Koala PS 47 32 Masterbatch

Features Of Koala PS 47 32 Masterbatch

1. Highly concentrated pigment dispersion for consistent coloration in polystyrene (PS) and ABS substrates.

2. Excellent thermal stability up to 240°C, ensuring minimal degradation during extrusion and injection molding.

3. Low dust formulation with optimized carrier resin compatibility for clean handling and reduced machine fouling.

4. Reproducible batch-to-batch color accuracy certified against standard D65 illuminant and CIELAB ΔE ≤ 0.8.

5. Free of heavy metals and compliant with EU RoHS 2011/65/EU and REACH SVHC requirements.

Typical Applications Of Koala PS 47 32 Masterbatch

1. Injection-molded consumer electronics housings (e.g., TV bezels, printer casings).

2. Extruded PS-based food packaging trays and disposable containers.

3. Thermoformed PS sheets for point-of-purchase displays and retail signage.

4. Automotive interior trim components requiring high-gloss surface finish and UV resistance.

5. Medical device enclosures where color consistency and regulatory compliance are critical.

Specifications Of Koala PS 47 32 Masterbatch

Koala PS 47 32 Masterbatch – Frequently Asked Questions (FAQ)

Q1: What is the primary function of Koala PS 47 32 Masterbatch in polystyrene-based applications?

A: Koala PS 47 32 Masterbatch is a specialized additive masterbatch designed to enhance processability and surface performance of general-purpose and high-impact polystyrene (PS) during extrusion and injection molding. It helps reduce melt viscosity, improve dispersion of functional additives, and supports consistent part ejection and finish.

Q2: Is this masterbatch compatible with other thermoplastic resins beyond polystyrene?

A: While optimized for polystyrene systems—including GPPS, HIPS, and some PS copolymers—Koala PS 47 32 may show limited compatibility with styrenic block copolymers (e.g., SEBS) under controlled conditions. Compatibility with non-styrenic resins such as PP, PE, or PET is not recommended without prior testing, as phase separation or compromised mechanical properties may occur.

Q3: How should Koala PS 47 32 Masterbatch be incorporated into the production process?

A: It is typically introduced via gravimetric or volumetric dosing directly into the hopper upstream of the extruder or injection molding machine. Pre-blending with base resin is not required, but ensuring uniform mixing at low shear prior to melting is recommended for optimal dispersion. Drying is generally unnecessary unless ambient humidity is exceptionally high.

Q4: What is the typical dosage range for effective performance?

A: Dosage depends on formulation requirements and processing conditions, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight relative to the base polymer. Optimal loading should be determined through application-specific trials to balance performance enhancement with cost efficiency and final part properties.

Q5: Does Koala PS 47 32 Masterbatch affect the thermal stability or color of finished PS parts?

A: When processed within standard PS temperature ranges and residence times, Koala PS 47 32 exhibits good thermal stability and does not induce yellowing or discoloration. It is formulated to minimize degradation-related volatiles and maintains clarity in transparent PS grades while supporting consistent color development when used alongside pigments or effect additives.