A black masterbatch is a specialized additive used in plastic manufacturing processes to provide a consistent and deep black color to plastic products. It is a concentrated form of carbon black pigment dispersed within a carrier resin.We produce all concentrations up to 50 % with glossy and shiny granules based on PE, PP, and PS.Our product range includes blacks that provide the following properties: High Dispersability, UV Protection, Food Contact Approvals, High Jetness, Blue Tone, Red Tone, High Loadings, Low Tint Performance And Conductivity.

Color Black
Carrier LDPE
Carbon Black 50%
Carbon Black Type SRF
Density 1.2 g/cm3
Heat Resistance 280 (@ 280 °C)
Food Contact Yes
Compatibility LDPE

Color Black
Carrier LDPE
Carbon Black 20%
Carbon Black Type ISAF
Density 1.45 g/cm3
Heat Resistance 280 (@ 280 °C)
Food Contact Yes
Compatibility LDPE

Color Black
Carrier LDPE
Carbon Black 35%
Carbon Black Type ISAF
Density 1.1 g/cm3
Heat Resistance 280 (@ 280 °C)
Food Contact Yes
Compatibility LDPE

Color Black
Carrier LDPE
Carbon Black 25%
Carbon Black Type ISAF
Density 1.43 g/cm3
Heat Resistance 280 (@ 280 °C)
Food Contact Yes
Compatibility LDPE

Black masterbatch is formulated using high-quality carbon black pigments that possess excellent color properties and opacity. Carbon black is commonly used due to its high tinting strength, UV stability, and resistance to fading.

The carrier resin used in the black masterbatch should be compatible with the base resin of the plastic product. Common carrier resins include polyethylene (PE), polypropylene (PP), polystyrene (PS), and others. Compatibility ensures proper dispersion of the pigment and avoids any compatibility issues with the base resin.

Effective dispersion of carbon black pigment within the carrier resin is crucial for achieving uniform color distribution and opacity. Techniques such as melt mixing, extrusion, or compounding are employed to ensure thorough dispersion and prevent agglomeration.

Black masterbatch is designed to provide excellent opacity and coverage, allowing it to achieve a deep black color that effectively masks the underlying color of the base resin. This is particularly important when manufacturing products that require a uniform and opaque black appearance.

he concentration of the black masterbatch may vary depending on the desired intensity of the black color in the final plastic product. The concentration is typically specified as a percentage, representing the weight ratio of the masterbatch to the base resin.

Black masterbatch should exhibit good heat stability to withstand the high temperatures encountered during plastic manufacturing processes, such as melt processing temperatures during extrusion or injection molding. Heat stability ensures that the black color remains consistent and does not degrade or fade during processing.

Black masterbatch should have good UV stability to resist fading or discoloration when exposed to sunlight or other sources of UV radiation. This is particularly important for applications where the plastic product will be exposed to outdoor or high-light environments.

Compatibility testing is performed to ensure that the black masterbatch does not negatively affect the mechanical, thermal, or processing properties of the base resin. It is important to evaluate any potential interactions or adverse effects that may arise when the masterbatch is added to the base resin.

Black masterbatch is widely used in various plastic manufacturing processes and finds applications in industries such as automotive, packaging, consumer goods, electronics, and more. It offers versatility in terms of compatibility with different base resins and processing techniques.

The information provided herein is based on our current knowledge and is intended to offer general guidance on products and their applications. It should not be construed as a guarantee of specific product properties or their suitability for a particular purpose. Due to the wide variability of conditions in product usage, which are beyond MKEY's control, users must independently assess whether MKEY products are suitable for their intended applications prior to use.

The quality of our products is warranted in accordance with our General Terms and Conditions of Sale, which are currently in effect or may be updated in the future. Technical information, test data, and advice provided by MKEY personnel are based on our best knowledge and reliable tests. However, it is assumed that recipients of such information possess the necessary expertise and technical skills to analyze test methods and conditions, as well as handle and utilize raw polymers and related compounding ingredients effectively.