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Dupont Tyvek Users Manual

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Dupont Tyvek Users Manual DuPont™ Tyvek® Users Manual Legendary Strength + Distinctive Appearance = Outstanding Results. This handbook shows you how. TABLE OF CONTENTS To quickly find out the DuPont™ Tyvek® information you need, go to the correct page number or click on the appropriate heading. PAGE PAGE 1 DuPont™ Tyvek®. A graphic improvement. 8 Your printing has never looked so good. DuPont™ Tyvek® spunbonded olefin. The substrate of Memorable color quality and a distinctive texture. choice for memorable graphics, superior strength, Design/prepress tips and a unique texture. 9 Printability characteristics 2 You name it, there’s a DuPont™ Tyvek® 10 Offset lithography designed to do it. 11 Four-color process printing Polyethylene fibers in “hard” and “soft” structure 12 Printing pressure-sensitive Tyvek® types. Envelope imprinting Corona and antistatic treatments improve Heat-set web offset adhesion, printability, and handling. 13 Flexography 14 Gravure 4 What’s so special about DuPont™ Tyvek®? Ink-jet printing DuPont™ Tyvek® instead of paper, synthetic films, Screen process and fabric. Laser printing (non-impact) Outstanding chemical resistance Thermal transfer Good dimensional stability Direct thermal printing Meets FDA requirements Dot matrix printing Unique flammability 15 Digital (On-Demand) Printing Remarkable flexibility Offset lithographic inks Low-linting 16 Metallic lithographic inks 5 Lightweight and strong UV-cure inks Superior moisture resistance 17 Infrared-cure inks Withstands deformation Screen process inks High opacity 18 Flexographic inks Whiteness Gravure inks Porosity Gloss and color matching Rot and mildew resistance 19 Color stability Soiling resistance Litho ink test Neutral pH Ink manufacturers 6 Static considerations Temperature impact UV resistance Solvent resistance (Continued on next page) 7 Solvent compatibility testing Toxicity MSDS TABLE OF CONTENTS PAGE PAGE 20 Your applications have never been in better 29 Problems? Solutions. shape. Customer service is always available. How to use DuPont™ Tyvek® for converting. Roll defects 21 Slitting, sheeting & cutting Wrinkles or creases Die-cutting Canceling jobs 22 Continuous applications 30 Right where you want it. Punching Perforating Suppliers are everywhere you want them. Laminating/coating Contents labels 23 Dyeing Technical guidelines Sealing Gluing 31 Resistance to salt solutions 24 Embossing and foil stamping 32 Resistance to oxidizing and reducing agents Sewing 25 Identification of corona and antistatic treatment 33 Resistance to organic solvents 26 DuPont™ Tyvek®. Compared to paper, there’s 34 Resistance to inorganic chemicals just no comparison. 35 Resistance to swelling effect of solvents Benefits of using DuPont™ Tyvek® instead of paper. 27 Less space, less weight, more convenience. Maintaining your supply of DuPont™ Tyvek®. 28 Good for what you do. Good for where you do it. DuPont™ Tyvek® helps protect the environment. Source reduction and material minimization Recycling Waste-to-energy incineration Landfilling INTRODUCTION DuPont™ Tyvek®. A Graphic Improvement. Do more. Do it better. Do it for less. That’s what happens when you make DuPont™ Tyvek® the substrate of choice for all your printing that calls for memorable graphics, unique strength, a distinctive texture—and an affordable way to achieve them. DuPont™ Tyvek® is a spunbonded olefin family of tough, durable products that are stronger than paper and more cost-effective and versatile than fabrics. Made from high-density polyethylene fibers, it is an extremely versatile material, offering a balance of physical characteristics that combine the best properties of paper, film and cloth. Spunbonded olefin is formed by a continuous process creating very fine 0.5-10 micron fibers. (For comparison, a human hair is about 75 microns in cross section.) These non-directional fibers are first spun and then bonded together by heat and pressure, without binders. Both Tyvek® and Tyvek® Brillion® are strong, lightweight, flexible, smooth, low-linting, opaque and resistant to water, chemicals, abrasion and aging. Their unique combination of properties makes the Tyvek® brands of protective materials ideal for a broad range of applications. DuPont™ Tyvek® Brillion® is also a spunbonded olefin, in this case flash spun from high-density polyethylene. That creates small-diameter fibers which are then thermally calendered by heat and pressure for a tough, durable sheet structure with excellent tensile and tear strength. This unique manufacturing process results in a substrate with a high degree of whiteness, superior smoothness, and excellent bar code readability. Known for its high degree of whiteness and ultra-smooth surface, Tyvek® Brillion® affords excellent bar code readability. 