Sammying felts : synthetic felts or mixed felts
The Dollfus & Muller felts are used on through feed sammying machines during hide processing in tanneries and are called sammying felts. In a tannery, the sammying machines take out from the hides its surplus of water and its fats.
Dollfus & Muller sammying felts allow an immediate dewatering, degreasing and offer an excellent drainage. The hide runs between two felts under high pressure applied by strong cylinders (up to 6 cylinders). Dollfus & Muller felts are resistant to high pressure, easy to guide for a quick running start and allow an easy maintenance. The sammying felts are also available in black color for a reliable infrared surface measuring, and are then called black felts.
The Dollfus & Muller ESCO felts can be provided in various fibres mixes : either synthetic felts or mixed felts. Furthermore, different styles are available according to the sammying machine model.. This wide range allows to provide one adequate solution for each leather processing :
- vegetal or chrome tanning
- crust, sides or full hides
- buffalo, goat, pig skins…
- after dying or retanning sammying
These sammying felts are used on the following machines : Bauce, Escomar, CM, 3P, Rizzi, Poletto, Turner, 3H, Shanghai Sunhome, Nantong Sirui, Huzhou Er Qing, Young pearl, ...
| Type of leather | Production | Type of machine | Process | Recommended felt | Characteristics | ||||
|---|---|---|---|---|---|---|---|---|---|
| Composition | Weight (g/m²) | Thickness (mm) | Water permeability l/h/10 cm² (under 2 bars of water pressure) | Lifetime | |||||
| Cow, | Automotive, Upholstery |
5-6 cylinders machines for heavy sammying |
Wet blue, vegetal tanning, greasy hides |
ESCO S 95 | 100% synthetic | 9500 | 18 | 350 | +++++ |
| Buffalo, | Wet blue tanning | ESCO M 85 |
30% wool - 70% synthetic |
8500 | 17 | 330 | +++ | ||
| Calf, Pig, | Shoes, | 3 cylinders | Wet blue, vegetal tanning, greasy hides |
ESCO S 85 | 100% synthetic | 300 | ++++ | ||
| Goat, Sheep, | Garments, | machines | Wet blue tanning | ESCO M 75 |
30% wool - 70% synthetic |
7500 | 15 | 400 | ++ |
| Reptile | Bags | Wet blue, vegetal tanning, greasy hides |
ESCO S 75 | 100% synthetic | 370 | +++ |
