Manufacturer · Fashion & Home Accessories
The choice between urea or polyester buttons depends mainly on how the garment will be cared for. Urea is a thermosetting material and does not soften during ironing, pressing and high-temperature washing, so it is the safer option for shirts, uniforms and workwear. Polyester is a thermoplastic with far more colours and effects and a lower cost – it suits most fashion garments with normal home care.
The main difference: thermoplastic versus thermoset
Polyester buttons are cast from a resin that hardens and is then turned to shape. The material remains a thermoplastic: at a high enough temperature it softens. Urea buttons are pressed in a heated mould, where the resin cross-links irreversibly. After that it can no longer soften – at excessive temperature the material tends to darken and degrade rather than deform.
In practice this means that with an ordinary iron at home, both materials cope. The difference shows in the garment factory and in industrial laundries – with steam presses, automatic shirt-pressing machines and tunnel finishers.
Urea or polyester buttons – comparison table
| Criterion | Urea (UF) | Polyester |
|---|---|---|
| Behaviour under heat | Does not soften | Can soften under strong heat and pressure |
| Hardness and scratch resistance | High | Medium |
| Impact resilience | Lower, the edge can chip | Higher |
| Weight | Heavier | Lighter |
| Dry cleaning | Very good resistance | Usually good, depends on the coating |
| Colours and effects | Solid colours, marble, stone, horn | Almost unlimited: pearl, transparent, gloss, two-tone |
| Look | Matte, “stone-like”, refined | From matte to high gloss |
| Cost | Higher | Lower |
When to choose urea
- Shirts for industrial pressing – collar and cuff pressing machines work with hot plates. The buttons pass directly under them.
- Uniforms and professional wear – garments are washed frequently at 60–90 °C and dried in tumble dryers.
- Jackets and coats that are pressed during finishing – urea leaves no imprint and does not lose its sheen.
- Garments with a dry-cleaning label – urea withstands the solvents without any change to the surface.
- Collections with a classic, “expensive” look – the matte, solid appearance recalls natural materials.
See the available styles in the urea buttons category.
When polyester is the better choice
- Fashion collections with a rich palette – pearl, transparent, marble and two-tone effects are easy to make, even in small runs.
- Children’s clothing and knitwear – lighter buttons, lower risk of chipping.
- A tight budget – with large volumes, the difference in button cost is multiplied by the number of garments.
- Garments with delicate home care – washing at 30–40 °C and ironing on a low setting do not stress polyester.
There is a wide choice of styles in the polyester buttons category.
How to check your choice with a test
Before series production, it is worth running a short test on a sample of the finished garment:
- Sew on the buttons with the thread and machine you will use in production.
- Wash the sample at least five cycles with the programme that will be on the care label.
- Iron or press using the factory’s actual process – at the same temperature and with the same steam.
- Check for deformation, colour change, cracking around the holes and sticking to the fabric.
If the care label (to ISO 3758) shows an iron with three dots (up to 200 °C) or washing at 60 °C or higher, urea is usually the safer choice.
Common mistakes when choosing
- Comparing only from a photo – the two materials can look the same on screen. Ask for physical samples.
- Ignoring the factory process – the garment may be for home washing, but in production it may go through hot presses.
- A urea button too thin for a heavy fabric – the more brittle material needs a well-chosen thickness.
- Different materials on one garment – if the front is urea and the sleeves polyester, the colour shade often differs.
For classic menswear, also see the selected men’s buttons, which include styles in both materials.
Practical examples: which material for which item
Business shirt for the mass market
Shirts are usually pressed on automatic presses in the factory and then at home. A 16L–18L four-hole urea button is the safe choice, especially for white and light shirts, where any press mark shows.
Women’s viscose blouse
The fabric is washed at 30 °C and ironed on a low setting. Here polyester offers more possibilities – a pearl effect, a transparent shade or a colour matching the print – with no risk of damage.
Chef’s jacket
It is washed frequently at high temperature and tumble dried. A urea button with a thicker profile or a shank button withstands the load and does not yellow quickly.
Wool coat
It is dry cleaned and pressed during finishing. Urea with a horn or stone effect combines durability and a classic look, while for a lower-priced collection quality polyester is also acceptable.
Children’s sweatshirt
Here lighter, more resilient polyester buttons are more suitable – they reduce the risk of chipping during play and when washed with many other garments.
Samples and quote 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 make urea and polyester buttons colour-matched to a sample and with your logo, send samples quickly and deliver throughout the EU. Describe the garment and its care regime in a request for a quote and we will recommend the right material.
