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Technical production process
Raw material mixing: PEI(polyetherimide) resin and glass fiber (30% content) are blended and granulated by a twin-screw extruder.
Injection molding: barrel temperature 320-350°C, mold temperature 140-160°C, drying conditions (120°C/2h).
Extrusion molding: screw temperature segmented control (feeding section 280°C, compression section 300°C, metering section 330°C).
Modification technology: glass fiber reinforcement (improved rigidity), carbon fiber reinforcement (conductivity), flame retardant grade (UL94 V-0).
Core Advantages
1. Extremely high temperature resistance: continuous use temperature reaches 200℃ (short-term resistance to 260℃), glass transition temperature (Tg) ≥217℃.
2. Ultra-high rigidity: glass fiber reinforcement (GF10%-50% optional) significantly improves tensile strength (≥135 MPa) and bending modulus (≥35 GPa).
3. Lightweight: density 1.35-1.6 g/cm³, 40% lighter than aluminum alloy, suitable for replacing metal to reduce weight.
4. Chemical corrosion resistance: resistant to strong acids (concentrated sulfuric acid, nitric acid), strong alkalis, solvents and fuels, suitable for chemical and automobile exhaust systems.
5. Dimensional stability: low water absorption (<0.1%), no warping and deformation after long-term use, suitable for precision processing.
Why choose fiberglass Polyetherimide Sheet (know as ultem 2300 sheet)?
Replacing metal and ceramics: lightweight + high strength, reducing equipment energy consumption and transportation costs.
Adaptation to extreme environments: high temperature + oil + aging resistance, suitable for engine peripherals and aerospace high-temperature parts.
Long-term reliability: anti-creep, low friction coefficient, reduced maintenance frequency, and extended service life.
Industry coverage
Automobile: turbocharger housing, sensor, brake system components (high temperature + oil resistant).
Electronic and electrical: 5G base station insulators, circuit breaker housings, LED heat sinks (high insulation + arc resistance).
Aerospace: lightweight high temperature resistant structural parts (replacing titanium alloy).
Medical: sterilization resistant equipment housing.
PEI GF Chemical corrosion resistance
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