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Help CenterBlown Film Grade HDPE LDPE LLDPE Polyethylene Pellets, Carbon Black Masterbatch for Film
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Su Qian Huanyu Plastic Products Co., Ltd, established in 2006, is a professional manufacturer with over 15 years of experience in the plastic raw materials industry. Our Blown Film Grade HDPE LDPE LLDPE Polyethylene Pellets combined with Carbon Black Masterbatch are specially formulated to deliver superior performance in blown film extrusion processes. These pellets offer excellent dispersion, high blackness, and UV resistance, making them ideal for agricultural films, packaging films, and industrial liners. Backed by our ISO9001 and HACCP certified production facility, we ensure consistent quality and cost-effective solutions for global buyers.
Our products are designed to meet the demanding requirements of film manufacturers. The polyethylene base (HDPE, LDPE, or LLDPE) can be customized according to the desired melt flow index and mechanical properties, while the carbon black masterbatch provides outstanding opacity and weather resistance. Below are the key features and technical specifications.
Product Features & Advantages
High Blackness & Dispersion – The carbon black is evenly distributed in the polyethylene matrix, ensuring uniform color and no streaks in the final film.
Excellent UV Protection – Carbon black masterbatch acts as a UV stabilizer, extending the service life of films used in outdoor applications.
Customizable MFI (Melt Flow Index) – Available in a range of 0.3–2.0 g/10 min (190°C/2.16kg) to suit different extrusion speeds and film thickness requirements.
Multi-Grade Compatibility – Works seamlessly with HDPE, LDPE, and LLDPE resins, allowing flexible formulation for specific film properties.
Good Mechanical Strength – Maintains tensile strength and tear resistance even after adding carbon black, meeting the demands of heavy-duty packaging.
Cost-Effective Solution – Combines two functions (coloring and UV stabilization) in one masterbatch, reducing inventory and processing steps.
Technical Specifications (Typical Values)
| Parameter | HDPE Grade | LDPE Grade | LLDPE Grade |
|---|---|---|---|
| Carbon Black Content | 40% – 50% | 40% – 50% | 40% – 50% |
| Melt Flow Index (190°C/2.16kg) | 0.5 – 1.5 g/10min | 0.3 – 1.0 g/10min | 0.8 – 2.0 g/10min |
| Density | 0.94 – 0.96 g/cm³ | 0.91 – 0.93 g/cm³ | 0.92 – 0.94 g/cm³ |
| Tensile Strength (MPa) | ≥ 25 | ≥ 18 | ≥ 22 |
| Elongation at Break (%) | ≥ 300 | ≥ 400 | ≥ 350 |
| Application | Agricultural film, geomembrane | General packaging, shrink film | Stretch film, heavy-duty bags |
Our products are manufactured in a 3,000-5,000 square meter factory located in Suqian, Jiangsu, China. With an annual export value of US$1.5 million – US$2.5 million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our team of 51-100 experienced workers ensures strict quality control at every step, from raw material selection to final packaging.
We offer flexible shipping options via Shanghai or Qingdao ports. For custom requirements such as specific MFI, carbon black concentration, or packaging, please contact our sales team. We can provide samples and technical datasheets upon request.
Frequently Asked Questions (FAQ)
What is the difference between HDPE, LDPE, and LLDPE grades for blown film?
HDPE provides higher stiffness and good barrier properties, LDPE offers better flexibility and processability, while LLDPE combines excellent strength with puncture resistance. You can choose the base resin according to your film's end-use requirements.Can I use this carbon black masterbatch with other polyethylene resins?
Yes, the masterbatch is compatible with all standard polyethylene types (HDPE, LDPE, LLDPE). However, we recommend testing a small batch to confirm performance with your specific resin.What is the typical let-down ratio for this masterbatch?
The recommended dosage is 2% – 5% by weight, depending on the desired blackness and UV protection level. For heavy-duty films, higher loading may be used.Does the product contain any heavy metals or restricted substances?
Our carbon black masterbatch is manufactured using high-purity carbon black and virgin polyethylene, complying with RoHS and REACH regulations. A certificate of analysis is available upon request.What packaging options are available?
Standard packaging is 25 kg woven bags with inner liner, or 1 ton bulk bags. Custom packaging (e.g., 500 kg bags, vacuum packs) can be arranged.How long is the delivery time?
For standard grades, delivery is within 7-15 days after order confirmation. Customized products may require 15-25 days depending on the complexity.Do you provide free samples?
We offer free samples (1-2 kg) for quality evaluation. The buyer pays for shipping. Please contact us to request samples.Can you supply pre-colored pellets (not masterbatch) for direct use?
Yes, we can produce fully compounded black polyethylene pellets with a specific base resin. This is a custom option; please specify your requirements.
With a strong track record since 2006, Su Qian Huanyu Plastic Products Co., Ltd. is your reliable partner for blown film raw materials. Our HACCP and ISO9001 certifications reflect our commitment to quality and food safety standards. We have exported to more than 10 countries and regions, earning trust through consistent product quality and responsive service. Contact us today to discuss your project or request a quotation. Let us help you achieve superior film performance with our high-quality polyethylene pellets and carbon black masterbatch.
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