Where To Buy Polypropylene Fabric
Polypropylene, also known as Olefin, is a synthetic thermoplastic polymer derived from oil and natural gas production. Up until the late 1950's, the gas propylene was a waste product of oil and natural gas facilities. It was not until Italian scientist, Giulio Natta, polymerized the gas propylene and made a commercially feasible plastic polypropylene. Polypropylene is then extruded through a shower head like device known as a spinneret. The spinneret creates the shape and length of threads. After the threads cool, they are spun together in various color and size combinations to make yarns. The polypropylene yarns are then woven into fabric.
where to buy polypropylene fabric
As a fiber, polypropylene is strong, fade-resistant, and inherently stain resistant. This is because polypropylene has no active dye sites after it is synthesized. If you do a search for dying polypropylene, you will find that it is impossible to dye or change the color of the polypropylene after it has been extruded. Only when polypropylene is in a hot liquid form is it able to change colors with organic and inorganic pigments. This is awesome news! Polypropylene is inherently stain resistant due to its non-dye able characteristics. This makes it ideal for upholstery and textile applications.
Thankfully, Revolution Fabrics is a domestic manufacturer and supplier of polypropylene fabric. We do not import Polypropylene from China, India, or any foreign country. We find it necessary to have a domestic polypropylene supply chain due to that fact it takes less energy to transport and produce as well as provides jobs to Americans. Our yarns are sourced less than 300 miles from our mill in Kings Mountain, NC. If your order is ever out of stock, it only takes 3 weeks to weave and ship it to you. We also offer wholesale fabric options for interior designers, upholstery professionals, and fabric stores.
The underside of an IKEA mattress got torn in a recent move. I think the underside fabric maybe unwoven polypropylene. It is like the fabric bags that are often given away with advertising on (not the canvass ones). Similar to a pillow protector but stronger. Is there anyway to repair the tear?
The mask body is formed from multiple layers of fabric (the WHO recommends 3 layers), which are designed to act as a barrier to droplets. For the outermost mask layers consider water-resistant or hydrophobic fabrics (e.g., spunbond nonwoven polypropylene). For the innermost mask layers absorbent materials such as cotton may be considered.
In this FAQ we answer questions about reusable fabric masks (nonmedical masks), including questions about mask fabrics, nonwoven polypropylene (NWPP), and mask designs. Some of the key questions answered in this FAQ are:
Polypropylene (PP) is a lightweight synthetic material that is inexpensive, durable, breathable, water resistant, and recyclable (#5). PP is generally considered non-toxic, and safe for human contact. PP is used in a broad range of applications and is available in many forms. For example, PP is available as sheets of plastic (e.g., in yogurt containers), as woven fabrics (e.g., in clothing), and as nonwoven fabrics (e.g., in masks). The type of polypropylene used in masks in nonwoven polypropylene (NWPP).
Nonwoven polypropylene (NWPP) is the most common material used in medical grade masks. Instead of being woven like cloth, NWPP is created by spinning polypropylene fibers into threads and laying them down in a porous web that is breathable, provides filtration, and is naturally water resistant. There are two different types of NWPP that are used in masks: spunbond NWPP and meltblown NWPP.
Yes. Spunbond NWPP is considered a good choice for fabric masks because it is lightweight, reusable, breathable, water-resistant, and helps with filtration. However, meltblown NWPP is not considered washable and should not be sewn into reusable masks. For more on how to identify and select NWPP for masks see: The Big Four: Criteria for Fabric Mask Materials for COVID
First, check to make sure that the fabric is made from 100% polypropylene (look for a label or tag). Next, look for the dimpled texture characteristic of spunbond nonwoven fabrics. To check that it is water resistant, flick water at the fabric, you want to see the water droplets bead up and roll off, while the inside stays dry. You also want to make sure that the material is breathable.
Spunbond nonwoven polypropylene can be upcycled from a number of different places, and can be found in bulk (i.e., by the yard) as sewing and/or crafting material. Specifics about where to buy NWPP vary regionally. Click here for our guide to Finding and Selecting Polypropylene for Washable Masks
Yes, fabric masks made from spunbond nonwoven polypropylene can be washed and reused (by the same individual). Disposable medical masks (and respirators) that contain meltblown NWPP are designed to be safely discarded after a single use, but due to ongoing shortages may be reused up to five times when safely stored (e.g., in a breathable paper bag) for at least 5 days between uses [CDC, 2020].
Avoid using bleach or alcohol on these fabrics, because those chemicals break down the properties that make NWPP a good choice. Be sure to rinse masks thoroughly to eliminate soap residues, which may alter mask properties. Do not use fabric softener as it leaves residues that may alter the properties of the fabric.
Yes. NWPP is recyclable (look for recycling #5). Check with local and regional recycling policies for details. In addition, the spunbond NWPP used in fabric masks can be washed and reused, which helps cut down on waste.
In general, the materials considered best for use in reusable fabric masks are water-resistant nonwoven fabrics (e.g., NWPP) and tightly woven cotton fabrics. For general use, MakerMask typically recommends either 3 layers of NWPP (NWPP-NWPP-NWPP), or a skin-contacting layer a hydrophilic fabric (e.g., cotton) with 2 outermost layers of NWPP (cotton-NWPP-NWPP). The NWPP layers are designed to act as barriers to droplets, which help contain the users droplets and help protect the user by preventing outside droplets from penetrating the mask [Songer, 2020]. For more information see,
NWPP has been known to melt with some irons and could damage both the mask and your iron. For this reason, we do not recommend ironing. If you do decide to iron your masks, use precautions for sensitive/delicate fabrics such as ironing on the lowest heat setting and placing a towel or other cloth between the mask and your iron.
We use gsm to describe fabrics because it can be used to describe both woven and nonwoven fabrics and it can be easily measured by scientists and home sewists alike. All you need is a kitchen scale and a ruler!
If the gsm (grams per square meter) of a given fabric is not provided by the manufacturer, it can be calculated at home using a digital kitchen scale, a ruler, and either a calculator following these three easy steps:
Our range of polypropylene fabric and rolls are made from best quality fabric and are available in a vast array of widths and constructions which make it perfect for industrial use of all kinds. Our range of sizes are mostly available from stock and are ready for a quick despatch at competitive prices. We are one of the main supplies of pp fabric within the UK and have been for many years.
Filtration is a key application of polypropylene fabric by the yard. Due to its porous nature, non-woven manufacturers supply for a range of products including diaper covers, bag linings and more. For outdoor drainage, non-woven geotextile fabric is used to drain water in large areas while keeping the soil and vegetation in place. There are several other types of non-woven fabric available here including wool non-woven fabric that is used extensively in thermal blankets and other insulating products.
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