LLDPE Specification
Linear Low-Density Polyethylene (LLDPE) is a copolymer of ethylene and a small amount of advanced olefin in the presence of a catalyst. LLDPE is similar to LDPE in appearance, with poor transparency and good surface gloss. LLDPE has the advantages of low-temperature toughness, high modulus, bending resistance, and stress cracking resistance, and good impact strength at low temperatures.
Widely used in industry, agriculture, medicine, hygiene daily necessities, and other fields. Suitable for film, molding, tubing
, and wire and cable. A new application is as a mulch film for landfills and linings for waste pools.
| LLDPE film grade |
| Tests | Value | Unit |
| Melt Flow Rate (MFR) | 20+0.4 | g/10min |
| Density | 0.920 | Kg/cm3 |
| Tensile Strength Yield | 8 | Mpa ≥ |
| Tensile Strength Break | 12 | Mpa ≥ |
| Haze | 15 | % ≤ |
| LLDPE Powder Rotational Molding Grade for Tank Use |
| Tests | Value | Unit |
| Melt Flow Rate (MFR) | 3.2 | g/10min |
| Density | 0.939 | g/cm3 |
| Melting Point | 127 | ºC |
| Tensile Yield Strength | 21 | Mpa |
| Tensile Strength at Break | 28 | Mpa |
| Elongation at Break | 1100 | % |
| Flexural Modulus | 750 | Mpa |
| Brittle Temperature | <-60 | ºC |
Product Description
Linear Low-Density Polyethylene (LLDPE) is a type of polyethylene with distinct advantages that contribute to its widespread use across various applications. Here are some key features and advantages of LLDPE:
- Flexible and Tough: LLDPE combines flexibility with toughness, making it ideal for applications where both durability and pliability are important. This property is particularly beneficial in the production of films and packaging materials.
- High Impact Resistance: LLDPE exhibits excellent impact resistance, providing enhanced toughness compared to other types of polyethylene. This makes it suitable for applications that involve potential rough handling or impact.
- Chemical Resistance: LLDPE has good resistance to chemicals, making it suitable for applications where exposure to various substances is a concern. This property contributes to its use in containers and packaging for chemicals and other materials.
- Excellent Sealability: LLDPE has good heat-sealing properties, allowing for efficient and secure seals in packaging applications. This feature is advantageous in the production of bags, pouches, and other sealed containers.
- High Stretchability: LLDPE has a high degree of stretchability, making it suitable for applications such as stretch films and wraps. This stretchability enhances its ability to conform to different shapes and sizes.
- Low Production Costs: The manufacturing process for LLDPE is generally more cost-effective compared to other polyethylene types, contributing to its popularity in various industries.
- Resistance to Environmental Stress Cracking: LLDPE is less prone to environmental stress cracking compared to other polyethylene types. This resistance enhances its performance in outdoor applications.
- Versatility in Processing: LLDPE is versatile and can be processed using various methods, including extrusion and blow molding. This flexibility in processing contributes to its adaptability for different applications.
- Lightweight: Like other polyethylene types, LLDPE is lightweight, making it suitable for applications where weight reduction is important, such as in packaging materials.
- Recyclability: LLDPE is recyclable, contributing to environmental sustainability and resource conservation.
In summary, the combination of flexibility, toughness, impact resistance, and other advantageous properties makes LLDPE a versatile material suitable for a wide range of applications, including packaging, agriculture, and industrial uses.
Product Application
LLDPE (Linear Low-Density Polyethylene) is a special type of polyethylene with higher strength and impact resistance compared to LDPE (Low-Density Polyethylene). Here are some common applications of LLDPE:
- Packaging Materials: LLDPE is widely used in the manufacturing of various packaging materials such as plastic bags, films, and cling wrap. Its high strength and flexibility make it an ideal material for packaging and protecting goods.
- Plastic Films: Due to LLDPE’s high tensile strength and tear resistance, it is often used in the production of plastic films for packaging, covering, and protecting various products.
- Industrial Applications: LLDPE is employed in the industrial sector for manufacturing products like industrial bags, waterproof membranes, and industrial packaging films. Its durability and chemical stability make it suitable for various industrial applications.
- Agricultural Films: LLDPE is used in the production of agricultural films for covering crops to prevent soil moisture evaporation, suppress weed growth, and provide protection.
- Geotextile Materials: Due to its tear resistance and weather resistance, LLDPE is widely used in the manufacturing of geotextile materials for civil engineering projects, land improvement, and environmental protection.
- Garbage Bags and Bins: The strength and durability of LLDPE make it a common choice for manufacturing garbage bags and bins.
- Traffic Safety Products: LLDPE is utilized in the production of traffic safety products such as traffic cones, road signs, and barriers due to its impact resistance and weather durability.
- Plumbing Pipes: LLDPE, due to its chemical resistance, is also used in the manufacturing of water pipes and pipe systems. In summary, LLDPE, with its specific physical properties, finds applications in various fields including packaging, industrial manufacturing, agriculture, construction, and traffic safety.
Packaging & Shipping
FAQ
1. What are your payment terms?
For our first cooperate client, usually by TT 30% deposit, balance paid against BL copy, or full amount LC at sight. If you are our regular client, payment terms can be adjusted.
2. What is your delivery time?
It depends on order quantity, usually, we will arrange shipment within 3-20 days.
3. How about packing?
Usually, we provide packing as 25kg/bag or carton. Of course, if you have special requirements for packing, we will adjust according to you.
4. When can I get a reply?
Our sales manager will contact you within 24 hours.
5. How about the validity of products?
According to the products you order, it is usually 2 years.
6. What documents do you provide?
Usually, we provide a Commercial Invoice, Packing List, Bill of Loading, COA, Healthy Certificate Original Certificate, etc. If there are any special requirements in your market, please let us know.
7. Can I get a sample before order?
Yes, we can provide a free sample once the price is agreed upon, and you have to pay us the delivery fee in advance.
8. Where is your loading port?
Usually QINGDAO port.
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