ABS ASA Co-Extruded Sheet
In outdoor construction, material selection demands a critical balance: premium weather resistance versus cost efficiency. While ASA (Acrylonitrile Styrene Acrylate) offers exceptional UV stability, color retention, and weatherability, its raw material cost is significantly higher than ABS (Acrylonitrile Butadiene Styrene). Our advanced co-extrusion technology revolutionizes this equation-producing high-performance ABS ASA sheets with an ASA outer layer and ABS core, delivering the best of both materials at an optimized price point.
Engineering Excellence Through Co-Extrusion
Our 1.75-meter-wide dual-screw co-extrusion line precisely bonds ASA and ABS into a unified sheet:
ASA Surface Layer
Blocks 99% of UV radiation, preventing fading, cracking, and degradation.
Withstands extreme temperatures (-40°C to 85°C) and harsh climates.
Resists chemicals, graffiti, and environmental pollutants.
ABS Core Layer
Provides superior impact strength, rigidity, and dimensional stability.
Reduces overall material costs by up to 40% compared to full-ASA sheets.
Perfect Fusion: Thousands of process optimizations ensure seamless layer adhesion, eliminating delamination risks.
Visual evidence from our factory's long-term exposure test:
Right Section:
Bottom Right: Pure ABS sheet after just 3 months outdoors - exhibits severe yellowing.
Top Right: Pure ABS sheet kept indoors for 3 months - retains original white color.
Left Section:
Our ASA-ABS co-extruded sheet after 1 full year outdoors - no visible fading or yellowing.
Conclusion: This side-by-side comparison visually confirms the superior weatherability of our co-extruded ASA-ABS sheet. While unprotected ABS rapidly degrades outdoors, our ASA surface layer effectively shields the ABS core from UV damage and discoloration.
Why ASA and ABS Are Perfect Partners for Co-Extrusion
ASA and ABS exhibit exceptional compatibility in co-extrusion due to their shared chemical foundations and synchronized processing behavior. Both polymers are built on an acrylonitrile-styrene backbone, enabling molecular-level bonding during melting. The acrylate rubber in ASA and butadiene rubber in ABS have closely matched solubility parameters , allowing their polymer chains to interdiffuse at the interface.
This creates a permanent hybrid bond – confirmed by peel strength tests exceeding 35 N/cm. Critically, their melt temperatures (ASA: 230–260°C; ABS: 210–250°C) and viscosities overlap perfectly, preventing delamination during co-extrusion.
Our factory validation shows no layer separation even after 500 thermal cycles (-40°C to 85°C) or 5+ years of outdoor exposure. Unlike coated alternatives, this fusion isn't a superficial layer but a molecular marriage – delivering lifelong weatherability without compromising structural integrity.
Vacuum forming service
Jiangsu Compound: Always at your service.
With 18 years of industry experience, we operate from a 3,000-square-meter facility. Our integrated services include direct supply of plastic sheet materials from eight extrusion lines, large-format vacuum forming on two dedicated machines, and precision post-processing with our five-axis CNC machining center.
Materials for Vacuum Forming
ABS (Acrylonitrile Butadiene Styrene) sheet:
The most versatile and widely used vacuum forming material, ABS sheet offers an optimal balance of lightweight properties, rigidity, and impact strength despite limited solvent resistance. Modified variants (e.g., UV-stabilized, food-grade, flame-retardant, and toughened grades) expand its suitability for diverse applications including electrical housings, luggage, sanitary components, and automotive parts.
Key Blends:
PC/ABS sheet: Enhanced heat/impact resistance for high-stress components (e.g., motorcycle fairings).
PMMA/ABS sheet: High-gloss finish ideal for cosmetic packaging (requires precise thermal control).
ASA/ABS sheet: Superior UV stability for outdoor applications (e.g., garden equipment) without painting.
PVC/ABS sheet: Cost-effective solution for decorative parts (e.g., automotive dashboards).
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