Back
Epoxy Vinyl Ester Resin
Wind Turbine Blade Infusion Vinyl Ester Resin REL 6600

Description:

Infusion/RTM pre-accelerated modified vinyl ester resin


Performance Attributes:

Low shrinkage, high strength, impact resistance and water resistance.
Excellent surface profile.
Excellent blister resistance


Application:

Marines or boat construction (shells and decks) and large FRP products.
Designed as high premium skin-coat resin for high performance boats.

Inquiry Now
WHAT ARE YOU LOOKING FOR?
*
This field is required
Total quantity you need
*
This field is required
*
This field is required
Email format error
Due to email instability, you might miss our correspondence. Please provide your phone number for alternative contact.
This field is required
Telephone information is wrong!
Send Message
REL 6600vinyl ester infusion resin
REL 6600vinyl ester infusion resin
REL 6600epoxy resin for boat building
REL 6600vinyl ester infusion resin
REL 6600epoxy resin for boat building
//www.reallandcomposite.com/uploadfiles/128.1.164.122/webid2311/source/202407/1564717217838109.jpg
REL 6600vinyl ester infusion resin
REL 6600vinyl ester infusion resin
REL 6600epoxy resin for boat building
REL 6600vinyl ester infusion resin
REL 6600epoxy resin for boat building
Product Description
Features & Applications
Why RealLand
FAQs
Product Description

REL 6600 is a high-performance vinyl ester resin specifically designed for vacuum infusion in the manufacture of wind turbine blades. This product is designed to meet the stringent requirements of large wind turbine blades for production efficiency, structural reliability, and long-term durability, and is particularly suitable for extreme corrosive environments such as offshore wind power.

Through optimized formulation, it focuses on improving the fatigue performance of composite laminates while maintaining good infusion processability, making it a highly efficient and reliable alternative or complement to traditional epoxy resin systems.

Product NameDescriptionPerformance AttributesApplication
REL 6600 vinyl ester resinInfusion/RTM pre-accelerated modified vinyl ester resin

Low shrinkage, high strength, impact resistance and water resistance

Excellent surface profile.

Excellent blister resistance

Marines or boat construction(shells and decks) and large FRP products

Designed as high premium skin-coat resin for high performance boats.


TYPICAL LIQUID RESIN PROPERITIES

Property at 25ºCValue Method
Brookfield Viscosity (25ºC)
-LVT sp#2/30 rpm180 -220 mPa.sGB/T7193.4.1
Acid Value4-8 mg KOH/g sampleGB/T2895
Non-Volatile Content52-56%GB/T7193.4.3
Gel time (2.0% MEKP)30 -120min (Be customized)GB/T7193.4.6
Peak Exotherm100-140 ºCGB/T7193.4.6


TYPICAL CURING CHARACTERISTICS

Property of castingValueMethod
Tensile Strength85.5 MPaISO 527
Tensile Modulus3.3 GPaISO 527
Elongation5.1%ISO 527
Flexural Strength140 MPaISO 178
Flexural Modulus3.4 GPaISO 178
Heat Distortion Temperature (1.81MPa)95 MPaISO 75
Glass transition temperature, Tg115 ºCDSC 10ºC/min


Features & Applications


Feature.jpg
Features:
REL 6600 vinyl ester resin is recommended for marines or boat construction (shells and decks) and large FRP products. It is available for customized infusion/RTM process in viscosity and gel time.
Feature 2.jpg
Applications:
REL 6600 resin is recommended for wind turbine blades and yacht deck products. It has the characteristics of corrosion resistance and wear resistance.

7.jpg


Why Choose REL 6600 vinyl ester resin



Changzhou RealLand Composite Material Technology Co., Ltd.

Choosing REL 6600 vinyl ester resin means significant efficiency improvements and overall cost optimization for your wind turbine blade manufacturing.

Significantly Increased Production Efficiency and Shorter Delivery Cycles: Compared to traditional epoxy resins, REL 6600-based vinyl ester resin systems can effectively shorten production cycles by approximately 30%. It typically has a faster curing speed and reduces reliance on heated molds and post-baking, thereby helping you increase production line capacity and respond to market demands more quickly.

Excellent processability and good mechanical balance: REL 6600 vinyl ester resin is optimized for vacuum infusion processes, exhibiting excellent fiber wettability and leveling properties. It excels in achieving high tensile strength and high elongation at break, providing blades with the necessary structural toughness and impact resistance to cope with extreme wind loads.

Future-proof environmental and weather-resistant solutions: This vinyl ester resin is available in low-styrene or styrene-free formulations, which not only improve the workshop working environment but also help your products meet increasingly stringent global environmental regulations (such as EU REACH requirements). Its cured products possess excellent resistance to hydrolysis, salt spray, and UV aging, which is key to ensuring the 25-year design life of offshore wind turbine blades.


company.jpg



  • company ct.jpg

  • company ct 2.jpg

  • company ct 3.jpg

  • company ct 4.jpg

FAQs


Q: Can I Request a Sample of Unsaturated Polyester Resin?
A: Yes, we can provide 10kg of resin as a free sample, but freight are typically the responsibility of the buyer.

Q: Do you have OEM/ODM service?
A: Yes, we are highly flexible in offering OEM/ODM services.

Q: Can I Customize the Formulation of Unsaturated Polyester Resin for My Project?
A: Yes, absolutely. We understand that different projects may have unique requirements. Our R & D department is well-equipped to handle custom formulations based on your specific needs. You can provide us with the details of your project, including any specific characteristics or performance criteria you are looking for, and our experts will work on tailoring a formulation that meets your requirements.

Q: What is The Product Lead Time?
A: 10 days.

Q: What's Shelf Life of Unsaturated Polyester Resin?
A: Normally 8 months.

Q: How Do I Choose the Right Unsaturated Polyester Resin for My Application?
A: We would provide guidance on selecting the appropriate UPR based on different project requirements.

Q: What Certifications and Quality Standards Does Your Unsaturated Polyester Resin Meet?
A: Our Unsaturated Polyester Resin meets CCS, RoHS, REACH, EMS, and QMS certifications and quality standards.

    Let’s Collaborate Today!
    WHAT ARE YOU LOOKING FOR?
    *
    This field is required
    Total quantity you need
    *
    This field is required
    *
    This field is required
    Email format error
    Due to email instability, you might miss our correspondence. Please provide your phone number for alternative contact.
    This field is required
    Telephone information is wrong!
    Send Message
      bottom_logo

      RealLand is a integrated enterprise, provides specialty chemical products, services and solutions for many of world’s most essential industries.

      CopyRight © 2026 Changzhou RealLand Composite Material Technology Co., Ltd. All rights reserved Sitemap  All tags