Description:
Designed specifically for shower enclosures, REL 1304 is a phthalic acid-based polyester SMC resin that delivers an excellent, ready-to-coat surface finish.
Performance Attributes:
Orthophthalic polyester resin, thickenable, low viscosity. It is widely used in sanitory application, electrical application
Type:
Ortho
REL 1304 SMC resin offers superior water and moisture resistance, ensuring long-term durability and dimensional stability in humid bathroom environments.
The REL 1304 SMC resin features optimized flow and curing characteristics for high-efficiency compression molding, enabling the production of large, complex, and lightweight parts.
| Product Name | Description | Performance Attributes | Type | Application |
| REL1304 SMC resin | phthalic acid-based polyester SMC resin | Orthophthalic polyester resin, thickenable, low viscosity. It is widely used in sanitory application, electrical application | Ortho | SMC/BMC |
RealLand REL 1304: High-Performance Orthophthalic Polyester SMC Resin
REL 1304 is a premium-grade Orthophthalic Polyester SMC Resin specifically engineered for high-end shower enclosures and sanitary systems, offering a perfect balance of processability and durability:
Superior Surface Finish: Designed to deliver an exceptionally smooth, high-density surface, REL 1304 SMC Resin ensures a "ready-to-coat" finish. This minimizes post-processing labor and provides an ideal substrate for high-gloss coatings or textures.
Exceptional Moisture Resistance: Formulated for humid bathroom environments, this SMC Resin provides elite water and moisture barriers. It guarantees long-term dimensional stability, ensuring that shower bases and wall panels remain warp-free and structurally sound over time.
Optimized Molding Efficiency: Featuring refined flow and curing characteristics, it is optimized for high-efficiency compression molding. Its excellent mold-filling capability allows for the production of large, complex, and lightweight components with consistent batch-to-batch quality.
Core Applications of REL 1304 SMC Resin
1. Shower Enclosure Wall Panels and Bases
REL 1304 SMC Resin provides SMC materials with exceptional surface smoothness and water resistance, making it the premier choice for large-scale bathroom components. As a high-performance Orthophthalic Polyester SMC Resin, it enables the direct molding of expansive flat panels with superior dimensional stability. This ensures the finished structures are completely impervious to moisture, meeting the rigorous aesthetic and damp-proofing standards required for modern shower enclosures.
2. Bathroom Cabinet Doors and Support Components
The excellent chemical resistance of REL 1304 SMC Resin allows cabinet structures to withstand harsh cleaning agents without surface degradation. Furthermore, the high rigidity inherent in this Orthophthalic Polyester SMC Resin ensures that door panels remain resistant to warping or deformation in high-humidity environments. Utilizing the SMC process, manufacturers can efficiently produce integrated parts with sophisticated textures, perfectly balancing long-term durability with high-end design.
3. Integrated Shower Rooms and Commercial Partition Modules
The lightweight yet high-strength properties of the REL 1304 SMC Resin composite facilitate the manufacturing and seamless installation of large prefabricated modules. The precise dimensional accuracy offered by this Orthophthalic Polyester SMC Resin ensures perfect sealing integrity at joints—a critical factor for achieving fast, reliable assembly in commercial partitions and integrated bathroom systems.

Changzhou RealLand Composite Material Technology Co., Ltd.
As a trusted orthophthalic polyester SMC resin supplier in china, RealLand stands out through its unwavering commitment to innovation, quality, and sustainability. With 25+ years of expertise in orthophthalic polyester resin, we leverage cutting edge R&D capabilities and a state-of-the-art production facility to deliver orthophthalic polyester resin that exceed industry benchmarks. Our orthophthalic 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 take pride in being the go to partner for businesses seeking top tier orthophthalic polyester resin solutions, offering not just products, but comprehensive and reliable partnerships.





Q: Is Your Company a Manufacturer?
A: Yes, indeed. We have 48,800 square meters factory located in Jiangsu Province, China.
Q: Can I Request a Sample of Unsaturated Polyester Resin?
A: Yes, we can provide 1kg 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: 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 Your Company's International Transportation Form?
A: For samples, we offer Delivery Duty Paid (DDP) services for most of the countries. This means that we handle the delivery process, including the payment of taxes, and you won't be required to manage customs clearance. For bulk orders, we normally transported by sea or land. Our commitment is to ensure the secure and efficient delivery of our products to your specified destination.
Q: What is The Product Lead Time?
A: 15 days.
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.
Q: What's Shelf Life of Unsaturated Polyester Resin?
A: Normally 6 months.

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