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Factors You Have To Be Informed On Polyethylene Packaging 101

Resins... Film thickness... Tensile strength... Impact resistance... What do many of these terms mean for your requirements when selecting your polyethylene bags?

Unless you are a poly salesman or have a qualification in Plastics Engineering, the terminology employed in the industry probably makes your brain spin. To assist you, we've created Polyethylene Packaging 101.

Resins (Defined as: Any one numerous physically similar polymerized synthetics or chemically modified natural resins including thermoplastic materials including polyvinyl, polystyrene, and polyethylene and thermosetting materials such as polyesters, epoxies, and silicones which can be used in combination with fillers, stabilizers, pigments, as well as other components to create plastics.)

Some find it overwhelming because of the different resins available nowadays. You can view choose when you have octene, metalocene, butene, hexene, etc... An experienced sales agent can help know what grade to utilize. Each grade has different characteristics and choices needs to be based on applications. Understanding resin properties is crucial in formulating the correct product to your specific application.

Film Thickness (Gauge)

Polyethylene film thickness is measured by thousandths of an inch, or milli-inch. The thickness in the bag doesn't invariably correlate into strength. Huge gauge bag might not be strong. Frequently it's a combination of resin grade and gauge in accordance with the application form. A 2 mil octene linear bag can have more strength when compared to a 2 mil butene linear.

Tensile Strength vs. Impact Resistance

Tensile strength could be the maximum stress a material can withstand while being stretched or pulled before breaking. Why is this important?
It's important to possess a plastic bag that's sufficiently strong for the application. A plastic bag that holds 50 pounds of fabric must have adequate tensile strength, otherwise the bag can be breaking.

Impact resistance can be a material's power to resist shock loading. What does this implies?
Basically oahu is the film's capability to resist being punctured. A punctured bag could lead to contaminated goods or product loss.

When scouting for the proper gauge and resin formula you will need to consider how tensile strength and impact resistance are highly relevant to your packaging application. A good example that everyone can correspond with is really a garbage bag. I believe they have got had failure in the garbage bag whether or not it breaks when lifting out of the can (tensile strength) or waste elements punctures holes within it (impact resistance). With all of these variables in choosing the right formula for the polyethylene package, using a knowledgeable salesman is important.

Who knew there were much to learn about making Polyethylene "Film and Bags"!?!

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