Frequently Asked Questions
Runpeicolor firmly believes that the long-term success of enterprises in the plastic industry is inextricably linked to the health of the global ecosystem and the well-being of human society. Therefore, sustainable development is not an independent corporate social responsibility initiative but a core principle guiding all our business decisions and a driving force behind innovation.
We welcome like-minded partners, strategic clients, and investors to join us in forming a powerful “Sustainability Alliance.”.
1. Which plastic manufacturing processes are compatible with color masterbatches?
- Injection Moulding
- Blow Moulding
- Sheet Extrusion
- Pipe Extrusion
- Profile Extrusion
- Blown Film Extrusion
- Cast Film
- Roto Moulding
- Injection Blow Moulding
- Calendering
2. What are the key raw materials used to formulate Runpacet's masterbatches?
• Pigments/Dyes
• Carbon Black
• Titanium Dioxide (TiO₂)
• Plastic Resins
• Dispersants/Lubricants
• Calcium Carbonate
• Talc
• Erucic Acid/Oleamide
• UV Absorbers
• UV Heat Stabilizers
• Barrier Agents
• Flame Retardants
• Antistatic Agents
• Anti-fog Agents
• Processing Aids
• Antimicrobial Agents
3. What are the key innovations behind Runpacet's advanced masterbatch technologies？
Runpacet’s leadership is built on a foundation of advanced, proprietary technologies designed to deliver superior performance, consistency, and innovation. Our core competencies include:
- Superior Durability: We engineer masterbatches with high weatherability and migration resistance, leveraging our deep expertise in high-performance pigments and additives to ensure long-lasting color and function.
- Nanoscale Dispersion: Our technology achieves particle stabilization at the nanoscale (<100 nm), guaranteeing exceptional color strength, uniformity, and processing stability.
- In-situ Polymer Encapsulation: This proprietary technique enhances pigment-polymer compatibility, resulting in brilliant color development and improved mechanical properties in the final product.
- Special Effects & Sensory Solutions: We provide a wide array of visual and tactile effects, including pearlescent, metallic, color-shift, and custom gloss levels to make your products stand out.
- AI-Powered Color Matching: Our intelligent system utilizes a massive spectral library and machine learning to deliver precise, cost-effective color formulas with unmatched speed and accuracy.
- Closed-Loop Process Control: Online spectrophotometry and real-time monitoring ensure every batch meets stringent specifications for color, quality, and consistency.
- Commitment to Sustainability: Our green manufacturing initiatives focus on reducing VOCs, promoting liquid masterbatch solutions, and utilizing solar energy to minimize our environmental footprint.
4. How does Runpacet's testing process guarantee batch-to-batch consistency and performance?
Runpacet implements a rigorous, multi-stage quality control process to ensure every batch of masterbatch meets the highest standards for color accuracy, performance, and consistency. Our comprehensive testing protocol includes:
- Incoming Material Inspection: All raw materials (pigments, dyes, additives, carrier resins) are compared against standard references. We perform small-batch trials to evaluate color strength, heat stability, and migration resistance. Advanced instrumentation like ICP and XRF is used to detect heavy metals and other hazardous substances.
- In-Process Production Checks: Our experienced technicians verify the uniformity of the mixture. Key extrusion parameters—including temperature profiles, screw speed, feed rate, and vacuum pressure—are strictly monitored and recorded to ensure processing stability and product quality.
- Finished Product Sampling: Samples are taken every two hours for evaluation. These are injection-molded into plaques and measured with a spectrophotometer against standard samples. We enforce a strict color difference tolerance of ΔE < 0.3 and conduct filtration pressure tests to guarantee exceptional color consistency and dispersion.
- Processability & Physical Property Testing: The Melt Flow Index (MFI) is measured to ensure optimal processing flow and compatibility. Additionally, sample plaques are subjected to elevated temperatures to assess the thermal stability and colorfastness of the masterbatch, determining its performance limits.
5. What is the liquid color masterbatch solution and what are its benefits over solid masterbatch?
Liquid Color Concentrates, also referred to as liquid masterbatch, are homogeneous, flowable pigment dispersions where colorants are finely ground and stabilized in a liquid carrier. This advanced solution provides several key benefits over traditional solid masterbatch:
- Superior Polymer Compatibility: The liquid carrier system offers broader compatibility across various polymer bases, overcoming limitations associated with solid resin carriers.
- Enhanced Color Performance: Achieves exceptional dispersion quality, eliminating speckles (“fish-eyes”) and flow lines for more uniform, vibrant coloration and higher gloss finish.
- Increased Processing Efficiency: Excellent flow properties facilitate easier handling, more accurate dosing, and reduced cleaning downtime in production.
- Improved Sustainability: Significantly lowers VOC emissions by removing the need for melting solid carriers during the coloring process, supporting greener manufacturing initiatives.
6. What are pre-dispersed pigments?
Pre-dispersed pigments represent the pinnacle of advanced coloration technology. Through precision grinding and nano-scale milling, we transform standard pigments into ultra-fine, micron-sized particles. But the true innovation lies in what happens next: specialized dispersing agents anchor to each pigment particle, creating a protective shield that prevents re-agglomeration. The result? A brilliantly stable, high-concentration dispersion that delivers unparalleled color performance and reliability. This is how we bring life and longevity to colorants.
7. What are the key pillars of RUNPACET's quality assurance system to ensure consistent reliability?
At RUNPACET, quality is engineered into every step of our process. We begin with a rigorous selection of raw material suppliers, who must pass a multi-stage qualification process. Our production takes place in controlled cleanroom environments, where precise monitoring of key parameters guarantees outstanding batch-to-batch consistency. This commitment is backed by international certifications including ISO 9001 and ISO 14001, along with specific compliance for food-contact applications. Beyond delivering a product, we provide expert technical support—offering practical solutions for production challenges—because our goal is to ensure your success, every step of the way.
8. What types of functional masterbatches does Runpacet specialize in?
- Slip Masterbatches
- Anti-block Masterbatches
- Polymer Processing Aid Masterbatches
- Anti-static Masterbatches
- UV Stabiliser Masterbatches including Green House Film Masterbatches
- Nucleating & Clarifying Agent Masterbatches
- Anti-Warp Masterbatches
- Chemical Foaming Agent Masterbatches (Exothermic & Endothermic)
- Anti-sink Masterbatches for Sink mark removal
- Antimicrobial Masterbatches
- Foam Nucleators for Expanded Polystyrene and Expanded Polyethylene
- Anti-fogging Masterbatches
- Heat stabilizers
- Flame Retardant packages
- Stiffening Agents
- Anti-oxidants
- Optical brighteners
- Anti-Counterfeiting
- Chain Extenders
- Solar Heat Reflection
- Infrared Masterbatches