ExxonMobil LL 6202.19 LLDPE Resin
ExxonMobil LL 6202.19 is a narrow molecular weight butane copolymer created by ExxonMobil, often used in automotive interior components and industrial products.
Physical Properties
- Density: Tested per ASTM D4883, the material’s density is 0.926 g/cc (0.0335 lb/in³), reflecting a slightly higher mass-to-volume ratio.
- ESCR 10% Igepal®: Under Condition B of ASTM D1693, the environmental stress crack resistance is 180 hours, indicating durability against chemical stress.
- Melt Flow: As specified in ASTM D1238, the melt flow rate is 12 g/10 min at 190 °C (374 °F) under a 2.16 kg (4.76 lb) load.
Polymer Properties:
- Base Material: Narrow molecular weight butane copolymer in the LLDPE category.
- Modification Features:
- Tailored for applications demanding high toughness to withstand heavy usage.
- Allows for easy processing with high tear resistance and low warpage for accurate manufacturing.
- Contains standard processing antioxidants for improved stability.
Applications:
- Housewares
- LL 6202.19: Widely used in the production of housewares such as storage containers, kitchen utensils, and other household items.
- Lids and Closures
- Ideal for manufacturing lids and closures for food packaging, cosmetics, and pharmaceuticals.
- Its high flow properties ensure precise molding of complex shapes, while its toughness and ESCR provide durability and resistance to cracking under stress or chemical exposure.
- Thin-Wall Articles
- LL 6202.19: Well-suited for thin-wall injection-molded articles, such as disposable cutlery, medical trays, and lightweight packaging components.
- Data Support: The resin’s flexural modulus (400 MPa) provides sufficient stiffness for thin-wall applications, while its impact strength ensures durability despite reduced material thickness.
- Compounding
- LL 6202.19: Used as a base resin in compounding applications to create custom polymer blends.
- Industrial Components
- Used in industrial applications, such as small molded parts for machinery or equipment, where a balance of toughness, stiffness, and processability is required.
Performance Advantages
- Processability: The high melt index (50 g/10 min) enables fast cycle times and efficient molding, reducing energy costs and increasing throughput.
- Durability: High ESCR and impact strength ensure long-term performance in demanding applications.
- Aesthetic Quality: Good gloss and clarity enhance the visual appeal of molded products, particularly for consumer goods like housewares and lids.
- Versatility: Suitable for a range of applications, from consumer products to industrial components, due to its balanced mechanical properties.