Nylon relleno de vidrio frente a nylon sin relleno: Comparación completa de prestaciones

Glass-filled vs unfilled nylon
Glass fiber reinforcement transforms nylon’s mechanical properties

Adding glass fibers to nylon dramatically changes its performance characteristics. While unfilled nylon offers excellent toughness and processability, glass-filled grades deliver substantially higher strength, stiffness, and thermal stability.

What Is Glass-Filled Nylon?

Glass-filled nylon is a composite material consisting of nylon resin reinforced with short glass fibers. The most common grades contain 15%, 25%, 30%, or 50% glass fiber by weight.

Mechanical Properties Comparison

PropiedadPA6 UnfilledPA6 GF15PA6 GF30PA6 GF50
Resistencia a la tracción (MPa)75120170210
Módulo de flexión (GPa)2.75.58.514.0
HDT at 1.8 MPa (°C)65180195210
Mechanical properties chart
Glass fiber content directly correlates with strength and stiffness improvements

Estabilidad dimensional

Glass fibers reduce the material’s coefficient of linear thermal expansion (CLTE) by 50-70%, bringing it closer to metals like aluminum.

Shrinkage comparison
Glass-filled nylon shows significantly lower and more uniform shrinkage

Consideraciones sobre el tratamiento

Glass-filled nylon requires: higher melt temperatures, higher injection pressures, hardened molds due to abrasive wear, and careful gate design for fiber orientation.

Surface finish comparison
Glass-filled parts typically show a matte surface with visible fiber orientation

Cost Considerations

GF30 provides the best balance of cost and performance for most applications. It’s the most widely used glass-filled grade.

Application Guide

Choose Unfilled Nylon When:

  • Impact resistance and toughness are critical
  • Parts need good surface finish
  • Snap-fits or living hinges are required
  • Cost is the primary concern

Choose Glass-Filled Nylon When:

  • High strength and stiffness are needed
  • Dimensional stability under heat is critical
  • Metal replacement is the goal
  • Precision tolerances must be maintained

Our Capabilities

With over 300 CNC machines, we produce more than 10,000 pieces daily with tolerances as tight as ±0.005mm. We accept MOQ from 1 piece, with delivery times ranging from 24 hours to 15 days. We supply nylon in all grades—unfilled, GF15, GF30, and GF50. Get a quote within 24 hours.

PREGUNTAS FRECUENTES

How do you know whether Glass-Filled vs Unfilled Nylon: Complete Performance Comparison fits a part?

Glass-Filled vs Unfilled Nylon: Complete Performance Comparison fits a part when its load capacity, temperature range, moisture exposure, wear behavior, and processing method match the real service conditions.

What properties should be checked for Glass-Filled vs Unfilled Nylon: Complete Performance Comparison?

Check strength, stiffness, impact resistance, heat resistance, moisture absorption, dimensional stability, friction, wear, and chemical compatibility.

What is the biggest selection risk for Glass-Filled vs Unfilled Nylon: Complete Performance Comparison?

The biggest risk is choosing from a datasheet value without considering actual environment, processing method, part geometry, and long-term use.

When should Glass-Filled vs Unfilled Nylon: Complete Performance Comparison be tested before production?

Testing is recommended when the part faces load, heat, chemicals, moisture, tight tolerances, regulatory requirements, or a new operating environment.

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