Melamine buttons are made from melamine-formaldehyde resin (MF) – a thermoset material related to urea but harder and more resistant to high temperatures and moisture. They are mainly used for garments requiring heavy-duty care: industrial washing at high temperatures, tunnel finishing, and frequent cycles. Urea (UF) is a more affordable alternative that meets the needs of most uniforms, shirts, and workwear.
Common Features of Melamine and Urea Buttons
Both materials are aminoplasts – resins formed by the reaction of formaldehyde with a nitrogen-containing compound (urea for UF, melamine for MF). The manufacturing process is the same: a powder mixture of resin, filler, and pigment is pressed into a heated mold and irreversibly hardened. Therefore, both button types:
- do not soften during ironing and pressing;
- do not stick to fabric at high temperatures;
- are coloured throughout the material;
- are hard and scratch-resistant;
- can withstand dry cleaning.
Differences Between Urea and Melamine
| Property | Urea (UF) | Melamine (MF) |
|---|---|---|
| Hardness | High | Higher |
| Resistance to hot water and steam | Good | Very good |
| Performance in repeated industrial washing | Good, surface may gradually lose gloss | Maintains surface longer |
| Resistance to detergents and bleach | Good | Higher |
| Colour stability | Good | Very good |
| Price | Lower | Higher |
| Typical use | Shirts, uniforms, jackets, workwear | Hospital clothing, rental garments, industrial laundries |
The table shows general trends. Actual performance depends on formulation, filler, and button thickness, so sample testing remains essential.
When Melamine Is Worth It
Garments Washed in Industrial Laundries
Companies renting workwear use standardized programs with high temperatures, strongly alkaline detergents, and tunnel drying with steam. A garment may undergo dozens or hundreds of cycles. Here, melamine’s higher resistance pays off with longer button life.
Hospital and Food Industry Clothing
Under high-temperature washing and disinfection, melamine retains its surface longer. Many manufacturers also use urea successfully – the choice depends on the actual washing program.
Garments with Very Long Service Life
If a garment must endure years of intensive use and button replacement is costly, the higher price of melamine spreads out over time.
When Urea Is Fully Sufficient
- Corporate uniforms for hotels, restaurants, retail chains;
- Shirts and blouses that undergo industrial ironing but are washed at moderate temperatures;
- Work jackets and trousers washed up to 60 °C;
- Jackets, suits, and coats where a matte, solid look is desired.
Models for these applications are available in the urea buttons category.
Alternatives to Thermoset Buttons
For heavy-duty care garments, plastic buttons are not always necessary. Some manufacturers choose:
- metal buttons and eyelets – for heavy workwear, overalls, and denim; see metal buttons;
- snap buttons – for quick fastening without buttonholes;
- polyester buttons with a thicker profile – for home care and limited budgets; see polyester buttons.
How to Decide: A Practical Algorithm
- Clarify where the garment will be washed – at home, hotel laundry, or industrial laundry with contract programs.
- Request the maximum temperature and type of detergents from the laundry or client.
- Determine the expected number of washing cycles during the garment’s life.
- If conditions are moderate – choose urea. If extreme and the garment is rented – melamine or metal.
- Confirm your choice with testing on a sample of the actual fabric.
What to Ask the Laundry or Client
The most common cause of wrong material choice is lack of information about actual care. Before finalising the material, collect the following data:
- Maximum washing temperature – 60 °C, 75 °C, or 90 °C greatly affects button surface;
- Type of detergents – alkaline detergents, oxygen bleach, or chlorine act differently on resins and pigments;
- Drying and finishing – tumble drying, tunnel finishing with steam, or pressing;
- Expected number of cycles – how many times the garment will be washed before disposal;
- Testing standard – some clients require ISO 15797 testing, describing industrial washing and finishing procedures for workwear.
With this data, we can recommend a specific material and send samples for testing instead of choosing blindly.
Colour and Visibility
For high-visibility or corporate-colour garments, it is important how the button colour will look after repeated washing. Dark and saturated tones usually perform well with both materials, while white and light buttons show differences in resistance to aggressive detergents more clearly.
If you work on a tender or client technical specification, check if a specific button material is required – often a certain durability is explicitly demanded.
Consultation and Samples from Polkom
Polkom is a Bulgarian manufacturer of accessories for fashion, furniture, footwear, and bags based in Sofia with over 30 years of experience. We assist workwear and uniform manufacturers in choosing the right material, produce samples, and deliver across the EU. Send your care conditions and model via the inquiry form.














