Plastic Processing & Additives Knowledge Hub
Practical explanations of common production defects, how to start diagnosis and test the right additive before ordering, organized by topic.
Film problems
Why bubbles and white spots appear in plastic film — moisture or processing?
A practical look at the causes of bubbles and white spots in film, and how to start diagnosis before making big changes.
Why film layers block after winding — and when Anti-Block helps
When Anti-Block helps, how winding and thickness relate to the problem, and the difference from Slip.
Appearance and color
Why white plastic yellows — optical brightener vs white masterbatch
Common reasons for yellowing, the difference between brightening and white coverage, and how to start diagnosis.
How to choose white masterbatch by coverage and cost
Choosing white by coverage, appearance, and practical cost instead of random overuse.
Why black doesn't give the opacity you need — grade, dispersion, material
Reasons for weak opacity, how to choose the right grade, and economical vs deep-black.
Recycled materials
Sun exposure
Why sunlight affects plastic — and what determines UV stabilizer choice
How sunlight shows in color, surface, and flexibility, and what drives UV stabilizer selection.
UV protection vs UV stabilization — what it means for your factory
Common terms and what they mean practically for factories, and why there is no single choice for all products.
Test a sample on your material. Then decide.
Tell us the problem and application so we can suggest a product to trial.