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ExxonMobil POE 9371 is a low-density high-toughness polyolefin elastomer with a specific gravity of 0.872 g/cm³ and Shore A 71 hardness. It core features super low-temperature toughness, high elongation and excellent compatibility, with a melt flow rate of 4.5 g/10min, a glass transition temperature of -49.0 °C and an ultimate elongation of up to 800%.
Super low-temperature toughness: With a glass transition temperature of -49.0 °C, it maintains high flexibility in low-temperature environments; the curled structure of octene soft chains endows excellent toughness, an ultimate elongation of 800%, and good tear and impact resistance
Wide processing adaptability: A melt flow rate of 4.5 g/10min ensures good fluidity, easy to adapt to various processing conditions such as injection molding, extrusion, foaming and film blowing, with high molding efficiency
Aging & chemical resistance: No unsaturated double bonds in the molecular structure, providing excellent weather and thermal aging resistance; strong resistance to various chemicals, with stable performance under complex working conditions
Automotive Industry: Manufacture of interior parts, seals, bumpers, fenders, steering wheels, etc., improving the impact resistance, flexibility and comfort of components, and enhancing adaptability to low-temperature working conditions
Wire & Cable: Production of cable insulation layers and sheaths, meeting the high requirements of heat resistance, environmental aging resistance and electrical insulation in outdoor/complex environments, and improving cable durability
Construction Materials: Raw material for waterproof coatings and sealants, enhancing the flexibility, weather resistance and adhesion of materials, and extending the service life of building waterproof and sealing materials
| Product Information | |
| Product Name | ExxonMobil POE 9371 Polyolefin Elastomer |
| Physical Properties | |
| Specific Gravity | 0.872 g/cm³ |
| Melt Flow Rate (190°C/2.16kg) | 4.5 g/10min |
| Shore Hardness | A 71 |
| Glass Transition Temperature (Tg) | -49.0 °C |
| Mechanical Properties | |
| Flexural Modulus | 15.6 MPa |
| Tensile Strength | 3.9 MPa |
| Ultimate Elongation | 800 % |
| Performance & Applications | |
| Core Advantages | Low-temperature toughness, high elongation, good compatibility, lightweight |
| Compatible Polymers | PP, PE, EVA and other polyolefins |
Q1: What is the primary polymer matrix compatibility of ExxonMobil 9371?
A: ExxonMobil 9371 is specifically engineered for use in polypropylene (PP) homopolymer and copolymer systems, where it enhances impact resistance without significantly compromising stiffness or melt processability.
Q2: How does ExxonMobil 9371 affect processing behavior during extrusion or injection molding?
A: The modifier exhibits good thermal stability and dispersion characteristics, supporting consistent feeding and melt homogeneity. It typically requires no special drying and integrates smoothly into standard PP compounding and molding processes.
Q3: Can ExxonMobil 9371 be used in applications requiring regulatory compliance for food contact?
A: ExxonMobil 9371 is designed to meet general requirements for food-contact applications in polypropylene when used within recommended formulation guidelines and subject to final regulatory review by the end-user’s compliance team.
Q4: What is the typical dosage range for optimal impact performance?
A: Dosage depends on the base resin, desired balance of impact/stiffness, and end-use conditions; it is generally effective at low concentrations, typically ranging from 0.1% to 2% by weight of the total formulation.
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