.2260 (d)(2) - in resin-bonded fibers;
           178.3570 - in lubricant components ( provided that addition to food
                            does not exceed 10 ppm);
           176.180 - in paper and paperboard.
           175.125 - as a component of pressure sensitive adhesives.