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Description:
REL 782 is a high-performance vinyl ester resin specifically designed for Sheet/Bulk Molding Compound (SMC/BMC) processes. It is particularly suitable for manufacturing automotive engine components that demand stringent requirements for high-temperature resistance and lightweight characteristics.
Performance Attributes:
Localized MgO thickenable vinyl ester resin used for SMC/BMC, high heat resistance, excellent physical properties at 150c
Application:
Higher strength inners, Battery cover, underhood/engine parts (valve covers, oil pans), bumper beams, floor pans
REL 782 vinyl ester resin for SMC/BMC is a high strength, thickenable, bis-A based epoxy vinyl ester resin for use in sheet molding compound or bulk molding compound.
| Product Name | Description | Performance Attributes | Application |
| REL 782 vinyl ester resin for SMC/BMC | SMC thicknable Epoxy Vinyl Ester Resin | Localized MgO thickenable vinyl ester resin used for SMC/BMC, high heat resistance, excellent physical properties at 150c | Higher strength inners, Battery cover, underhood/engine parts(valve covers, oil pans),bumper beams, floor pans |
| Property(1) | Value | Unit |
| Viscosity, Brookfield, spindle #3 @ 30 rpm | 1300 | mPas (cps) |
| Styrene content | 39.5 | % |
| Specific gravity | 1.08 | - |
| Acid value | 31 | mg/KOH/g |
| Water content (maximum) | 0.12 | % |
| SPl gel time at 82°C(180°F) | 14 | minutes |
| Peak exotherm temperature | 216(420) | °C (°F) |
(1) Properties measured at 25°C (77°F) unless otherwise noted. Properties are typical values, based onTypical values should not bematerial tested in our laboratories, but vary from sample to sample.construed as a quaranteed analysis of any specific lot.
| Property of Clear Casting | Value(SI) | Unit | Method |
| Heat deflection temperature145 | 145 | °C | ASTM D648 |
| Component | Parts per Hundred |
| REL 782 resin | 70 |
| Low Shrink Additive | 30 |
| TRIGONOX(2)29-B75 | 1.5 |
| LUPEROX(3)26P 50 | 0.2 |
| Modifier E | 0.3 |
| Zinc Stearate | 4.5 |
| Calcium Carbonate (5-8 microns) | 150 |
| AROTRAN 295 resin | 4.0 |
| Fiberglass,1 inch | 34% |
(2) Registered trademark of Akzo Nobel Chemicals, Inc.
(3) Registered trademark of Elf Atochem America, Inc.
| Property (1) | Value | Unit | Method |
| Specific gravity | 1.88 | ||
| Tensile strength at 22°C(72°F) | 150 | MPa | IS0 527 |
| Tensile modulus at 22°C(72°F) | 13620 | MPa | IS0 527 |
| Tensile elongation | 1.5 | % | IS0 527 |
| Flexural strength | 220 | MPa | ISO 178 |
| Flexural modulus | 11200 | MPa | ISO 178 |
| Water absorption | 0.27 | % | |
| Shrinkage | 0.011 | % | |
| CTE | 1.88x10(5) | in/in-°C | |
| Thermal conductivity | 0.569 | k/value |
(4) Value listed is typical for SMC Compound formulated as stated above.
The manufacturing, quality control and distribution of products, by RealLand Performance Materialscomply with one or more of the following proarams or standards: Responsible Care, lS0 9001. 1S0 14001and OHSAS 18001.
Drums - Store at temperatures below 25°ºC (77°F). Storage life decreases with increasing storagetemperature. Avoid exposure to heat sources such as direct sunlight or steam pipes. To avoidcontamination of product with water, do not store outdoors. Keep sealed to prevent moisture pick-up andmonomer loss. Mild mixing is recommended after prolonged storage. Rotate stock.
Changzhou RealLand Composite Material Technology Co., Ltd.
We provide optimized formulations to achieve the best balance between high strength and lightweight properties, ensuring the dimensional stability of large parts.
We possess proprietary resin technology for high-temperature and chemical media resistance, guaranteeing long-term reliability in harsh operating environments.
We offer comprehensive process optimization support, from thickening control to mold design, specifically addressing the challenges of using vinyl ester resin in SMC/BMC processes.
Our core strength lies in the deep integration of material technology, application scenarios, and manufacturing processes. We are not merely a supplier of a high-performance vinyl ester resin but a technical partner dedicated to helping you achieve performance enhancement, reliability assurance, and cost optimization for these critical components.
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.
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
