DuraFlow Porous Belting (27 Series)

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DuraFlow Porous Belting (27 Series)
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Product Code: DURJ144

Description The DuraFlow® Porous Belts are specially formulated to be "breathable," while at the same time, maintaining their unique non-stick properties. These belts are manufactured from woven fiberglass substrates that have been lightly coated with PTFE (Fluon®). The DuraFlow® Porous Belts possess controlled porosities that allow products to cure and outgas through the fabric. These unique properties make these belts ideal for a wide variety of applications from the manufacture of sponge and foams to the manufacture of wood laminates.

DuraFlow® PTFE Coated Belt Characteristics


DuraFlow® Belts are engineered to retain the distinctive properties of PTFE; however, by adding a glass fabric to the matrix, AFC is able to obtain the added benefits of dimensional stability, excellent tensile strength and extremely low elongation (<1%). DuraFlow® Belts have received USDA approval for food processing and handling, and are FDA compliant (21 CFR177.1550). In addition, the DuraFlow® belts can operate in temperatures from -400°F (-240°C) under static conditions and -100°F (-73°C) under dynamic conditions up to 550°F (288°C).

Typical Applications

 


Packaging:
Shrink packaging
Bundling

Food Products:
Baking and cooking of bakery goods
    and confectionary
Cooking and grilling of meat,
    poultry, fish and vegetables
Cryogenic/flash freezing of meat,
    poultry, fish and vegetables

Printing and Textiles:
Processing of natural, synthetic,
    woven, non-woven, and knitting
    fabrics
Drying and curing of screen printed
    paper, metal, glass, wood, plastic,
    and textiles
Heat setting of synthetic yarn


Polymer Processing:
Curing and drying of rubber, sponge,
    foams, and polyurethane glues

Building Products:
Vacuum processing of laminates
   
Other:
Curing and drying of varnish
Manufacture of paint chips
Processing of printed circuit boards

Additional applications exist. Contact AFC for more specific information.
   

Styles Available


Product
ID

Nominal
Thickness

Weight
(lbs/sq yd)

Tensile*
(lbs/in. of width)

Edge Tear
Warp (grams)

Edge Tear
Fill (grams)

Recommended
Min. Pulley Dia.

Maximum
Widths (in.)

27-03 .003" 0.13 32 380 250 3" 80
27-05 .005" 0.26 112 800 700 3" 80
27-10 .010" 0.48 160 1400 1100 3" 80
27-14 .014" 0.7 232 3700 3200 6" 80
27-25 .025" 1.3 472 >6400 >6400 8" 60
27-28 .028" Proprietary Proprietary >6400 >6400 10" 141
27-33 .033" Proprietary Proprietary >6400 >6400 10" 141
27-38 .038" 1.9 640 >6400 >6400 10" 60


Please note: Additional thickness and styles available upon special order and lead times may vary for different styles and widths.
 

Please Call Us To order the specific size belt for your application.

*Disclaimer: All figures provided in the above table are based upon ASTM D 4969-97, the Standard Specification for Polytetrafluoroethylene (PTFE) Coated Glass Fabric. The above PIW values are based upon the ASTM D828 test method and are not actual values of AFC’s materials. The above tensile values are 80% of the figures provided in Table 6 of specification D579. AFC states that its actual tensile will be greater than the above material specification and that actual tensile values will be provided upon request. Edge Tear values are based upon ASTM D1424 (Elmendorf Tearing Test) and are average values that can vary.


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