Advanced Vacuum Infusion & RTM Resins
Ultra-low viscosity resin systems engineered for vacuum-assisted resin transfer molding (VARTM). Featuring premium SVHC free resin for infusion molding, ensuring environmental safety and high performance for large-scale composite manufacturing.
Precision-Engineered for Closed-Mold Excellence
Lechi vacuum infusion resins represent the cutting edge of composite manufacturing technology. With viscosities as low as 140 mPa·s, these resins flow effortlessly through dense fiber preforms, ensuring complete saturation even in complex geometries. Our formulations feature extended gel times (up to 80 minutes) to accommodate large infusion areas, while maintaining controlled exothermic profiles to prevent thermal damage in thick laminates. Ideal for wind turbine blades, boat hulls, and aerospace components where fiber volume fraction and mechanical consistency are critical.
Quick Stats
Application Fields
Optimized for Modern Composite Manufacturing
Superior Flow Characteristics
Engineered viscosity profile ensures rapid impregnation of multi-axial fabrics and core materials, reducing infusion time and improving production efficiency.
Thermal Management
Low peak exotherm technology allows for thick-section infusions without the risk of internal cracking or fiber damage from excessive heat generation.
Mechanical Excellence
High glass transition temperature and superior interlaminar shear strength deliver structural performance that meets aerospace and marine certification standards.
Manufacturing Process Compatibility
Our Vacuum Infusion Resins series is meticulously formulated to integrate seamlessly into your existing manufacturing infrastructure, from high-precision molding to heavy-duty winding.
Vacuum Infusion Resins Specifications
Complete technical data for our vacuum infusion resins lineup. Select the model that best fits your industrial requirement.
| Model | Chemical Type | Viscosity (mPa·s) | Gel Time (min) | Molding Process | Application Field | Characteristics |
|---|---|---|---|---|---|---|
LC-4002 | Dicyclopentadiene Modified | 140-180 | 18-23 | Vacuum Infusion/RTM | Tank heads | Low shrinkage, fast cure |
LC-4005 | Orthophthalic | 180-240 | 20-30 | Spray-up | Boats, cabin covers, large FRP parts | Low volatility, low shrinkage |
LC-4850 | Orthophthalic | 150-200 | 60-80 | Vacuum Infusion/RTM | Boats, wind turbine nacelles | Low temperature peak, low shrinkage |
LC-4986 | Isophthalic | 150-250 | 40-60 | Vacuum Infusion/RTM | Boats, wind turbine nacelles | High strength, low temperature peak, low shrinkage |
Why Global Industry Leaders
Choose Lechi Composites
Quality Assurance
Every batch undergoes rigorous testing in our ISO-certified facilities to ensure consistent mechanical properties.
R&D Innovation
Our technical team continuously refines chemical formulations to meet evolving international standards.
Reliable Supply Chain
Global production capacity of 600,000 tons provides stability for your large-scale projects.
"Global Quality.
Professional Service."
Request Quote & Samples for Vacuum Infusion Resins
Fill out the form below to receive a factory-direct quote and request free technical samples for your composite manufacturing.
Optimize Your Infusion Process
Work with our process engineers to select the ideal resin viscosity and cure profile for your specific part geometry and production volume.