BigRep ASA
BigRep ASA Weather-Resistant Engineering Filament
BigRep ASA is a high-performance engineering filament designed for durable outdoor applications that demand excellent weatherability, UV resistance, and long-term dimensional stability. Engineered for industrial FDM/FFF printing, ASA combines the strength and toughness of ABS with superior resistance to sunlight, moisture, and environmental aging, making it an ideal material for functional end-use parts.
Offering excellent mechanical properties, low shrinkage, and outstanding layer adhesion, BigRep ASA produces strong, dimensionally accurate parts with minimal warping. Its high heat resistance and chemical resistance make it well suited for automotive, industrial, and outdoor applications where durability is essential.
Optimized for large-format additive manufacturing, BigRep ASA delivers lightweight yet durable components capable of withstanding prolonged outdoor exposure while maintaining their appearance and mechanical performance.
Key Benefits
• Excellent UV and weather resistance
• High impact strength
• High heat resistance
• Minimal shrinkage and warping
• Excellent dimensional accuracy
• Strong layer adhesion
• Good chemical resistance
• Optimized for large-format additive manufacturing
Typical Applications
• Outdoor functional prototypes
• Automotive components
• Sporting goods
• Manufacturing fixtures and tooling
• Industrial end-use parts
• Exterior housings and enclosures
• Low-volume production parts
• Mechanical brackets and assemblies
BigRep ASA delivers an outstanding combination of strength, weather resistance, and dimensional stability, making it an excellent choice for engineers and manufacturers producing durable parts that must perform reliably in demanding indoor and outdoor environments.
Specifications
Material: Acrylonitrile Styrene Acrylate (ASA)
Physical Properties
• Diameter: 2.85 mm
• Density: 1.09 g/cm³
Mechanical Properties
• Tensile Strength: 40 MPa
• Tensile Modulus: 1,800 MPa
• Flexural Strength: 60 MPa
• Flexural Modulus: 1,900 MPa
• Notched Impact Strength: 30 kJ/m²
Thermal Properties
• Heat Deflection Temperature (1.8 MPa): 86°C
• Heat Deflection Temperature (0.45 MPa): 94°C
• Glass Transition Temperature (Tg): 105°C
Recommended Print Settings
• Nozzle Temperature: 230–270°C
• Build Plate Temperature: 60–100°C
• Cooling Fan: 0–100%
Additional Information
• Drying Recommendation: 80°C for 4–6 hours
• REACH Compliant: Yes
• RoHS Compliant: Yes
• FDA Compliant: No
