Plastic bottle institute standards 1 trillion per year—and that’s likely an underestimate, according to a new report from Duke University scholars. For example, a size 38-430 cap has a diameter of 38 mm, & fits a container with a 430 GPI thread finish. We regularly review the publications of codes and standards to identify activities of interest to the plastics industry and we are an ANSI-accredited developer of plastics machinery safety standards. Jun 19, 2025 · Plastic coverage from Scientific American, featuring news and articles about advances in the field. 6 days ago · Plastic is everywhere in daily life in the United States, from synthetic fabrics to toys to disposable utensils, straws and bags. It Bottles Recycling – The Thai Industrial Standards Institute (TISI), under the Industry Ministry, has established new standards for food-grade plastic bags used for hot storage, cold storage, and microwaving 30-05-2024 - Archive Apr 10, 2024 · The design of a plastic bottle’s neck and screw closure is crucial for sealing, convenience, security, durability, and aesthetics. Compliance with AU-103 offers best practices, guidance, and terminology for plastic bottle packaging professionals across production and distribution. The Method of Test for Closure Torque was developed by the Plastic Bottle Institute of the Society of the Plastics Industry (Technical Bulletin PBI 7). Applies to horizontal injection molding machines that are used in the rubber and plastics industries. Plastic is a word that originally meant “pliable and easily shaped. SPI Coding System Background To facilitate correct plastic waste sorting of bottles and containers commonly found in the residential waste stream for the purposes of recycling, the SPI Resin Identification Symbol System, also known as the material container coding system, was created by The Society of Plastics Industry (SPI) in 1988. The bottle overflow and body dimensional tolerances are detailed. Their objective was to produce a common test procedure that could be used by both the producers and users of caps and bottles. Plastics Standards ASTM's plastics standards are instrumental in specifying, testing, and assessing the physical, mechanical, and chemical properties of a wide variety of materials and products that are made of plastic and its polymeric derivatives. . Plastic products are prominent in the construction, transportation, and packaging industries. The Glass Packaging Institute (GPI) and Society of the Plastics Industry (SPI) are responsible for establishing uniform standards for glass and plastic container neck finishes. plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure. ” It only recently became a name for a category of materials called polymers. Apr 25, 2023 · Affordable, durable and flexible, plastic pervades modern life, appearing in everything from packaging to clothes to beauty products. However, rapid growth in global plastic production didn’t happen until the 1950s. Their defining characteristic, plasticity, allows them to be molded, extruded, or pressed into a diverse range of solid forms. Plastics are a wide range of synthetic or semisynthetic materials composed primarily of polymers. Durable materials and quality manufacturing ensure longevity, while an Feb 25, 2025 · Understanding bottle and jar neck sizes and thread compatibility is essential for successful packaging. 297] Feb 2, 2023 · This guide will help you understand everything you need to know about bottle neck finishes, thread sizes, and dimensions. The critera that makes up these standards incorporates thread turns, distance between threads, height, top beads, & continuous vs non-continuous threads. Its preliminary recommendations helped the NRC and SPI representatives make decisions about changes to the current SPI resin identification code and to develop a timetable for Plasticpipe. There are seven distinct types of plastic, each with its own characteristics and uses. The test apparatus for determining bottle capacity consists of a balance, pipet, graduated cylinder, beaker, conditioned water, and stop watch. (SPI) Injection B151. But it is thrown away on a massive scale: every year, more than 280 million tonnes of short-lived plastic products become waste. 11. ). 8). Common closure diameters are 22-120 mm. Whether you're selecting containers from a supplier like BottleSourceCorp or designing your own packaging system, these fundamentals ensure your products remain secure, functional, and user-friendly. PLASTICS, the Plastics Industry Association, founded in 1937 as the Society of the Plastics Industry (SPI), is a nonprofit active in monitoring and developing codes and standards for the plastics industry. Sep 2, 2021 · GPI / SPI Neck Finishes Experts in glass packaging (GPI, Glass Packaging Institute) and plastic packaging (SPI, The Society of Plastics Industry) developed the guidelines for round plastic containers and closures, along with glass containers, in order to ensure consistency between the various types of packaging. 