Guides
How to choose and specify
Technical criteria for grade, dosage and process signals — without starting on lowest price.
- How to choose Zinc Stearate for your formulationTechnical criteria to specify zinc stearate in PVC, rubber and masterbatch: purity, particle size, dosage and process signals.
- How to avoid blooming in rigid and flexible PVCTechnical diagnosis of surface migration, lubricant selection and stabilizer tuning to reduce the white film on PVC profiles, pipes and compounds.
- How to specify carbon black for technical compoundsGrade, reinforcement, color and conductivity: what to ask when specifying carbon black for rubber, tires and masterbatch.
- Flow optimization in high-speed extrudersCase study: how the Plectus PE wax package cut 14% of the energy consumption on a technical hose line.
- PVC processing aid: fusion, surface and windowSlow fusion, rough surface and narrow window: how processing aids fit the diagnosis with stearate and wax.
- Low flow in PE/PP/PA: diagnosis and additivesIncomplete fill, high pressure and long cycle: how to read the symptom before specifying a flow modifier.
- TiO₂: opacity, UV and when to use an extenderHow to specify titanium dioxide without wasting cost: coverage, UV resistance and the role of carbonate/pigment as extender.