Richmond Plastics Ltd. logo Extruding, bag making and printing. Custom 6 colour printing. Recycled and low-desnsity products.

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BAG MEASUREMENTS:


General: All bag dimensions/sizes always have WIDTH (the side that opens) as the first number.

Flat Bags: side seal, bottom seal, perforated rolls, header packs

DIMENSIONS: width x length

The WIDTH is measured across the opening of the bag.

The LENGTH is measured from the opening of the bag to its base.

All measurements refer to interior dimensions.

EG: A bag that is referred to as: 12 x 15 means that the WIDTH is 12" and the LENGTH is 15".

Flat Bags:

Flat Bag Measurements

Gusseted Bags: side or bottom gusset

A gusset is a fold on the bag that gives added depth by creating either expandable sides or bottom.

SIDE GUSSET DIMENSIONS: width x depth (side gusset) x length

BOTTOM GUSSET DIMENSIONS: width x length x depth (bottom gusset)

The WIDTH is measured across the opening of the bag.

The DEPTH is measured across the gusset (side or bottom) of the bag when the gusset is EXTENDED.

The LENGTH is measured from the opening of the bag to its base.

All measurements refer to interior dimensions.

Gusseted Bags:

Gusseted Bag Measurements

Ziplock Bags

Ziplock bags have a reclosable seal just inside the opening of the bag.

All bags have a standard 1" lip above the ziplock closure.

DIMENSIONS: Width x length

The WIDTH is measured across the opening of the bag, inside the zipper seal.

The LENGTH is is measured from the bottom of the bag to the BOTTOM of the ziplock seal.


Ziplock bags:

Ziplock Bag Measurements

Thickness

The thickness, or "gauge", of a plastic bag refers to the thickness of a single wall of the bag, generally measured in mils, or thousandths of an inch (1000 mil = 1 inch).

(Note: Bags are sometimes measured in microns (mic). To convert between mils and microns: 25.4 microns = 1 mil.)

Typical Thicknesses for Low Density Bags

Light weight bags: 0.8 - 1.25 mil
Typical uses: Produce bags. Ideal for economical coverage of lightweight products.
Standard weight bags: 1.5 mil
Typical uses: food, scratch protection, storing, display.
Medium weight commercial bags: 2.0 mil
Typical uses: foods, garments, shipping.
Heavy weight bags: 3 - 5 mil
Typical uses: parts, for shipping scuff and tear resistance
Extra-heavy weight bags: 6 - 8 mil
Typical uses: tools, metal products, total protection of heaviest products

 


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