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Novolac phenolic resin is a type of thermosetting polymer derived from phenol and formaldehyde, characterized by its high thermal stability and excellent mechanical properties. It is typically produced through a condensation reaction and requires a hardener to cure, resulting in a rigid and durable material. This resin is widely used in applications that demand high performance under heat and stress conditions.
| Chemical composition | Phenol and formaldehyde |
| Curing agent | Hexamethylenetetramine or other hardeners |
| Thermal stability | Up to 200°C (392°F) |
| Viscosity | Varies based on formulation, typically 1000 to 5000 cP |
| Color | Typically dark brown to black |
When selecting novolac phenolic resin, consider the specific application requirements such as thermal and mechanical properties. It's important to specify the desired viscosity, curing agent, and any necessary certifications for your industry. Additionally, buyers should indicate the required quantities and any specific formulations needed for their applications.
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It is used in high-performance applications like automotive parts, electrical components, and coatings.
Novolac resin is cured using a hardener, typically hexamethylenetetramine.
It offers high thermal stability, excellent mechanical strength, and chemical resistance.
Yes, but it may require additional protective coatings for UV resistance.
Common industries include automotive, aerospace, and electrical manufacturing.
It is not biodegradable, but many manufacturers are working on more sustainable formulations.