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Multipurpose Grade Black Masterbatch 61 UV Stabilized for PVC Pipe & Film

The Black Masterbatch 61 is a high-performance, multipurpose colorant solution engineered for versatility across the plastic extrusion and molding spectrum. While standard masterbatches often focus solely on color, Model 61 is a functional additive package. It combines 32% High-Blackness Carbon Black with a proprietary blend of compound antioxidants, UV absorbers, and light stabilizers.

This advanced formulation makes Model 61 the industry benchmark for outdoor durability. It is specifically designed to extend the service life of PVC, PE, and PP pipes by up to 15+ years, effectively neutralizing the degradation caused by ultraviolet radiation and thermal stress. Furthermore, its specialized recycled PE carrier ensures excellent compatibility for blown film applications, delivering a high-gloss, defect-free finish.

Black Masterbatch 61 used for pvc pipe. This product uses  carbon black with high blackness and brightness, as well as a compound antioxidant, UV absorber, and light stabilizer, to extend the product's service life. Our customers also use it for film blowing and blow moding.
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Technical Expertise: Engineered for Longevity

Why choose Model 61? The secret lies in its synergistic stabilization system.

1. Advanced UV & Thermal Protection

Plastic products, particularly pipes and agricultural films, are prone to "photo-oxidative degradation" when exposed to sunlight. Model 61 addresses this with a dual-action mechanism:


  • Physical Blocking: The high-concentration carbon black acts as a superior UV screen, absorbing harmful radiation before it penetrates the polymer matrix.


  • Chemical Scavenging: The added antioxidants and light stabilizers neutralize free radicals generated during heat processing and environmental exposure. This prevents the polymer chains from scission (breaking), ensuring the pipe retains its mechanical toughness and pressure resistance over decades.

2. Wide Processing Window (180°C – 300°C)

Unlike lower-grade masterbatches that degrade or smoke at high temperatures, Model 61 utilizes a thermally stable carrier system. It remains stable up to 300°C, making it compatible with high-speed extrusion lines and ensuring no color streaks, volatile emissions, or "foxing" (discoloration) during processing.


3. Rheological Optimization for Films

For film blowing, dispersion is critical. Model 61 features a low-viscosity melt profile that ensures the carbon black disperses evenly without agglomeration. This eliminates "fish eyes" (small bumps) and pinholes in thin films, ensuring consistent opacity and tear strength even in multilayer co-extrusion.


Key Performance Advantages

  • Ultra-High Coloring Strength: With 32% active carbon content, you achieve deep jet-black hues with a low addition rate of 1%–3%, significantly reducing your raw material costs.

  • 15+ Year Service Life: The antioxidant package protects the physical properties of the end product, slowing down aging and embrittlement.

  • Seamless Integration: The recycled PE carrier is specially treated to be compatible with PVC, PE, and PP matrices, ensuring superior dispersion without affecting the host resin's flow.

  • Eco-Safety: Fully compliant with REACH and RoHS standards. It is non-toxic, lead-free, and safe for use in regulated industries.


Technical Specifications

Parameter Specification
Place of Origin: Guangdong, China
Appearance: Small black particles of uniform size
Brand Name: YHM
Model Number: 61
Product Grade: Multipurpose / UV Stabilized
Product Name: Black masterbatch for pipe
Carbon Black content: 32% (High Jetness)
Carrier Resin: Recycled PE
Filler(CaCO3): 24%
Additives: Antioxidants, UV Absorbers, Light Stabilizers
Granules size: 2-3mm Uniform Pellets
Processing Temp: 180°C – 300°C
Addition Rate: 1% – 4% (Depending on application)
Application: pipe, multilayer, bottle blowing, etc.
Packaging: 25kgs/bag
Specification according to your requirement
Certificate: ISO9001, RoHS, SGS, REACH etc.


Application Scenarios

Model 61 is a true "Multipurpose" workhorse, validated for use in the following sectors:

1. Infrastructure & Piping (PVC, PE, PP)

  • Water Supply & Drain Pipes: The non-toxic formula meets safety standards for water transport.

  • Corrugated & Irrigation Pipes: The added UV stabilizers prevent the pipes from becoming brittle and cracking under the sun in agricultural settings.

  • Cable Conduits: Provides excellent electrical insulation properties and weather resistance for outdoor wiring.

2. Blown Film & Packaging

  • Multilayer Films: Ideal for the middle or outer layers of co-extruded films where cost-efficiency and opacity are required.

  • Industrial Packaging: Garbage bags, stretch films, and heavy-duty liners. The masterbatch ensures a jet-black color with high hiding power at low dosages.

3. Blow Molding

  • Containers: Used for manufacturing chemical drums, detergent bottles, and hollow containers requiring a smooth, glossy surface and structural integrity.


  1. For blown flim, it can be used in garbage bags, multilayer film, stretch film, etc..

  2. For blow modling,  it is suitable for bottle blowing,etc.

  3. For pipe, it is used in water supply pipes, drain pipes, PE, PP, and PVC pipes.


Processing & Operation Guide

To maximize the performance of Model 61, please follow these operational guidelines:

  1. Mixing:

    • The masterbatch should be tumble-mixed with the base resin for 5-10 minutes to ensure homogeneity.

    • Proportion: Start with 1% for films and 2%-4% for pipes, depending on the wall thickness and required UV resistance.

  2. Extrusion Settings:

    • The melt flow is optimized for standard screws. No special screen pack changes are usually necessary.

    • Ensure the hopper is clean before switching from other colors to prevent contamination.

  3. Compatibility Note:

    • While the carrier is PE-based, it is compatible with PVC for pipe applications due to the low addition rate and carrier modification. However, for highly specialized soft PVC applications, please consult our technical team first.


Quality Assurance

At YHM Masterbatches, quality is verifiable. Model 61 undergoes strict quality control protocols:

  • Carbon Black Dispersion Test: ensuring no aggregates >5 microns.

  • Ash Content Analysis: verifying the precise 24% filler ratio.

  • Aging Simulation: Accelerated weathering tests to validate the UV protection claims.

Extend the life of your products today.Contact us for a Technical Data Sheet (TDS) or request a free sample to test the dispersion and blackness in your facility.

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About Us

It is a leading manufactory currently focuses on two ranges of products comprising black masterbatches & desiccant masterbatches.
Our masterbatches widely used in the application field of food packaging products, molding, tubing, sheet applications and so on.

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 No.88, Yougjun Road, Changlong Village, Huangjiang Town, Dongguan City.
 +86-769-82332313
 +86-17806637329

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