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Black Masterbatch 62-H for Injection Molding & Plastic Sheets

The Injection Molding Black Masterbatch 62-H is a premium-grade colorant solution designed specifically for manufacturers seeking a balance between high-performance aesthetics and cost-efficiency. Engineered with a proprietary blend of 35% High-Color Carbon Black and a specialized polyethylene (PE) wax additive, this masterbatch addresses the common challenges of agglomeration and uneven dispersion often found in standard black masterbatches.

Ideal for injection molding and sheet extrusion, the 62-H model guarantees a smooth, glossy finish with deep jet-black opacity. It is formulated to be non-toxic and smokeless during processing, ensuring a safer production environment while delivering a final product that meets rigorous industrial standards.

A small amount of polyethylene wax was added into the masterbatch to strengthen the wetting and penetration of carbon black aggregates, reduce the particle size through shear force, and improve the compatibility between the system and carbon black, which is conducive to dispersion. When a small amount of wax is added to the system, its beneficial effect of dispersion is greater than that of hindering dispersion, and the dispersion effect is better.
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The Science Behind the Formulation

What sets the 62-H Black Masterbatch apart is its advanced rheological formulation. Standard masterbatches often struggle with "spots" or "patterns" caused by poor carbon black breakdown.

To solve this, our technical team incorporates a precise ratio of low-molecular-weight Polyethylene Wax. This additive performs three critical functions:

  1. Enhanced Wetting: It lowers the surface tension between the carrier resin and the carbon black aggregates, allowing for immediate wetting during the melt phase.

  2. Shear Force Optimization: The wax acts as a lubricant that facilitates particle size reduction under shear force, breaking down aggregates into micro-particles.

  3. System Compatibility: It acts as a coupling bridge between the inorganic filler (CaCO3) and the organic polymer matrix, significantly improving impact toughness and reducing brittleness.

The result is a masterbatch that offers beneficial dispersion effects that far outweigh any potential hindering, ensuring a consistent, streak-free black color even in complex injection molds.

Key Performance Benefits

Non-toxic and smokeless, the surface of the product is smooth and glossy, the color is stable, the toughness is good, there will be no spots and patterns and other phenomena, which reduces the cost, saves additives, and reduces the pollution of the factory.

  • Superior Surface Finish: Produces end-products with a high-gloss, smooth surface free from flow marks, pinholes, or cloudiness.

  • Cost & Efficiency Optimization: With a high filler content of 45% CaCO3 combined with high-pigment carbon black, the 62-H allows for lower dosage rates (2%–4%) without compromising opacity. This directly reduces material costs and additive consumption.

  • Operational Safety: The formulation is designed to be smokeless and odorless at standard processing temperatures, protecting factory personnel and reducing ventilation overhead.

  • Mechanical Integrity: Unlike low-quality masterbatches that degrade the plastic's physical properties, the 62-H maintains good toughness and structural integrity in the final part.


Technical Specifications

Parameter Specification
Place of Origin: Guangdong, China
Granules: black small particle
Brand Name: YHM
Model Number: 62-H
Product Name: Black masterbatch with stable quality used for injection molding and sheet
Carbon black content: 35% (High Opacity)
Virgin carrier: PE/HDPE/PP
Filler(CaCO3): 45%
Appearance Uniform Black Granules (Small Particle)

Validity period:

1 Year (Store in cool, dry conditions)
Addition rate: 2%-4% (Depending on product wall thickness)
Melt Flow Index (MFI) Optimized for Injection & Extrusion
Sample: 2kgs for free
Packaging: 25kg Moisture-Proof Bags
Spectification according to your requirement
Certifications: ISO9001, RoHS, SGS etc.


Application Scenarios

The 62-H Black Masterbatch is engineered for versatility, specifically targeting the construction, automotive, and consumer goods sectors. Its robust thermal stability makes it suitable for:

1. Construction & Architectural Materials

It used in the construction industry to make walls, ceilings or floors. Like aluminum plate middle layer, disposable flower pots, badges, PVC sheets, architectural decoration boards, insulating curtains, optical devices, lampshades, leather, sheets, panels,etc

  • Composite Panels: Ideal for the core layer of Aluminum Composite Panels (ACP) where consistent black color and flatness are required.

  • Decoration Boards: Used in PVC sheets, architectural decoration boards, and laminate flooring layers.

  • Insulation: Perfect for manufacturing insulating curtains and protective barriers.

2. Injection Molded Parts

  • Horticulture: Durable, UV-stable disposable flower pots and planter boxes.

  • Industrial Components: Badges, casings, and non-critical structural parts.

  • Optical & Lighting: Internal components for optical devices and lampshades where light blocking is essential.

3. Consumer Goods

  • Synthetic leather backing, plastic sheets, and general-purpose utility panels.


Processing Guide for Injection Molding

The masterbatch with PE resin as the main raw material is processed by mixing, extrusion, sizing, cutting and flaring, adding appropriate additives.

To achieve the optimal dispersion and finish, we recommend the following processing parameters. The 62-H is designed for easy integration into existing production lines without requiring special equipment modification.

  • Mixing: Ensure the masterbatch is mechanically mixed with the base resin (PE/PP) for at least 5-10 minutes to ensure uniform distribution before entering the hopper.

  • Temperature Profile: The masterbatch is stable up to standard polyolefin processing temperatures. Avoid excessive overheating to prevent degradation of the carrier wax.

  • Dosage: Start with a 2% addition rate. For products requiring absolute light blocking or deeper jetness, increase incrementally up to 4%.


Quality Assurance & Trust

At YHM Masterbatches, we understand that consistency is the currency of manufacturing. Every batch of 62-H undergoes rigorous quality control testing, including:

  • Melt Flow Index (MFI) Testing to ensure consistent flow.

  • Dispersion Testing (Film Press Test) to verify zero agglomeration.

  • Color Difference Control (Delta E) to ensure lot-to-lot consistency.

Our products are fully compliant with ISO9001 quality management systems and meet international environmental standards including RoHS and SGS, ensuring your products remain competitive in global markets.


Free Sample Policy: We are confident in our quality. Contact us today to request a 2kg free sample for trial 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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