Filament Winding Resin
Engineered for Pipes, Tanks, and Vessels
Low viscosity formulations ensuring rapid wetting and high productivity for continuous winding processes.
Maximize Winding Efficiency
Filament winding is highly automated and requires resins with precise rheology. If the viscosity is too high, wet-out is poor; if too low, resin drips and creates waste.
Changyuan New Materials offers specialized filament winding resins that strike the perfect balance. Our formulations allow for high winding speeds while ensuring complete saturation of the glass fibers, resulting in void-free laminates with superior hoop stress strength.
From small diameter pressure pipes to massive chemical storage tanks, our resins provide the chemical resistance and mechanical durability your projects demand.
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Need a specific gel time or viscosity? Let our technical team assist you.
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Winding Grade Portfolio
Versatile solutions for diverse infrastructure needs
Standard Orthophthalic Winding Resin
Cost-effective resin with controlled viscosity and good mechanical properties. Ideal for water transmission pipes and general-purpose cylindrical structures.
- Stable viscosity
- Good fiber wetting
- Economical
Isophthalic Winding Resin
Enhanced chemical and corrosion resistance for sewage pipes and underground storage tanks. Provides better long-term durability than ortho resins.
- Corrosion resistant
- Higher strength
- Underground suitable
Vinyl Ester Winding Resin
High-performance resin for chemical processing tanks and high-pressure pipes. Offers reduced curing shrinkage and superior fatigue resistance.
- Superior fatigue life
- Chemical resistant
- High pressure capable
Typical Applications
FRP Piping Systems
Water transmission, sewage, and industrial chemical pipelines.
Storage Tanks
Large diameter vertical and horizontal tanks for water and chemicals.
Pressure Vessels
High-strength composite vessels for industrial gas and water treatment.
Filament Winding FAQ
Q: What viscosity is best for filament winding?
For standard filament winding, a resin viscosity between 300-500 cps is typically ideal to ensure thorough impregnation of the fiber rovings without dripping. We can adjust viscosity to match your specific winding speed and equipment.
Q: Can I use standard resin for drinking water pipes?
No, for potable water applications, you must use a resin that is certified (e.g., WRAS or NSF equivalent) and formulated with food-grade raw materials to prevent leaching. We offer specific drinking water grade resins.
Q: How do you control the curing time for large tanks?
Curing time is critical for large structures. We provide a range of promoter/inhibitor packages that allow you to adjust the gel time from 20 minutes to several hours, ensuring the tank structure is stable before the resin sets.
Q: Is your resin suitable for dual-helical winding?
Yes, our resins are formulated with excellent mechanical properties (elongation and tensile strength) to support the complex stress loads found in dual-helical and hoop winding patterns.
Scale Your Production
Reliable quality for seamless, continuous manufacturing.