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Pyramid Packaging Inc.

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Supplier of Flexible Packaging Supplies and Equipment

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Choosing the Right Poly Bag

Poly-BagsChoosing the right poly bag (film) for your packaging application can be a confusing process. If you're not familiar with packaging films, you may think they are basically all the same but nothing could further from the truth. Poly bags come in different styles, materials, thicknesses, blends, barrier properties and available in loose pack and rolls.


Bag Types

Poly bags are also known as poly and plastic bags. They are commonly used of packaging applications. Poly is short for polyethylene which is the material they are made from. They are used for bagging foods, produce, dry goods, magazines, chemicals, and also for storage. The most popular types of poly bags are layflat, gusseted, and zip lock.

Lay flat plastic bags work great for packaging products and protecting them from dust, debris and fingerprints. These bags provide a barrier of protection during shipping and storage. As the name implies, the bag lays flat and does not expand beyond the natural elasticity of the plastic.

 

Gusset poly bags have sides that expand. The bags are made from polyethylene and come in various thicknesses (1 mil to 4 mil) and sizes for various packaging applications. They are used to package industrial, hardware, food, and healthcare related items. Gusset bags are available in loose pack and rolls. The bags are an ideal packaging solution for irregular shaped items. Since the sides expand, they will conform to the shape of your box product.

 
Zip lock bags provide secure locking zipper which provides an excellent way to keep out foreign substances that may damage a product. Due to its reclosable feature, it is easily reusable and is great way for keeping out moisture, and dust.


Poly films also come in tubing and sheeting which allows you to customize its lengths.

 
Bag Materials
Poly bags come in an array of materials that including but not limited to LDPE, HDPE, PP and PET. Variables like the films clarity, oxygen and moisture barrier rates will help decide on which film type is best for your packaging application.

Linear Low Density Polyethylene (LDPE) packaging films are inexpensive, have good clarity and often are used to package fresh produce, frozen foods and baked goods. Artwork can be added to give the product a branded and customized look.

 

High Density Polyethylene (HDPE) packaging films are found in many of the same applications as LDPE and LLDPE. It is stiffer and more rigid than other PE films. HDPE has good moisture barrier properties and is resistant to grease and oils. HDPE is often used inside a box to preserve its contents such as cereal bags or cake mixes.

 

Polypropylene (PP) films are soft, clear, have good moisture barriers and high oxygen transfer rates. PP films used as plastic food bags in bakeries, and food markets. These films are similar but less flexible than LDPE films.

 

Polyethylene Terephthalate (PET) films are durable, heat resistant films with very good oxygen barrier properties. When PET films are laminated with metal foil (MET PET), it will increase the film’s oxygen-water barrier and block out UV rays. Metallized films for flexible packaging are essential when the product requires extra protection to ensure a longer shelf life. MET PET films provide protective properties for food items requiring restricted visibility.

About Pyramid Packaging
Est. in 1968, Pyramid Packaging is a value-added supplier of flexible packaging films, equipment & services. We create value by working with clients who need help in selecting and customizing their packaging films. Pyramid Packaging can customize your plastic packaging films & barriers according to your blend, size & graphic design. Call us at 847-272-3400 or This email address is being protected from spambots. You need JavaScript enabled to view it. This email address is being protected from spambots. You need JavaScript enabled to view it.

Loveshaw's Trade-In Promotion

cs UniformLegendA Little David customer was recently interested in increasing production efficiencies and eliminating messy, water-activated tape. The facility was filling approximately 500 random size boxes per day.The process for packing and sealing the box was a manual, three step sealing process: 1. Employees hand erected boxes and applied water activated tape to the bottom. 2. Packed the box with the product and filled the case with dunnage 3. Taped the top of the box

 

The customer evaluated the existing set-up and suggested a new streamlined layout for their packing area which incorporated Loveshaw’s Legend Random. After learning about the features of the machine and Loveshaw’s Trade-In Promotion, the deal was quickly finalized. The manufacturer and employees are very pleased with the new random top and bottom adhesive tape machine which resulted in: reduced labor costs 40%, Decreased material cost by 45%, eliminated the challenges associated with water activated tape. For more information about the LoveShaw box erectors & sealers, contact Pyramid Packaging.the rig

About Pyramid Packaging
For more information about LoveShaw's box erectors & case sealers contact Pyramid Packaging at 847-272-3400 or This email address is being protected from spambots. You need JavaScript enabled to view it. This email address is being protected from spambots. You need JavaScript enabled to view it. .'; document.write(''); document.write(addy_text90190); document.write('<\/a>'); //-->\n This email address is being protected from spambots. You need JavaScript enabled to view it.