What is Radel® R-5100

In high-end manufacturing, material selection directly determines product performance and compliance. Whether manufacturing aerospace components, surgical devices, food-grade containers, or electronic insulation, buyers are seeking high-performance plastics that combine flame retardancy, high-temperature resistance, chemical resistance, and biocompatibility.

Solvay Radel® R-5100 Series PPSU is a star product that meets these demands. With a UL94 V-0 / 5VA flame retardancy rating, sustained heat resistance up to 180°C, and comprehensive sterilization resistance, it is the material of choice for leading global companies.

Radel® R-5100

1. Radel® R-5100 Series Overview

The Radel® R-5100 series is a high-performance flame-retardant grade of polyphenylsulfone (PPSU) from Solvay. It offers the following common advantages:

・Excellent flame retardancy: UL94 V-0 / 5VA, meeting aerospace and medical safety standards.

・High heat resistance: RTI electrical performance reaches up to 180°C, and heat deflection temperature is 207–214°C.

・Chemical and sterilization resistance: Withstands acid and alkaline environments, autoclave, gamma radiation, ethylene oxide, and electron beam sterilization.

・Biocompatibility: Meets medical contact requirements and is suitable for long-term use in medical devices.

・Excellent mechanical properties: High toughness, stress crack resistance, and high impact strength.

・Versatile molding processes: Supports injection molding, extrusion, blow molding, thermoforming, and CNC machining.

This makes the Radel® R-5100 series an ideal material for applications in aerospace, medical devices, food service, plumbing fittings, and high-end electronics.

2. Comparison of Features of Each Model

แบบอย่าง	สี	Flame Retardant Rating	ข้อดีหลัก	Recommended Applications
R-5100 VT2582	Violet	V-0 / 5VA	Comprehensive flame-retardant rating, RTI electrical/structural up to 180 °C, ideal for high-safety-demand scenarios	Aerospace, surgical medical devices, connectors
R-5100 RD1018	Red	V-0 / 5VA	Same performance as violet grade, suitable for medical/industrial parts requiring color distinction	Medical care products, food service utensils
R-5100 GY1137	Gray	V-1 → V-0	Outstanding mechanical properties: tensile strength 69.6 MPa, flexural modulus 2410 MPa, impact strength 690 J/m	Aerospace components, load-bearing structural parts
R-5100 BN1164	Brown	V-0 / 5VA	Highest mechanical strength: compressive strength 98.9 MPa, shear strength 62.7 MPa, NB-level impact toughness	High-strength connectors, surgical instruments
R-5100 OR1145	Orange	V-1 → V-0	High thermal stability, refractive index 1.67, excellent electrical insulation (volume resistivity 9E15 Ω·cm)	Electrical insulation parts, medical visualization components
R-5100 GY874	Gray	V-1 → V-0	Similar to OR1145 but with more balanced mechanical/electrical performance, suitable for multipurpose use	Avionics, food-grade containers
R-5100 YL1337	สีเหลือง	V-1 → V-0	Well-rounded performance with a bright color for easy safety identification	Medical consumables, food processing utensils

3. Application Recommendations

Aerospace & Aircraft Components

-Recommended Models: VT2582, GY1137, BN1164
-Recommendations: High flame retardancy + high mechanical strength + high temperature resistance

Medical Devices & Surgical Supplies

-Recommended Models: VT2582, RD1018, BN1164, YL1337
-Recommendations: Resistance to multiple sterilization methods and excellent biocompatibility

Food Service & Drinking Water Contact Parts

-Recommended Models: RD1018, OR1145, YL1337
-Recommendations: Safety, repeated high-temperature sterilization, and color differentiation

Electronic and Electrical Insulation

-Recommended Models: OR1145, GY874
-Recommendations: High resistivity and excellent insulation properties

4. Frequently Asked Questions

Q1: How is Radel® R-5100 different from other PPSU grades?

A1: The R-5100 series offers superior flame retardancy and heat resistance, meeting UL94 V-0/5VA standards. It also has multiple medical-grade sterilization certifications, making it suitable for demanding applications in aviation and healthcare.

Q2: Why are there different colors within the same series? Does color affect performance?

A2: Color is primarily used for application identification and product differentiation (e.g., medical devices used in different departments). There are no significant differences in flame retardancy or heat resistance, but some models prioritize mechanical strength.

Q3: What sterilization methods can these materials withstand?

A3: The R-5100 series can withstand autoclave, ethylene oxide, gamma ray, electron beam, and chemical sterilization, with repeated cycles showing no significant degradation in performance.

Q4: If I want to manufacture aviation parts or medical devices, which product is most suitable?

A4:
-For aerospace applications, we recommend VT2582, GY1137, and BN1164 (high flame retardancy + high strength).

-Recommended materials for medical devices include VT2582, RD1018, and YL1337 (resistant to multiple sterilization processes and color-coded).

Q5: As a trader, what support can you provide?

A5: Our company offers a full range of Radel® R-5100 raw materials and supports small-batch sampling, bulk supply, and technical selection guidance, making the procurement process more efficient and worry-free.

plastic purchasing

5. Conclusion

The Solvay Radel® R-5100 series combines flame retardancy, high-temperature resistance, and medical-grade safety, making it the preferred PPSU for high-reliability applications.
As a professional plastic raw material trader, our company offers buyers a full range of Radel® R-5100 products, helping you quickly find the optimal model and reduce the cost of trial and error in material selection.

👉 Contact us for detailed data and sample quotes on the Radel® R-5100 series.

ppsu manufacturer