PP Random Copolymer | Transparent Polypropylene Resin

Analysis Item Quality Specification Test Result Test Method
Black Particles / (pcs/kg) 0 0 SH/T 1541.1
Colored Particles (incl. black specks) / (pcs/kg) Not greater than 10 0 SH/T 1541.1
Large Particles / (g/kg) Measured 0 SH/T 1541.1
Small Particles / (g/kg) Measured 0.1 SH/T 1541.1
Melt Flow Rate (230°C/2.16 kg), g/10min 20–30 27.57 GB/T 3682.1
Tensile Yield Stress / MPa Measured 26.3 GB/T 1040.2
Flexural Modulus / MPa Measured 980 GB/T 9341
Charpy Notched Impact Strength (-20°C) / (kJ/m²) Measured 1.5 GB/T 1043.1
Charpy Notched Impact Strength (23°C) / (kJ/m²) Measured 5.3 GB/T 1043.1
Haze / % Not greater than 15% 10.5 GB/T 2410


RP340R is a highly transparent random copolymer polypropylene (PP) material. Due to its combination of high transparency, good toughness, and high flowability, it is primarily used in injection-molded products where high transparency and appearance are required.

Its specific applications are very broad. According to information from multiple suppliers and manufacturers, it mainly focuses on the following areas:

Application Areas & Specific Product Examples:
* Medical & Healthcare: Sterile syringes, test tubes, medicine bottles, infusion bottle caps, etc.
* Food Packaging: Milk tea cups, transparent lunch boxes, ice cream/yogurt cups, food storage containers, etc.
* Daily Necessities & Cosmetics: Home storage boxes, cosmetic packaging bottles, shampoo and other daily chemical product packaging.
* Others: Stationery boxes, CD/DVD packaging boxes, bottle caps, etc.

Core Characteristics Analysis:
RP340R's ability to perform these applications is mainly due to its several key characteristics:

High Transparency and High Gloss: This is its most core feature. Through the use of specific transparent agents and processes, its transparency approaches that of glass, and its high surface gloss makes the products aesthetically pleasing and shelf-ready. Academic research has also confirmed that it is a random copolymer polypropylene with a low ethylene content, and its crystalline morphology and structure give it a foundation for high transparency.

High flowability (MFR≈25g/10min): High flowability means that it can quickly fill the mold during injection molding, which can shorten the production cycle by about 20%, resulting in high production efficiency and making it ideal for large-scale, rapid production.

Excellent impact resistance: While maintaining high transparency, its impact resistance can reach 50 times that of ordinary glass, making it lighter, safer, and less prone to breakage than glass.

Low exudation and low odor migration: This is especially important in the medical and food packaging fields. Its low exudation will not affect the taste and safety of the contents, meeting stringent standards for medical and food contact materials.