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Frequently Asked Questions

Is polyester safe?

NOVAtherm: World-leading thermal and acoustic insulation
Yes. The material has no negative effect on health. It causes no itching or skin irritation. Heat-welded polyester does not release fibres into the air (which is a cause of medical concern). This is one reason why many hospitals and buildings with air-conditioning systems choose NOVAtherm and NOVAhush.
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What is Polyester?

FAQs
Polyester is synthetic/man-made resin formed by the condensation of polyhydric alcohols (alcohols containing more than one hydroxyl group) with dibasic acids (acids containing two replaceable hydrogen atoms). Polyesters are thermosetting plastics, used in making synthetic fibers, such as Dacron and Terylene, and constructional plastics. The outstanding characteristics of polyesters is their ability to resist wrinkling and to spring back into shape when creased.
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What are the benefits of polyester no-see-um mesh over other types of material?

Insect-Out Insect Barrier Clothing, Garments and Accessories...
Polyester material is flame-retardant and will not support a flame if it is exposed to fire and will not melt on the wearer. Polyester no-see-um mesh is fine enough to keep even no-see-ums and ticks from biting the wearer but still allows air to move through the mesh so that it remains cool. Polyester no-see-um mesh is rugged and durable and won't easily snag, rip or tear while in the back woods.
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Will Simply Spray work on silk or polyester?

Simply Spray will work on silk, but it will not have the same affect as it will on cotton. Simply Spray will run on silk or polyester, leaving a more tie-dyed look. So, yes, it will work, but won't be as controllable as it is on 100% cotton.
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How can I thin polyester resin? Epoxy?

FAQs: TAP Plastics
Use no more than a ratio of 10% by volume of the Styrene Monomer for thinning, as higher concentrations will degrade the resin's properties. Do NOT use with epoxy.
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Which resin should I use...epoxy or polyester?

FAQs: TAP Plastics
There are many resources within this site to help you make a choice. In particular please explore the Product Information section for numerous relevant pdfs.
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What is polyester pack cloth?

GerberGear > FAQ
Polyester pack cloth is a general term given to a variety of fabrics that fall within a given range of textures and weights. Generally, most pack cloths use between 400D and 600D yarns (see question "What is 1000D Cordura?") and are made from either nylon or polyester fibers. Pack cloth is almost always coated on the back with a water resistant coating that provides water resistance as well as structure to the fabric.
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What is the difference between Polyester and Polypropylene?

Brodart - Book Jacket Covers - FAQ
Polyester is a very strong film with high internal strength and good folding qualities; it will withstand heavy use and is very hard to puncture or tear. Polyester is available in 1.5-mil, 2-mil, or 4-mil thickness. Polypropylene is a softer, more flexible and conformable material, and is offered in a 2.5-mil thickness. Polypropylene is more economical than polyester, but does not offer the same strength or durability.
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Why would I wear polyester instead of cotton?

Menopausal Women's clothing and apparel answers during women...
Polyester is man-made and the properties can be changed. Many articles of clothing now include polyester. Fleece jackets keep you warm, raincoats repel water and wicking polyester that absorbs moisture. The threads of the polyester used for Coolfemme products have been restructured to make them wick or draw moisture away from your skin see our fabric page.
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back to top) Is there a difference between polyester and polypropylene felt?

Industrial Filter Manufacturing Limited
The difference is primarily the thermal and chemical compatibility. Traditionally the polyester is used on steel ring bags and polypropylene on the plastic flange. Our 100% polypropylene filter bag is manufactured from FDA compliant material for food grade applications. back to top) Why does my filter bag seem longer than my support basket? Filter bags are basically a two dimensional flat tube with a collar. It must fill up void spaces of a three dimensional support basket.
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Can I only print onto polyester garments?

What is Sublimation?
The sublimation ink bonds with polyester, but the garment doesn't have to be 100% polyester. We would recommend a high polyester component for best results. Sublimation t-shirts for example are cotton t-shirts with a microweave of polyester in the upper layer of the fabric to enable the inks to bond permanently and vibrantly. We do offer a paper for printing onto cotton products, but this is for use with a colour laser printer and is not the same as sublimation.
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What kinds of polyester systems are being used?

Color Center - Color Handbook - FAQ
Unsaturated polyester resins are normally dissolved in styrene monomer and are able to give films with high-build since the styrene reacts with the polyester base in the presence of a peroxide and a cobalt initiator. This reaction is due to the formation of free radicals which react on c=c bonds. High-build pigmented finishes based on these resins find use in applications such as finishes for kitchen furniture. Pigment selection must take into account reaction with peroxide.
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Cotton or Polyester? What's the difference?

Boatcovers.com - FAQ
Depending on how you plan to use your boat cover, each material we offer meets a specific need. Polyester's durability provides a great all-purpose cover if vented and is well-suited for the rigors of highway travel. The poly/cotton blends are good for boat storage and at the dock mooring. Back To Top
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What are Thermal Transfer Polyester Labels?

