It is typically used for high-strength envelopes. 10"x13" Open End (Tamper Indicator Seal) 9"x12" Open End (Tamper Indicator Seal) 10"x15" Open End (Plain or First Class Border) 10"x13" Open End (Plain or First Class Border) 9"x12" Open End (Plain or First Class Border) Sizes of envelopes include the following and more: Visit the "Where to Buy" page to learn where you can obtain the Tyvek® envelope you need. Tyvek® can also be manufactured into custom-sized envelopes for direct mail or to meet special mailing and shipping requirements. Tyvek® envelopes are available in the same sizes as paper envelopes, ranging up to expansion styles with gussets from 1" to 5". Major overnight shippers and the United States Postal Service® choose envelopes made of Tyvek® for priority packaging because it protects important things, ensuring that they arrive in good condition. Tyvek® is also lightweight and can save on postage as well. It resists rips, punctures and moisture, providing much more protection for the contents of your envelope. This unique process does not require binders or additives, so Tyvek® can be recycled after its use.ĭuPont™ Tyvek® provides superior toughness and durability compared to heavy kraft paper and even other high-strength materials used for envelopes and packaging. The resulting sheet of material is then converted for a multitude of uses in envelopes and packaging, construction, protective garments, medical packaging, graphics, tags and labels. These fibers are flashspun, then laid as a web on a moving bed before being bonded together by heat and pressure. Tyvek® is a specialty substrate (nonwoven) made from very fine high-density polyethylene fibers. Can I recycle Tyvek® envelopes that are printed? How are Tyvek® envelopes better than ordinary envelopes?ġ1. Can I run Tyvek® Envelopes through a laser printer?ĩ. How do I know if an envelope is made of Tyvek®?Ĩ. Why do Tyvek® envelopes seal so tightly?Ħ. What sizes do Tyvek® envelopes come in?Ĥ. What are the added benefits I get from a Tyvek® envelope? Why should I buy a Tyvek® envelope versus a paper envelope?ģ.
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