PP Masterbatch

PP Masterbatch is a plastic masterbatch that uses polypropylene as its carrier resin, uniformly dispersing high-concentration pigments and additives within the polypropylene matrix. During plastic product manufacturing, simply adding an appropriate amount of PP color masterbatch can alter the color, functionality, or processing properties of the plastic product, significantly boosting production efficiency and enhancing the functionality of the plastic items.

  • Color: Transparent, black, white, red, blue, green, yellow, or custom colors.
  • Applications: Injection molding, blow molding, fiber spinning, extrusion molding, and other processes.
  • Applications: Injection molding, blow molding, fiber spinning, extrusion molding, etc.
  • Package: 25KG/BAG, 26 tons per 20ft container
  • Leadtime: 7 days after order confirmed
  • Payment Terms: T/T,, L/C
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PP Masterbatch Characteristics

Polypropylene (PP) is one of the most widely used thermoplastics globally, making it the optimal choice for plastic carriers:

  • Lightweight: Ideal for manufacturing products with weight constraints, such as disposable plastic tableware and thin-walled injection-molded items.
  • Chemical Resistance: Suitable for producing chemical containers, pipelines, and similar applications.
  • Excellent Mechanical Properties: Well-suited for manufacturing products subjected to pressure and weight, such as industrial plastic pallets and plastic furniture frames.
  • Thermal Stability: Maintains performance integrity under elevated temperatures, making it suitable for products requiring high-heat processing like microwave-safe tableware.
  • Food Safety: Specific grades meet FDA standards, making it the most popular choice for food packaging.

Advantages

  • Superior Dispersibility: Pigments or additives disperse uniformly within the polypropylene carrier resin, ensuring consistent coloration and stable functional properties in plastic products.
  • Excellent Stability: The carrier resin isolates pigments and additives from external environments, effectively preventing degradation caused by moisture, oxygen, light exposure, and other factors, thereby extending shelf life.
  • Streamlined Production Process: During plastic manufacturing, simply add PP color masterbatch in the required proportion. This simplifies production steps, enhances efficiency, and reduces quality issues.
  • Precise Measurement and Color Matching: PP masterbatch exists in granular form, enabling accurate and convenient dosing with easy control over addition rates. For color requirements, professional color matching systems ensure precise formulation, guaranteeing consistent product hues and minimizing quality defects in mass production.
  • Precise metering and color matching: PP masterbatch pellets offer accurate and convenient metering, facilitating precise control over addition rates. Professional color matching systems enable exact color formulation, ensuring consistent product hues across every production run. This meets the demands of large-scale manufacturing and stringent requirements for color stability.

PP Masterbatch Application in Plastic Processes

Injection Molding

During injection molding, PP masterbatch and polypropylene raw material are added to the injection molding machine’s hopper at a predetermined ratio. As the screw rotates, the material is heated and melted within the barrel while thoroughly mixed. It is then injected at high speed through the machine’s nozzle into the mold cavity, where it cools and solidifies to form the plastic product.

Typically, the barrel temperature settings are recommended as follows: front section 200–240°C, middle section 210–250°C, rear section 180–220°C. Specific temperatures require fine-tuning based on the characteristics of the actual PP raw material and PP Masterbatch used.

Injection Molding in Plastic
Injection Molding in Plastic

Blow Molding

For blow molding, Masterbatch PP is thoroughly blended with polypropylene resin. The mixture is extruded into a tubular parison via an extruder. The parison is then placed into a blow mold, where compressed air is introduced to expand it and conform to the mold cavity. Upon cooling, this forms hollow plastic products such as bottles or containers.
During blow molding, the extruder temperature can be controlled between 180–230°C, while the blow mold temperature is maintained at 20–50°C.

Extrusion Molding

When producing plastic pipes, sheets, and similar products via extrusion molding, Masterbatch PP is thoroughly mixed with polypropylene raw material in the hopper. After melting and plasticizing in the extruder, the material is extruded through a specific die to form the desired shape.
For example, in pipe production:

  • Feed section: 180–200°C
  • Compression section: 200–220°C
  • Homogenization section: 220–240°C
  • Die temperature: 210–230°C

For sheet production, temperatures may be adjusted based on sheet thickness and PP raw material properties.

