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Akrosorb™ 29634 TNPP-HP (72)

Technical Datasheet | Supplied by Akrochem
Akrosorb™ 29634 by Akrochem is a dispersion of antioxidant TNPP-HP on amorphous silica. It is a non-discoloring, non-staining and non-tinting phosphite. Akrosorb™ 29634 issues high hydrolysis resistance in white and light-colored elastomeric compounds. It is used as a stabilizer in thermoplastics like ABS, HIPS, polycarbonate, polyolefins, polystyrene and PVC. Antioxidant TNPP-HP is used in combination with phenolic antioxidants or thioesters in light colored NR and synthetic elastomers. It even provides a chelating or sequestering effect on heavy metals preventing yellowing. For the rubber hydrocarbon, the normal dosages range from 0.50 to 2.0 parts on the rubber hydrocarbon, whereas in plastics 0.2%-1.00% loading is recommended. Apart from that, 0.2% antioxidant can be added to phenol antioxidant loading to attain best synergistic effect. This additive complies with FDA CFR 21 177.2600.
Product Type
Antioxidants > Phosphites
Chemical Composition
Dispersion of antioxidant trisnonyl phosphite absorbed on silica
Physical Form
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