Labels - Frequently Asked Questions
Polyester labels are sometimes referred to Mylar and Fantastock labels. Polyester is more durable than polypropylene. Polyester labels can withstand higher temperatures and also has superior abrasion resistance when compared to polypropylene. Polyester labels are available in White and Silver Gloss finishes. Most polyester labels such as our Fantastock, are UL recognized when used with an approved UL recognized Resin ribbon such as Sony's TR4070 Resin Ribbon.
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What is the difference between Polyester and Aramid fabric?

Auction FAQ
Polyester fabric is a tightly woven fabric with excellent resistance to water/coolant with moderate heat resistance when compared to other reinforcing fabrics. Polyester reinforced hoses are typically used on intercooler pipes, intakes, TB connections and even custom cooling system applications. The temperature limitations of polyester reinforced hoses ranges from -65°F to +350°F.
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Why cotton yes and polyester no?

BODEN - Frequently Asked Questions
far as shirts is concerned, cotton is king. Is natural, is smooth and silky to the skin, breathes the best and highlights colors. A quality shirt, tie or suit can't have polyester in them.
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Q Is Coolmax® a treated polyester?

Tailwindtees Performance Apparel, Best Selection American Ma...
No, Coolmax® is not a treated polyester. The performance of Coolmax® is inherent in the fiber structure itself, thereby providing consistent performance wash after wash.
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What is the difference between polyester and cotton rope?

Polyester rope is bright white where as cotton rope is more of a beige color. Polyester rope will last longer outdoors then cotton rope. Some people say that cotton rope is more comfortable then polyester. This is largely a matter of opinion.
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Do you print on polyester or 50/50 shirts?

ECONO GRAPHICS
We prefer not to, given that 100% cotton is not only preferred by most consumers but also a heck of a lot easier to work with. Dyes used on polyester shirts have a nasty habit of sneaking into inks, which requires the use of special inks that are both more expensive and harder to use. But, if a client needs polyester shirts printed, we can do it. Yes, we print them, they cost a little more than regular shirts (though not too much more), and a wide number of colors and brands are available.
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Will the sun affect the polyester jacket?

Farm Fence FAQs - Electrobraid
No. The high-grade polyester we use is virtually unaffected by sunlight. That is why it is used for seat belts, cargo straps, parachute harness and other safety applications. Over time, the Braid™will yellow slightly but this will not reduce its strength. An independent laboratory subjected ElectroBraid? to a standard ASTM test for extreme ultra violet (UV) radiation and there was no product deterioration.
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What is your opinion of polyester canvas?

Technical, Watercolor, Misc answers, Jerry Yarnell
I am not against polyester canvas. It has a similar feel to cotton, but it is more elastic and has a tendency to not always hold its form. Plus, it has not been proven as an archival painting support. Very few art stores carry it. I just prefer a high quality medium weave cotton duck canvas.
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Why can polyester not be dyed successfully?

Lady Dye - Bringing Colour to Life
Synthetic fabrics like polyester and poly-acrylics require industrial conditions for dyeing. The dyes have a unique use, they have to be raised to very high temperatures and must subjected to pressure incompatible with home use.
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When should I use a polyester rope?

FAQ's: Hardware
Polyester twisted rope has strength similar to nylon but at the expense of a poor shock load capacity. However, it has a good resistance to abrasion and sunshine. It’s a good choice for general-purpose boating applications.
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What's The Difference Between Lycra and Polyester ?

Swim-Shop.com: Great selection of Speedo Swimwear, Speedo Sw...
Lycra (Spandex) is softer and has greater stretch capability allowing for more flexibility. Its fabric has a rubberized elastic material. This is especially important for Synchro Swimmers. However due to the rubberized elastic material Lycra tends to breakdown earlier than Polyester because the chlorine attacks the rubberized elastic material in the fabric.
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What happens to my polyester rope when it's wet?

Sterling Rope Company
Polyester is hydrophobic (literally "scared of water"). Polyester does not absorb nearly as much water as nylon and is not greatly affected by being wet.
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Is it safe?

FAQ
D-Mannose is a naturally occurring sugar. It is found in certain fruits and even produced in the body. The body doesn't metabolize the majority of the mannose when taken and instead it is passed to the urine. There it rapidly binds to the offending bacteria. No side effects have been reported. The body does not react to mannose in the way it does to most sugars.
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Revita Medispa :: Frequently asked questions
A:BOTOX Cosmetic® is very safe. It has been available for over 20 years and has been used to treat many neuromuscular disorders (even in children as young as 2 years old who have Cerebral Palsy) and has proven to be safe through many years of research and testing. It is an approved prescription drug for the treatment of wrinkles. Some patients are concerned that it BOTOX Cosmetic® can give you botulism. This is not true.
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Medifast Frequently Asked Questions. (FAQ's)
Medifast has been proven to be a very safe way for most people to lose weight. Medifast products are primarily made from soy, along with significant amounts of vitamins and minerals. By following specific protocols, you can safely use Medifast even if you have high blood pressure, high cholesterol or triglycerides, or adult-onset diabetes, including if you are insulin dependent. Over the past 20 years, Medifast has been recommended by the over 15,000 physicians.
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Quit Smoking Stop Smoking - Frequently Asked Questions
Yes, we test them for any bacteria and irradiate every package to ensure every package is 100% safe. They are made of all natural ingredients and contain no tar or nicotine.
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