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What is the difference between PRF, MUF & UF adhesives?

Discover how PRF, MUF & UF adhesives differ in composition and properties.

Phenol Resorcinol Formaldehyde (PRF), Melamine Urea Formaldehyde (MUF), and Urea Formaldehyde (UF) adhesives belong to the adhesive category of ‘resins’.

These adhesives are typically formulated as two-part systems, available in either powdered or liquid forms. Their exceptional bond strength and ability perform in demanding application makes them indispensable in a number of sectors, including marine, packaging, and notably, the timber processing industry.

In short…

Phenol Resorcinol Formaldehyde (PRF)
PRF resins excel in applications demanding high durability and resilience to external elements. PRF boasts unparalleled bond strength, excellent water resistance, heat, and chemicals. It is a preferred choice for structural timber (e.g. glulam beams) and marine applications.

Melamine Urea Formaldehyde (MUF)
MUF is celebrated for its versatility and robust bond strength, akin to PRF. However, it finds its niche in interior grade applications where moisture and durability are less critical. Furthermore, it gives a opaque glueline so ideal where the glueline is visible. idely used in furniture manufacturing and product assembly, MUF also contributes to structural timber applications such as glulam beams.

Urea Formaldehyde (UF)
UF adhesives have long been a reliable option in the timber processing industry, offering a variety of different curing options and giveing a durable water resistant bond. Whilst not waterproof, UF adhesives demonstrate excellent resistance to moisture. They are commonly applied in interior settings where exposure to temperature change and moisture is minimal.