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Sanfor felts
Sanforizing felts for Sanfor machines
The Dollfus & Muller sanforizing felts are used on the Palmer unit of the compressive shrinking range or sanforizing machine. The sanforizing machine does for plain woven fabric what a compactor does for knitted fabrics : Pre-shrinking and stabilization. The difference comes from the fact that the shrinkage is not given by the felt, but by a thick rubber belt using steam and mechanical pressure on the first unit of the machine. Sanforizing machines are used in shirting, bottom-weight and Denim finishing plants.
The sanfor felt also called Palmer felt, shrinking felt, zero zero felt blanket, drying felt or Sanfor blanket has mainly two purposes:
- To dry the wet fabric coming from the shrinking unit,
- To improve the fabric handle.
Dollfus & Muller felts offer the best drying, an excellent shrinkage control and a very good hand to the fabric.
Dollfus & Muller has developed special reinforced Denim Sanfor felts in order to resist longer to the chemicals used in Denim processing.
These sanforizing felts are used on the following machines : Monforts, Morrison, Brückner, Cibitex, Muzzi, Tepa, Sperotto, Dhall, Yamuna, Ronson, Swastik, Poong Kwang, Bisio, Daroitex, Paganini, Texima, Kyoto …
| Tension applied on the felt | Resistance to chemical products | Description | Quality | Characteristics | ||||
|---|---|---|---|---|---|---|---|---|
| Fibres composition | Maximum Working T° | Thickness (in mm) | Weight (g/m²) | Air Flow (CFM : Cubic Feet/min under 124 Pa) |
||||
| Pneumatic | ++ | Original quality | SYPOR 200 | 30% Acrylic/ 70% Polyester |
160°C 320°F |
2000 | 10 | |
| Pneumatic | ++ | Reinforced quality | SYPOR 240 | 30% Acrylic/ 70% Polyester |
160°C 320°F |
2400 | 8 | |
| Pneumatic | + | Recommended for the finishing of some sensitive fabrics |
SYPOR SLS 200 | 50% Wool/ 50% Polyester |
160°C 320°F |
2000 | 11 | |
| Mechanical with weights |
+++ | Reinforced quality recommended for Denim finishing |
SYPOR 233 TN | 100% Aramid | 190°C 370°F |
2300 | 11 | |
| Mechanical with weights |
++ | Reinforced quality | SYPOR 233 | 30% Acrylic/ 70% Polyester |
160°C 320°F |
2300 | 8 | |
+ Medium ++ Strong +++ Very strong