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Trash Can Liner Guide
Interpreting the Language of Trash Can Liners
When buying trash can liners, it is important to know which trash can liners will work best
for your application. Supply Hero has listed a few tips and key terms that will help you make a
more informed decision.
Material Makeup:
Resin is the basic raw material used in manufacturing trash can liners. The two basic types of
resins utilized in trash can liner manufacturing are High Density and Linear Low Density.
High Density Trash Can Liners
High Density liners are made from high molecular density resins. High density trash can liners
are great for the office, washroom or any other type of trash that does not include sharp edges.
High density liners are also less expensive per unit than low density trash can liners.
Linear Low Density Trash Can Liners
Low Density liners are made from high quality resins that are highly resistant to puncturing and tearing.
The exceptional strength and stretch properties of Linear Low Density liners make them perfect for restaurant / kitchen
trash that may include glass or sharp, jagged edged objects.
Gauge
Gauge is a term used in the trash can liner industry to describe the thickness of a liner.
Low Density liners are typically measured in mils, while High Density liners are generally measured in microns.
Mil
A mil is a measurement based on a thousandth of an inch (.001). As an example, a .55mil bag would be
55 thousandths of an inch thick. Linear Low Density trash can liners will commonly range from .30 to 2.0 mils.
Micron
A micron is a measurement based on one hundred thousandths of an inch (.00001). High Density trash can liners range from 6 to 22 microns.
Trash Can Liner Formulas
To Convert Microns to Mils: divide the micron by 25.4 to arrive at a true mil thickness. (9 micron / 25.4 = 35 mil)
To Convert Mils to Microns: multiply the mil by 25.4 to arrive at a true micron thickness. (35 mil x 25.4 = 9 micron)
Types of Seals
Star Seal
Star Seal trash bags are manufactured by folding the bottom of the trash can liner over several times and then sealing it.
These trash bags will virtually eliminate leaks. They also conform better to the shape of the waste receptacle by spreading
refuse around the trash can liner.
Gusset Seal
Gusset Seal trash bags are a flat style trash can liner that is manufactured with both sides tucked in to form gussets.
The outer edges of the trash bags where there are indentations is sealed with four layers of film,
while the middle are sealed with only two layers. Trash bags made with gussets have a tendency to leak with wet trash.
Flat Seal
Flat Seal trash bags are manufactured by simply sealing the bottom edge. Trash bags made with this type of seal are somewhat
leak-proof and do not compromise the length of the trash can liner. Trash bags made with a flat seal do not conform well to the waste receptacle, making them difficult to utilize.
Step 1: Determine the proper can liner for your application
Advantages of Linear Low Density (LLD) Trash Can Liner Advantages:
LLD can liners have superior stretch properties making them highly puncture and tear resistant
LLD trash bags are an excellent choice for waste with sharp and jagged edges
LLD trash bags strength and stretch properties make them a great multi-purpose can liner
High Density (HD) Trash Can Liner Advantages:
HD trash trash bags are an excellent economical choice for heavy, wet trash and soft refuse as long as there are no sharp or irregular shaped objects
HD trash can liners have a superior vapor and moisture protections, and are USDA and FDA approved for food use
HD trash bags have smaller, lighter cases, which lower freight, storage and warehousing costs
HD trash can liners are more temperature resistant (-40 degrees to +212 degrees)
Step 2: What size trash bag do I need?
Each container should have a gallon capacity, or size printed on it. Just match the picture to your receptacle and it will tell you which size trash bag you need.
Bag Width:To calculate the proper width of the trash can liner for your container, simply divide the circumference of your container by 2
Square Container Circumference: Circumference = sum of all four sides added together.
Round Container Circumference: Circumference = diameter multiplied by 3.14 (pi)
Bag length: (round & square containers) Add the height of the container, plus 4-5 inches for overhang.
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