These answers summarize only the published scope for the family. When resin, equipment, or end use changes, the recommendation must be reviewed.
What is AD-304 UV Protector?
AD-304 is incorporated into resin to reduce UV-related degradation of the polymer. Its primary role is not to add color or guarantee shade stability.
Which resins can be evaluated?
Published information lists: High-density polyethylene (HDPE); Low-density polyethylene (LDPE); Linear low-density polyethylene (LLDPE); Polypropylene (PP); General-purpose and impact polystyrene; Rigid and flexible PVC compounds; Solid TPU; EVA; SAN. Final compatibility must be confirmed in the actual formulation.
Which processes are documented?
Injection molding; Extrusion; Blow molding; Thermoforming.
Which temperature reference should be used?
The product page does not publish one universal thermal window. Confirm the resin and process temperatures before trialing the additive.
What dosage or incorporation method is recommended?
The product page includes different references by resin. Confirm dosage for the project's material, wall thickness, and exposure conditions.
Which limits should be reviewed before production?
It does not replace weathering evaluation of the finished part. It should not be described as a color-protection additive. Compatibility and dosage must be confirmed through a process trial.
Official references
Check the live product page before quoting or repeating a trial. Current packaging and commercial information are maintained there.