Extrusion Molding in Plastic

Specifications

Test ItemSpecification Data
AppearanceUniform color,no impurity
ColorBlack,White,Red,Green,Blue,Yellow (Pan tone,RAL card)
Particle Size2.0×3.0
CarrierPE,PP,ABS etc
Moisture (%)≦0.1
Heat Resistance (℃)160-350
Transference Resistance4-5 grade
Light Resistance4-8 grade
Custom Masterbatch

Custom pP Masterbatches

  • Beyond color, we specialize in creating functional Masterbatch PP to upgrade your products:
  • White Masterbatch: High-titanium-dioxide content for maximum opacity and whiteness.
  • Black Masterbatch: Carbon-black based for deep blacks and UV protection.
  • Additive Masterbatch: Concentrated with additives like UV stabilizers, antifogging, flame retardants, or antioxidants.
  • Filler Masterbatch: Contains mineral fillers (e.g., Calcium Carbonate) to reduce cost and improve stiffness.

Application

“PP Masterbatch in Different Industries.”

– used in film, extrusion, injection molding, foaming

Packaging industry

Films: Food packaging film, shrink film, stretch film
Plastic Bags: Shopping bags, garbage bags, shipping bags
Rigid Packaging Containers: Bottle caps, buckets, boxes

Building Materials Industry

Pipes: Water supply/drainage pipes, cable sheathing pipes
Sheets: Decorative panels, wall panels
Injection-molded parts: Fittings, fasteners, valve components

Home Appliances & Daily Goods Industry

Appliance housings: TV, washing machine, refrigerator components
Household goods: storage bins, chairs, tables
Toys & stationery: building blocks, pen casings

Medical & Agricultural Industry

Medical consumables: syringe shells, packaging bottles
Agricultural products: seedling trays, agricultural film, woven bags

PP Masterbatch Applications Show

PP color masterbatch is widely used in films, pipes, sheets, injection-molded parts, automotive components, appliance housings, and daily necessities. It meets diverse color requirements while enhancing the appearance and performance of finished products.

FAQS

Q1: Does PP color masterbatch affect the mechanical properties of plastic products?

A1: No. High-quality PP color masterbatch uses specialized carrier resins with excellent compatibility to PP base materials, ensuring no impact on product strength, toughness, or durability.

Q3: What applications are PP color masterbatches suitable for?

A3: They are widely used in packaging films, injection-molded parts, pipes, automotive components, appliance housings, medical consumables, and agricultural products. Custom solutions are available for specialized industries and functional requirements.

Q2: Can I customize colors based on my requirements?

A2: Yes. We offer color customization and complimentary color matching services, enabling rapid development of desired shades based on samples or international color charts (e.g., PANTONE, RAL).

Q4: What processing conditions should be considered when using PP color masterbatch?

A4: We recommend controlling temperature and mixing ratios appropriately based on equipment type. Generally, it can be directly blended with PP raw material without additional steps.

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Free Color Matching Service

Huashuo is a professional masterbatch factory and supplier with advanced pilot mixing production lines and comprehensive testing laboratories to support formula development and mass production needs. We combine spectrophotometry technology with professional visual assessment to establish a standardized color matching process, providing customers with efficient and stable customized color solutions. Please contact our technical team for exclusive color matching support and sample services.

Provide us with a reference for your desired color—either a physical sample or a selection from our existing color portfolio.
Accepted reference formats include:

  • Masterbatch concentrate
  • Finished product sample
  • Paper swatch
  • Paint sample
  • Pantone® color code
  • Film sample
  • Other material references

Once your sample is received, we perform spectrophotometric analysis to establish an initial formulation for the target color.

Pigment selection is guided by the specific application criteria you provide. To ensure optimal formulation, please share the following details about your finished product:

  • Intended application
  • Base resin type
  • FDA compliance requirements, if applicable
  • Expected service life under sunlight exposure
  • Manufacturing process and typical processing temperatures
  • Part thickness
  • Let-down ratio
  • Acceptable color tolerance range
  • Need for spectrophotometric readings and Delta E tolerance specifications

An initial trial batch is produced and evaluated against the reference sample using both visual inspection and spectrophotometric measurements.

Upon finalizing the color match, we supply the following:

  • Color chip samples
  • Safety Data Sheet (SDS)
  • FDA compliance certificate, if applicable
  • 5–10 lb product sample, upon request