Junhua Fully In-House Developed JSJHTPI-02 Molding Powder
In industries such as aerospace, new energy, and semiconductor electronics, there exists a material known as the “guardian of extreme environments” — Thermoplastic Polyimide (TPI).
With its ultra-wide temperature resistance, outstanding mechanical strength, and excellent electrical insulation, TPI has become a key enabler for high-end product upgrades.
In a market long dominated by international giants, JSJHTPI-02 molding powder from Jiangsu Junhua Special Polymer Materials Co., Ltd. stands out. Backed by full-chain in-house technology—from raw material polymerization to customized sheet production—and precise performance control, it enables domestic TPI to leap from “usable” to “high-performance,” becoming a trusted choice in the industry.
Why TPI Is a Preferred High-Performance Material
TPI’s strong position in advanced manufacturing is no coincidence. Its molecular structure, featuring stable aromatic heterocyclic units, gives it superior properties far beyond conventional engineering plastics.
JSJHTPI-02 Molding Powder – Tested Performance Data (for Compression Molding)
| Test Item | Condition | Result | Standard |
|---|---|---|---|
| Tensile Strength | 23°C | 118.16 MPa | ISO 527 |
| Tensile Modulus | 23°C | 3135.18 MPa | ISO 527 |
| Elongation at Break | 23°C | 16.95% | ISO 527 |
| Flexural Strength | 23°C | 164.06 MPa | ISO 178 |
| Flexural Modulus | 23°C | 3013.61 MPa | ISO 178 |
| Impact Strength | Charpy, unnotched, 23°C | NB (No Break) | ISO 179 |
| Glass Transition Temperature | — | 268.48°C | DSC |
| Rockwell Hardness | 23°C | 125 HRR | ISO 2039.2 |
| Density | 23°C | 1.371 g/cm³ | — |
01 Exceptional Temperature Resistance
JSJHTPI-02 operates reliably across an extreme temperature range from -269°C to 250°C. Whether in ultra-low or high-temperature environments, it maintains structural integrity without brittleness or deformation.
02 Outstanding Mechanical Strength
With flexural strength up to 160 MPa, flexural modulus of 3.1 GPa, and Rockwell hardness of 122 HRR, JSJHTPI-02 offers excellent wear resistance and impact performance.
It also delivers tensile strength of 118 MPa and tensile modulus of 3.1 GPa, ensuring high toughness for demanding applications.
03 Superior Electrical Insulation
With a dielectric constant of 3.4 and a volume resistivity of 10¹⁶ Ω·cm (at 23°C), JSJHTPI-02 provides strong and reliable insulation for electronic systems.
04 Safe and Environmentally Reliable
JSJHTPI-02 features excellent self-extinguishing properties and low smoke emission. It remains stable with no volatile release under high temperature, high vacuum, and radiation conditions, meeting strict environmental and safety requirements.
These characteristics make JSJHTPI-02 molding powder an irreplaceable material in aerospace components, new energy systems, precision electronics, and specialized medical devices—directly defining the performance limits of end products.
From Performance to Full-Chain Control: Advantages You Can Trust
While many TPI products exist in the market, few brands can match international standards while maintaining full in-house control like Junhua. With years of expertise in specialty polymers, Junhua embeds its strengths into every performance detail.
01 Full-Chain Control Ensures Consistent Quality
As a professional manufacturer of high-performance plastics such as PEEK and PI, Junhua has completed R&D, pilot scaling, and mass production, ensuring stable performance, competitive pricing, and reliable supply.
Key advantages include:
- Core Technology In-House: Independent control of TPI polymerization ensures consistent molecular structure and batch stability
- Strict Quality Control System: Full-process inspection from raw material purity to mechanical and electrical performance
- Scalable Production Capacity: Dedicated PI workshop supports both large-volume orders and customized solutions, reducing delivery time by 20% compared to industry average
02 Proven Applications Across Multiple Industries
The true value of JSJHTPI-02 lies in real-world applications:
- Aerospace: High-temperature wire insulation and lightweight structural components; stable under extreme conditions with low outgassing
- New Energy: High-voltage motor insulation parts and battery sealing components; improves safety and lifespan
- Precision Electronics: Ideal for high-frequency and flexible electronics due to low loss and strong insulation
- Specialized Industry: Bearings and seals for high-temperature environments; wear-resistant and radiation-resistant, reducing maintenance costs
Choose Junhua for Reliable Material Solutions
Amid the trend of domestic substitution, JSJHTPI-02 not only breaks the price monopoly of international brands but also wins market trust through proven performance and service.
From precise material data to full-chain manufacturing and successful cross-industry applications, Junhua adheres to the core values of Integrity, Pragmatism, Cooperation, Innovation, and Win-Win, providing one-stop solutions from material selection to application development.
If your products face extreme challenges such as high temperature, ultra-low temperature, high voltage, or strong radiation, JSJHTPI-02 is a dependable PI material choice.
About Junhua
Founded in 2007, Junhua is a full-industry-chain company integrating PEEK resin polymerization, extrusion of rods/sheets/tubes, and finished part manufacturing.
The company is committed to providing global customers with high-performance polymer solutions, including PEEK and other advanced materials.