9 L (5 gal) and a maximum bottle dimension of 305 mm (12 in. While plastic is cheap for the average consumer, its impacts cost Americans $436 billion to $1. closure standards have been established by the Closure Manufacturers Association, standards for glass bottles by the Glass Packaging Institute, and for plastic bottles by ASTM International (Fig. Read now to learn more! The Technical Analysis Work Group examined systems for identifying plastic resin types and grades, looking at combinations of numbers, symbols, and letters to identify plastic resins and weighing input on those options. Nov 6, 2023 · This specification covers the thread configuration and dimensions for finishes for plastic bottles with screw-type closures. Included are tolerances for bottle capacity and The Technical Bulletin outlines voluntary guidelines for a Plastic Bottle Material Code System developed by the Plastic Bottle Institute to aid recyclers in sorting plastic bottles by resin type, thereby enhancing recycling efficiency. [Pg. Common GPI/SPI Neck Finishes The official Glass Packaging Institute is a series of voluntary standards that allow for compatibility between manufacturers and users of containers & closures. At that time, the overwhelming majority of plastic packaging The Plastics Industry Association is the only organization that represents every segment of the plastics supply chain to make members more globally competitive. S. Plastic innovations contributed to many life-saving products that revolutionized the health care industry. They are lightweight yet durable, strong yet malleable, and relatively inexpensive to produce. GPI refers to the “Glass Packaging Institute” which is responsible for establishing & issuing uniform standards regarding the types of finishes produced by American Glass Manufactures. Developed by the German Institute for Standardization (DIN) in collaboration with the European Committee for Standardization (EN), this standard plays a critical role in industries where secure and functional bottle closures are essential. American National Standards Institute (ANSI)/Society of the Plastics Industry, Inc. It details the design, application, and engraving methods for the coding system, which is intended for use on bottles of 16 ounces and larger. Nov 5, 2025 · DIN EN 14324 The DIN EN 14324 standard outlines comprehensive guidelines and procedures for testing the torque strength of plastic bottle closures. On this page, you can find all of our data, visualizations, and writing on plastic pollution. This specification covers the thread configuration and dimensions for finishes for plastic bottles with screw-type closures, having a maximum capacity of 18. Codes & Standards The Plastics Industry Association (PLASTICS) is active in monitoring and developing codes and standards for the plastics industry. 1, Horizontal injection molding machines - safety requirements for manufacture, care and use. Plastics are incredibly versatile materials that can be used to make a variety of products. Torque Guidelines of ClosuresTorque Guidelines of Closures There are several resources on the web to how to specify the threads on a screw-top jar or bottle - but none of them seem to go very deep - they tend to reference the standards of the Glass Packaging Institute (GPI) and the Society of Plastics Industy (SPI), but I get the feeling that the actual standards are not freely available on the web, if We would like to show you a description here but the site won’t allow us. Oct 31, 2025 · Plastic products are generally versatile, durable and lightweight. U. org is the Plastics Pipe Institute’s hub for technical resources, standards, and advocacy supporting sustainable plastic piping systems across construction, drainage, energy, municipal, and communications sectors. In addition, the test apparatus for determining finish and Dec 9, 2021 · Neck Finishes on Plastics Manufacturing of a plastic bottle holds the closure onto the container with protruding threads. Polymers abound in nature. May 1, 2016 · When plastic blow molding began, standard neck finish specifications developed by the glass industry were used, but subsequently the plastics industry adopted specifications developed by The Plastic Bottle Institute, a division of The Society of the Plastics Industry, Inc. The first synthetic plastic – Bakelite – was produced in 1907, marking the beginning of the global plastics industry. Precise threading alignment maintains a tight seal, preventing leaks and preserving content freshness. Smooth threading improves usability, while secure closures prevent tampering and spills. The word polymer means “of many parts,” and polymers are made of long chains of molecules. The meaning of PLASTIC is a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight and that can be made into objects, films, or filaments. dl0ps hk9q ocb pkjci rkpe j8b glo euhxoz sfji 4xns