1 “HARD” AND “SOFT” STRUCTURE TYPE You name it, there’s a DuPont™ Tyvek® designed to do it. DuPont™ Tyvek® is very fine polyethylene fibers (seven times finer, in fact, than human hair) bonded by heat and pressure to create a printing substrate that isn’t paper, fabric, or film, but combines the best properties of all three. It is produced in “hard” and “soft” structure types. Products beginning with a 10 are “hard” structure products. For instance, Tyvek® 1056D is a hard structure. These products are considered “hard,” as they are smooth, stiff, non-directional paper-like substrates with good printability. These products are available in various basis weights or calibers. Type 10 Type 14 Paper-like Fabric-like Hard Structure Soft Structure Smooth Pattern Embossed Pattern Stiff Flexible Tyvek® styles beginning with a 14 are “soft” structures. An example of a soft structure product is Tyvek® 1443R. These are lightly bonded products with an embossed pattern, providing a softer fabric-like flexible substrate with tear resistance. Like Type 10, they have high opacity, excellent whiteness and good surface stability. Sewing, gluing, and, to a limited extent, ultrasonic seaming and heat sealing may be used in fabricating materials using these styles. These styles can be printed, but are more demanding than hard structures. Soft structure styles beginning with a 14, or Type 14, are used where barrier, durability and breathability are required. They offer excellent splash and dry protection against particulate matter and provide an excellent bacterial barrier. The unique low-linting properties, combined with the barrier properties, make Type 14 an excellent material for cleanroom apparel in pharmaceutical manufacture and electronic device assembly. CORONA AND ANTISTATIC TREATMENTS IMPROVE ADHESION, PRINTABILITY AND HANDLING Tyvek® products used in printing are corona treated to improve ink and coating adhesion. This electronic charging of the sheet oxidizes the surface and increases the wettability to inks, coatings and adhesives. Unlike other products, which require additional corona treatments, our treatment lasts more than 20 years. 2 To reduce the buildup of static electricity during sheet and roll handling operations, some styles are coated with a proprietary antistatic agent. Tyvek® used in sterile medical device packaging and in direct food contact applications are neither corona nor antistatic treated. These products end in the letter B, such as Tyvek® 1059B. DuPont™ Tyvek® is extremely popular for tags and labels. It makes them stronger so they last longer, easier to see, more comfortable to wear and better able to stand up to the elements. 3 PRODUCT PROPERTIES What’s so special about DuPont™ Tyvek® ? DuPont™ Tyvek® gives a more distinctive look to anything you print than common paper ever could. It feels more natural and has far better flat, precision folding qualities than synthetic films. And although it isn’t a fabric, it can easily function as one. In fact, the physical properties common to both types of DuPont™ Tyvek® make them ideal substrates for most of your printing and converting applications. OUTSTANDING CHEMICAL RESISTANCE Tyvek® products are inert to most acids, bases and salts. Prolonged exposure to oxidizing substances, such as concentrated nitric acid or sodium per sulfate, will cause some loss of strength. Resistance to various compounds are summarized in the tables on pages 30-34. GOOD DIMENSIONAL STABILITY Sheet dimensions change less than 0.01% between 0 and 100% relative humidity at constant temperature. MEETS FDA REQUIREMENTS Tyvek® 1059B meets the requirements of Title 21 of the United States Code of Federal Regulations (21 CFR 177.1520) for direct food contact applications (such as food packaging; desiccant, de-oxidizing agent or other “active packaging”; and direct contact labels) where the temperatures do not exceed 212˚F (100˚C). UNIQUE FLAMMABILITY The flammability characteristics of Tyvek® are similar to those of most synthetic fibers. When exposed to a flame, Tyvek® shrinks away rapidly. It will melt at 275˚F (135˚C), and its auto-ignition temperature is 750˚F (400˚C). Please refer to the MSDS (Material Safety Data Sheet) for additional information on the characteristics of Tyvek® brand of protective materials. Hard structure products are rated class “A” when tested in accordance with ASTM E-84-89a, a test for flame and smoke development. Soft structure products are rated “Class 1—Normal Flammability” by the Federal Flammable Fabrics Act for Clothing Textiles (16 CFR-1610). Tyvek® with flame-retardant coatings are available through distributors. REMARKABLE FLEXIBILITY Tyvek® brand of protective materials has outstanding flexibility and does exceed 20,000 folding cycles when tested on an MIT flex tester (TAPPI method
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