Back to Anti-yellowing additiveAnti-yellowing additive

A-4398

Anti-yellowing powder for recycled transparent plastics

A light-yellow or white powder documented for trials intended to reduce yellowing in recycled transparent plastic formulations.

A-4398 Light yellow or white powder
Light yellow or white powder
Recommended materialsRecycled transparent plastics
Starting dosage0.3-0.6% listed range
Form and packLight yellow or white powder
25 kg paper-poly pouch or carton
TDS-derived technical profile

Key values listed for A-4398

The following technical values are taken from the current TDS to support grade selection and initial formulation work.

PropertyListed value
Density0.92 g/cm³
pH6.78
Molecular weight810
Ash<0.05%
Moisture<0.5%
Melting point90-110°C
Selection direction

What this grade is positioned to support

  • Yellowing-control evaluation
  • Recycled transparent-plastic processing
  • Colour-retention screening
Trial workflow

How to prepare the first evaluation

  1. 01

    Pre-wet the resin with diffusion agent or white mineral oil.

  2. 02

    Add A-4398 and mix for 8-10 minutes.

  3. 03

    Dry the blend before extrusion, injection molding or blow molding.

Technical documentation

Current TDS and application guidance

Source file: a-4398-tds.pdf. Use a matched unmodified recycled-resin control. Measure colour change after the intended heat history and ageing cycle.

Request current TDS