D.E.R. 732 is a low-viscosity epoxy resin used in adhesive, sealant, and coating formulations that require improved flexibility and balanced mechanical performance. It is often selected for epoxy systems where easier handling, good flow, and durable cured properties are important.
This grade is identified by CAS No. 26142-30-3 and has an approximate molecular weight of 600. According to the product specifications, D.E.R. 732 has a viscosity range of 55-100 cps and a weight per epoxide equivalent (WPE) of 305-330.
Key Properties
- Low-viscosity epoxy resin for easier processing and handling
- Supports improved flexibility in cured epoxy systems
- Useful in adhesive, sealant, and coating formulations
- Provides balanced flow and mechanical performance in reactive systems
- Approximate molecular weight of 600
Applications
Adhesives
D.E.R. 732 is used in epoxy adhesive formulations where flexibility, manageable viscosity, and consistent cured performance are important.
Sealants
This resin is suitable for sealant systems that benefit from a combination of flow properties, handling ease, and durable cured characteristics.
Coatings
In coating formulations, D.E.R. 732 may be used where lower viscosity and improved flexibility are desirable within the overall epoxy resin system.
Solubility & Compatibility
- Designed for use in epoxy resin systems and reactive formulations
- Compatibility depends on curing agent selection, additives, and formulation ratios
- Performance should be evaluated under actual application conditions
Final system behavior will vary depending on curing conditions, formulation composition, and end-use requirements. Users should confirm compatibility and performance in their own formulations.
Preparation Tips
- Mix thoroughly before use to ensure a uniform resin phase
- Measure resin and curing components carefully to maintain target stoichiometry
- Use clean, dry equipment to minimize contamination
- Conduct small-scale testing to verify viscosity, cure response, and final properties before scale-up
Handling & Storage
- Store at room temperature
- Keep container tightly closed when not in use
- Use appropriate personal protective equipment during handling
- Follow standard laboratory and industrial chemical handling practices
Frequently Asked Questions
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1. What is D.E.R. 732 used for?
D.E.R. 732 is commonly used in epoxy adhesives, sealants, and coatings where lower viscosity and improved flexibility are desired.
2. What is the CAS number for D.E.R. 732?
The CAS number for D.E.R. 732 is 26142-30-3.
3. What is the viscosity of D.E.R. 732?
The listed viscosity range for D.E.R. 732 is 55-100 cps.
4. What is the approximate molecular weight of D.E.R. 732?
The approximate molecular weight of D.E.R. 732 is 600.
5. What types of formulations commonly use D.E.R. 732?
D.E.R. 732 is commonly used in adhesive, sealant, and coating formulations that require improved handling and balanced mechanical properties.
6. How should D.E.R. 732 be stored?
D.E.R. 732 should be stored at room temperature in a tightly closed container.
Safety & Documentation
Follow standard laboratory and industrial hygiene practices when handling epoxy resins. Refer to the Safety Data Sheet (SDS) and product specifications for hazard information, recommended PPE, and safe handling guidance.
