Description

Benzene, Ethenyl-, Polymer With Ethene And 1-Propene CAS NO 25608-79-1 is a high-performance thermoplastic polymer, specifically a terpolymer of styrene, ethylene, and propylene. This material is engineered to deliver a superior balance of impact strength, processability, and chemical resistance, making it a versatile solution for demanding applications. It is primarily utilized by manufacturers in the automotive, appliance, and consumer goods industries seeking durable, lightweight, and cost-effective polymer components.

Application

• Automotive Interior & Exterior Parts: Used in dashboards, bumper fascias, interior trim, and under-the-hood components due to its impact resistance and dimensional stability.
• Appliance Housings: Ideal for casings of power tools, vacuum cleaners, and small household appliances where a good surface finish and toughness are required.
• Consumer Electronics: Employed in the manufacture of durable housings for electronic devices, offering good aesthetic qualities and structural integrity.
• Packaging Materials: Used in rigid packaging applications, including containers and lids, benefiting from its clarity and strength in certain grades.
• Toys and Leisure Products: A safe and robust material for children's toys, sporting goods, and outdoor furniture components.
• Industrial Components: Suitable for making gears, handles, and other mechanical parts that require a combination of stiffness and fatigue resistance.

Basic Information

Product Name	Benzene, Ethenyl-, Polymer With Ethene And 1-Propene
CAS No.	25608-79-1
Molecular Formula	(C8H8·C2H4·C3H6)x
Molecular Weight	Varies (Polymer)
Synonyms	SEP (Styrene-Ethylene-Propylene Terpolymer); Styrene/Ethylene/Propylene Copolymer; Poly(styrene-co-ethylene-co-propylene); EPS Terpolymer; Aromatic Modified Polyolefin; Styrenic Polyolefin Elastomer; Terpolymer of Styrene, Ethylene and Propylene
EINECS	Contact for details

Quality Control

Our polymer products are manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as melt flow index (MFI), impact strength, and thermal properties are rigorously tested. Certificates of Analysis (COA) detailing lot-specific specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. Pellets should be stored under dry conditions to prevent moisture absorption prior to processing.

Specification

Item	Specification
Appearance	White or off-white pellets
Melt Flow Rate (230°C/2.16 kg)	1 - 30 g/10 min
Tensile Strength at Yield	15 - 30 MPa
Elongation at Break	> 100 %
Izod Impact Strength (Notched, 23°C)	50 - No Break J/m
Vicat Softening Temperature	80 - 110 °C
Ash Content	< 0.1 %
Moisture Content	< 0.1 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.