Isophthalic polyester resin REL 105 is a thixotropic, pre-accelerated, ortophthalic based polyester resin, with different gel time version:
REL 105 A: short gel time, lamination within 1-5mm
REL 105 B: medium gel time, lamination within 2-10mm
REL 105 C/D: long gel time, lamination within 3-15mm
1. When applying REL 105 isophthalic polyester resin, styrene emission is reduced by up to 50% compared to other general purpose resin.Emission is only 3-5% of polyester resins used compared to 6-10% of standard polyester resin.
2. Excellent glass fiber wet out properties and easiness of application is characteristic of REL 105.
| Product Name | Description | Performance Attributes | Type | Application |
| REL 105 isophthalic polyester resin | Low styrene emission resin | Low emission,excellent wettability,reliable with long case history and complies with Lloyds rules for construction of small crafts | Ortho | Marine |

isophthalic polyester resin has excellent mechanical properties, high strength for durable composites. Curing time is adjustable for efficiency. With good heat resistance, isophthalic polyester resin withstands high temps well. Also, isophthalic polyester resinhas great appearance quality, being transparent and color - stable for consistent, aesthetic products.

Changzhou RealLand Composite Material Technology Co., Ltd.
As a trusted isophthalic polyester resin manufacturer in china, RealLand stands out through its unwavering commitment to innovation, quality, and sustainability. With 25+ years of expertise in isophthalic polyester resin, we leverage cutting edge R&D capabilities and a state-of-the-art production facility to deliver isophthalic polyester resins that exceed industry benchmarks. Our isophthalic polyester resin products boast ultra-high tensile strength and rapid curing efficiency.RealLand has a number of technology patents, and has passed ISO9001 and ISO14001.
We offer full customization to meet specific project demands, supported by a dedicated technical team providing end-to-end solutions from formulation optimization to on-site process guidance. Partner with RealLand for high-performance, eco-friendly isophthalic polyester resin that drive efficiency, reduce lifecycle costs, and future-proof your supply chain.





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: 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: 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.
Q: What is The Product Lead Time?
A: 10 days.
Q: What's Shelf Life of Unsaturated Polyester Resin?
A: Normally 8 months.
Q: Can I Get a Lower Price for a Large Quantity Order?
A: Absolutely. The online price serves as a reference, but due to fluctuations in raw material costs, our sales team can provide you with the most accurate and competitive pricing. Before making a purchase, kindly engage with our sales representatives. They will work closely with you, taking into account your order quantity and specific requirements, to ensure you receive the best and most cost-effective pricing tailored to your needs.

RealLand is a integrated enterprise, provides specialty chemical products, services and solutions for many of world’s most essential industries.
E-mail: castle@reallandcomposite.com
Mobile: 0086-13775214842
WhatsApp: +86-13775214842
Add: 2305-2306, Changfa Plaza Office Building, No. 101-1, The Taihu Lake East Road, Xinbei, Changzhou, Jiangsu, China