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Polystyrene

Flycncpart delivers polystyrene machining, offering rigidity, clarity, and reliable performance for lightweight components.

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Polystyrene
EPS
Polystyrene in CNC Machining
Polystyrene (PS) is available in GPPS, HIPS, and EPS, offering versatility for different applications. flycncpart machines polystyrene into cost-effective, dimensionally stable parts that meet exact requirements.

From packaging to insulation to consumer products, flycncpart delivers reliable polystyrene solutions that balance affordability and precision.
Classification of Plastic Performance Parameters
Property GPPS HIPS EPS
Mechanical Properties Ultimate Tensile Strength 45-55 MPa 20-30 MPa 0.2-0.5 MPa
Yield Strength 40-50 MPa 15-25 MPa N/A
Hardness 90 Rockwell R 70 Rockwell R Very low
Elongation at Break 2-3% 30-60% N/A
Flexural Strength 70-90 MPa 40-60 MPa N/A
Modulus of Elasticity 3.0 GPa 2.0 GPa 0.02-0.05 GPa
Wear Resistance Poor Fair Poor
Machinability Good Good N/A
Physical Properties Density 1.05 g/cm³ 1.04 g/cm³ 0.02-0.06 g/cm³
Impact Strength Low (brittle) Moderate (tougher than GPPS) Very low
Moisture Absorption 0.1-0.2% 0.1-0.2% Negligible
Friction Coefficient 0.35-0.45 0.35-0.45 N/A
Thermal Properties Maximum Service Temperature 90-100°C 90-100°C 70°C
Thermal Expansion Coefficient 80-120 x10⁻⁶/°C 80-120 x10⁻⁶/°C N/A
Thermal Conductivity 0.18 W/(m·°C) 0.18 W/(m·°C) 0.03 W/(m·°C)
Electrical Properties Dielectric Strength Fair Fair Good
Electrical Resistivity 10¹⁶ Ω·cm 10¹⁶ Ω·cm N/A
Special Properties UV Resistance Poor Poor Poor
Creep Resistance Poor Moderate Poor
Recyclability Yes Yes Yes
Model

Why Polystyrene is Ideal for CNC Machining

What
Polystyrene (PS) is a versatile thermoplastic available in GPPS, HIPS, and EPS grades, used in both structural and lightweight applications.
 
 
Advantages
Lightweight and rigid (GPPS)
Good impact resistance (HIPS)
Thermal insulation properties (EPS)
Easy to machine and cost-effective
Excellent surface finish
Applications
Packaging and containers
Insulation panels
Consumer products
Disposable medical items
 

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  +86-13554857217
  +86-13554857217
  No.7 Lougang Avenue, Lougang Community, Songgang Street, Bao'an District, Shenzhen City

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