Sinopec PP Resin Grades

Sinopec PP resin is a series of polypropylene (PP) plastic raw materials produced by China Petroleum & Chemical Corporation (hereinafter referred to as Sinopec). As one of the largest polypropylene manufacturers in China, Sinopec leverages its advanced proprietary technologies, large-scale production capacity, and well-established supply network to build a comprehensive polypropylene product portfolio covering general-purpose materials, specialty grades, and high-end customized solutions.

Polypropylene is a semi-crystalline thermoplastic resin characterized by low density, excellent mechanical strength, superior chemical resistance, outstanding fatigue resistance, and easy processability. Thanks to these advantages, Sinopec polypropylene materials are widely applied in packaging, injection molding, fiber and nonwoven production, film extrusion, home appliances, automotive components, and many other industrial sectors.

Main Categories of Sinopec PP Resin

China Petroleum & Chemical Corporation classifies its polypropylene (PP) products into several major categories based on polymerization method and application direction. Each category includes multiple grades designed to meet different processing technologies and end-use requirements.

Homopolymer Polypropylene (PP-H). Homopolymer PP features high crystallinity and excellent rigidity. It offers outstanding mechanical strength and dimensional stability, making it suitable for injection molding, extrusion, fiber production, and general-purpose applications.
Random Copolymer Polypropylene (PP-R). Random copolymer PP provides improved impact performance and higher transparency compared to homopolymer grades. It is ideal for thin-wall products, transparent containers, medical applications, and pipe systems requiring enhanced clarity and toughness.
Block Copolymer Polypropylene (PP-B). Block copolymer PP combines high impact strength with good stiffness. It delivers superior low-temperature resistance and durability, making it particularly suitable for automotive components, home appliance housings, and other high-performance engineering applications.

Sinopec PP Grades

Product Category	PP Grade	Polymer Type	Processing Method	Performance Features	Typical Applications
General Injection Grade	PPH-T03	Homopolymer (PP-H)	Injection, Extrusion	High rigidity, versatile performance	Household goods, containers, appliance parts
General Injection Grade	HP500N	Homopolymer	Injection Molding	Good flowability, balanced stiffness	Storage boxes, daily-use products
Thin-Wall Injection Grade	H9018	Homopolymer	High-speed Injection	High flow rate, short cycle time	Food containers, disposable lunch boxes
High-Performance Injection	M30RH	Homopolymer	Injection	Balanced stiffness and toughness	Appliance components, industrial parts
High-Rigidity Injection	K9927 / K9928H	Homopolymer	Injection	High strength, impact resistance	Large molded parts
Raffia Grade	T30S	Homopolymer	Extrusion, Drawing	High tensile strength	Woven bags, FIBCs, ropes
Expandable Grade	E08EB	Homopolymer	Foaming	Lightweight, expandable structure	Protective packaging, cushioning materials
Fiber Grade	Y26	Homopolymer	Spinning	Stable spinning performance	Nonwoven fabrics, staple fibers
High-Speed Fiber Grade	Y2600T	Homopolymer	High-speed Spinning	High strength, fine denier capability	Medical nonwoven fabrics
High Flow Fiber Grade	Y35	Homopolymer	Spunbond Process	Excellent flowability	Hygiene products
Melt-blown Grade	Y40	Homopolymer	Melt-blown Process	Ultra-high flow rate	Filtration media, melt-blown fabrics
Film Grade	C5608M	Homopolymer	Cast Film (CPP)	High transparency, good heat sealing	Food packaging film
Film Grade	F800E	Homopolymer	Film Extrusion	High gloss, stable processing	Flexible packaging
Random Copolymer	RP2400	Random Copolymer (PP-R)	Extrusion	Good clarity, pressure resistance	Pipe systems
Random Copolymer	RP340R	Random Copolymer	Injection, Extrusion	High transparency, impact resistance	Medical containers, transparent products
Impact Copolymer	PPB-MA26-G	Block Copolymer (PP-B)	Injection	Excellent impact strength	Automotive components
	MG100	Block Copolymer	Injection	Superior low-temperature impact	Appliance housings
	MG70	Block Copolymer	Injection	Balanced stiffness and toughness	Industrial parts
	MG30	Block Copolymer	Injection	Good overall mechanical properties	Automotive parts
Food Contact Grade	H800	Homopolymer	Injection	Food safety compliance	Food packaging

Overview of Performance Characteristics of Sinopec PP Resin

Different series of Sinopec PP grades share common performance characteristics based on their chemical structure and intended applications:

Low Density with Distinct Lightweight Advantage. With a density of approximately 0.90–0.91 g/cm³, polypropylene is one of the lightest commodity plastics. Its low specific gravity supports lightweight product design and material efficiency, particularly in packaging and automotive applications.
Excellent Thermoplasticity and Processability. Sinopec PP polypropylene resins are well-suited for a wide range of processing technologies, including injection molding, extrusion, film production, fiber spinning, and stretching processes. Their stable melt flow performance ensures efficient processing and consistent product quality.
Outstanding Mechanical Properties. These materials offer high stiffness, strong tensile strength, and excellent fatigue resistance, making them ideal for precision structural components and long-term durable applications.
Strong Chemical Resistance. Sinopec polypropylene demonstrates stable performance when exposed to acids, alkalis, and many common chemical agents, making it an ideal material for packaging, industrial components, and household products.

Application-Oriented Grade Recommendations

Application Sector	Recommended Grades
Woven Bags	T30S
Food Containers	H9018, HP500N
Nonwoven Fabrics	Y26, Y35, Y40
Home Appliances	M30RH, MG100
Automotive Parts	PPB-MA26-G, MG70
Packaging Films	C5608M, F800E
Pipe Systems	RP2400
Foam Materials	E08EB