HOMEPRODUCTSPSUQUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone

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  • QUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone
  • QUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone
  • QUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone
  • QUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone
  • QUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone
  • QUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone

QUADRANT® PSU unfilled | Heat Resistant PSU Polysulfone

QUADRANT® PSU unfilled is an unfilled psu polysulfone material offering excellent heat resistance, mechanical strength, and electrical insulation. Suitable as a PC alternative for medical devices, electronics, industrial parts, and high-temperature appliances.

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  • Product Struction

What is Udel® GF-120 NT

 

QUADRANT® PSU unfilled is an unfilled polysulfone (psu) material, renowned for its excellent mechanical, electrical and thermal properties. As an amorphous engineering plastic, it offers excellent dimensional accuracy and service life while maintaining transparency and stability, making it an ideal alternative to PC.

QUADRANT® PSU unfilled

 

01 | Material Highlights and Characteristics

 

Stable mechanical properties: Tensile strength reaches 88 MPa, bending strength is 120 MPa, and it combines rigidity and toughness.

Outstanding thermal performance: The heat distortion temperature can reach up to 170℃, and the glass transition temperature is 190℃, allowing for long-term use in high-temperature environments.

Chemical resistance and dimensional stability: Linear expansion coefficient 5.5E-5 cm/cm/℃, with a relatively low water absorption rate (0.3%), ensuring a stable structure.

Electrical insulation performance: Dielectric constant of 3, insulation strength of 30 KV/mm, volume resistance up to 1E14 Ω·cm, suitable for electrical and electronic component applications.

Flame retardancy and safety: Oxygen index 30%, meeting UL94 HB fire resistance rating, reliable safety in general electronic and industrial environments.

Autoclaving compatibility: Capable of withstanding steam and autoclaving, maintaining stable performance.

 

02 | QUADRANT® PSU unfilled Data Sheet

 

Mechanical behaviorConditionStandardValueUnit
ElongationYield 23°CISO 5275%
Elongation23℃ISO 52710%
Compressive StrengthISO 60425MPa
Compressive StrengthISO 60449MPa
Compressive StrengthISO 604101MPa
Flexural Strength23℃ASTM D790120MPa
Tensile StrengthYield 23°CISO 52788MPa
Tensile Modulus23℃ISO 5272850MPa
Friction CoefficientDynamic0.55
Charpy Un-notch Impact23℃ISO 179NBkJ/m²
Charpy Notch ImpactISO 1793.5kJ/m²
ThermalConditionStandardValueUnit
Heat Conductivity CoefficientDIN 526120.26W/(m·K)
HDTUnannealed 1.80MPaASTM D648170
Glass Transition TemperatureISO 11357190
CLEFlowISO 113595.5E-5cm/cm/℃
Physical propertyConditionStandardValueUnit
Water Absorption23℃ 50RH0.3%
Water AbsorptionSaturation0.8%
DensityISO 11831.24g/cm³
Electrical propertiesConditionStandardValueUnit
CTIIEC 60112150V
Dielectric ConstantIEC 602503
Volume ResistivityIEC 600931E14Ω.cm
Dielectric StrengthIEC 6024330KV/mm
Dissipation FactorIEC 602500.001
Surface ResistivityIEC 600931E13Ω
HardnessConditionStandardValueUnit
Rockwell HardnessM(Scale)ISO 203989
Ball Indentation HardnessISO 2039115MPa
Shore Hardness D80
FlammabilityConditionStandardValueUnit
Limiting Oxygen IndexISO 458930%
Flame RatingUL94HB

 

03 | Typical Application Fields

 

Medical Care and Laboratory

  ・Applications that can replace PCS, such as medical care devices, surgical auxiliary components, and laboratory containers.

  ・Supports autoclaving to meet the hygiene and durability requirements of medical scenarios.

Electronics and Electrical Engineering

  ・It is applied to insulating parts, coil bobbins, electrical enclosures, etc.

  ・It has excellent electrical performance, with a low dielectric constant and high insulation strength.

Industrial components

  ・Used in valves, pump components and fluid conveying systems.

  ・It still maintains mechanical strength and stability in high-temperature and corrosive environments.

The field of contact between household appliances and food

  ・Due to its high-temperature resistance and excellent mechanical properties, it can be applied to kitchen appliance components and food containers.

 

04 | Flexibility in processing and design

 

QUADRANT® PSU unfilled is suitable for injection molding processes and can produce complex and precise components. Its non-filled structure ensures good transparency and uniformity, and is widely used in structural components, appearance components and functional parts.

 

05 | Industry Trends and Values

 

Replacing traditional materials: Compared with PC and metal, psu polysulfone is more heat-resistant and lighter, meeting the modern lightweight design requirements.

Compliance and environmental protection: With the tightening of standards in the medical, food contact and electrical industries, materials that comply with RoHS and flame retardant regulations are increasingly favored.

Long service life and sustainability: It features creep resistance and low water absorption, which can extend the product's service life and reduce replacement and maintenance costs.

 

06 | Similar recommendations

 

ManufacturerProduct ModelSpecific GravityTensile StrengthElongationTensile ModulusHeat Distortion TempRockwell HardnessIzod Impact (Notched)Flexural ModulusCTE (cm/cm/℃)Flexural Strength
QUADRANTLSG PSU1.24 g/cm³88 MPa10%2850 MPa170 ℃895.5E-5 cm/cm/℃120 MPa
QUADRANTLSG
WestlakeUnfilled (THERMALUX)1.24 g/cm³70.3 MPa5.50%2480 MPa181 ℃6969 J/m2690 MPa5.6E-5 cm/cm/℃106 MPa
WestlakeFilm (THERMALUX)1.24 g/cm³73.1 MPa110%2480 MPa174 ℃2690 MPa
SHINILPSU-CNT1.38 g/cm³96.1 MPa185 ℃58.8 J/m11201 MPa156.96 MPa

PSU Polysulfone

07 | FAQ Frequently Asked Questions

 

Q1: Is QUADRANT® PSU unfilled suitable for long-term high-temperature use?
Yes, its heat distortion temperature can reach 170℃, maintaining good performance in high-temperature environments.

Q2: What are the advantages compared with PC?
A2: psu polysulfone is more resistant to high temperatures and hydrolysis, and performs better in terms of electrical properties and chemical stability.

Q3: Can it be applied to electrical insulation components?
A3: Perfectly suitable. It has a low dielectric constant and a high volume resistance, meeting the insulation requirements.

plastic purchasing

 

08 | Why Choose Juyuan?

 

As an international plastic raw material supplier with 24 years of experience, Juyuan offers customers:

Multi-channel supply guarantee: Long-term stable supply of QUADRANT® PSU unfilled and other engineering plastic pellets.

Professional material selection support: Recommend suitable grades based on application requirements to reduce procurement trial-and-error costs.

Global delivery capability: Flexible response, covering multiple markets.

Value-added services: Provide industry cases and market trend references to assist customers in optimizing material selection and application design.

Choosing Juyuan is not only about purchasing psu polysulfone raw materials, but also about obtaining a reliable partner.

psu suppliers

 

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