BLUE SKY TECHNOLOGY  CO.,Ltd

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Polypropylene (PP) Needle Felts

Using the finest fiber material on the market and state-of-the-art needling equipment, HL Filter manufactures a full range of Polypropylene (PP) needle punched filter media possessing high flow capacity and good retention properties at micron-ratings from 0.5 to 200 µm. Our PP media can be used for a wide variety of applications and are characterized by their outstanding resistance to chemicals and hydrolysis.
Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.
  • Product Details

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Features & Benefits

Available medias range from 0.5-200 µ 

Surface treatments available:  signed and/or glazed to reduce the possibility of migration

Polypropylene felt is used for general applications where chemical and moisture attacks other fibers 

Polypropylenes offer high strength, excellent resistance to most acids and alkalis

Smoothness of fibers allows good cake release and resistance to blinding. Moisture absorption is virtually non-existent

Excellent resistance to both mineral and organic acids and alkalis with the exception of sodium and potassium hydroxide above 110degrees

Fair resistance to most oxidizing agents

Excellent resistance to most organic solvents with the exception of ketones, esters, and chlorinated hydrocarbons

Continuous operating temperature 194oF (90°C)


Specifications

Part NumberMicron Rating
Weight
oz/yd²±5% (g/m2±5%)
Thickness
   In±0.004 (mm±0.1)

Air Permeability
 CFM @ ½" W.G 125PA ±25%
(L/dm2min @ 200PA ±25%)
Tensile Strength
 lb/in±25 (N/5CM±25%)
Max. Operating Temperature Continuous/Surge oF (oC)
Warp MDWeft CD
PP-01114.01 (475)0.106 (2.7)32(156)69 (600)91 (800)194/230 (90/110)
PP-05513.17 (450)0.095(2.4)55(270)57 (500)69 (600)194/230 (90/110)
PP-101010.91 (370)0.091(2.3)80(390)57 (500)69 (600)194/230 (90/110)
PP-252510.62 (360)0.091(2.3)123(600)57 (500)69 (600)194/230 (90/110)
PP-505010.32 (350)0.091(2.3)160(780)57 (500)69 (600)194/230 (90/110)
PP-757510.32 (350)0.091(2.3)172(840)57 (500)69 (600)194/230 (90/110)
PP-1001009.73 (3300.091(2.3)252(1230)46 (400)57 (500)194/230 (90/110)
PP-1501509.73 (3300.091(2.3)283(1380)46 (400)57 (500)194/230 (90/110)
PP-2002009.44 (320)0.091(2.3)320(1560)69 (600)103 (900)194/230 (90/110)
Further technical data, modified surface treatments, and other micron ratings are available on request

Self-supported felts are standard. Scrim-supported felts are available on request



Applications

Automotive

Chemicals

Electronics

Petrochemical

Lubricating Oil

Paints and Coatings

Resins, Adhesives, and Inks

Toiletries and Cosmetics

Pharmaceuticals

Food and Beverages

Metalworking

Water treatment 

Custom OEM Applications


Ordering Information

Length and width: customized on request



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