Natural Poly (LDPE) Cleanroom Film


Natural Poly is a strong, all-purpose clean packaging film designed to balance good handling characteristics with an extremely clean surface. Available in standard thickness of .004” and .006” and custom thickness from .002” to .008”.

Natural Poly is the film used in AeroPackaging’s stock size program. Natural Poly tubing is available in widths for 2” to 60” and standard roll lengths of 500 and 1000 feet. Natural Poly Bags are available in flat sizes from 2”x2” to 36”x 80” (gusseted bags are available by custom order only). Natural Poly Centerfold Sheeting is available in the standard width of 60” and standard roll lengths of 100 and 250 feet, in 4mil and 6mil thickness.

Natural Poly is one of the lowest-cost clean room packaging films available, while still supplying the highest level of performance. Fabricated from resin that is FDA-approved for food contact. This, plus the quality processing agreements AeroPackaging has with our extruder, ensures the highest-quality films available. As a secondary barrier bag, Natural Poly is an excellent choice because of durability, strength and ease of sealing.

Physical Properties
Material Low-density polyethylene – a homopolymer of ethylene
Available As Lay-flat tubing, Centerfold Sheeting and Bags
Clarity Transparent
Thickness .004” and .006” (Standard Stock)

.002” .005” .008 (*Custom Only)


Resistance Ratings
Strong Acids D543 Good
Strong Alkalize D543 Good
Grease and Oil D722 Poor
Organic Solvents D543 Fair

* — large minimum orders and longer lead times may apply


Properties ASTM Method Units Typical Value
Density F792 g/cm 0.920
Tensile Strength (Break) MD/TD D882 PSI 2900/2300
Elongation (Break) MD/TD D882 % 325/425
Dart Impact D1709 Grams 90
Water Vapor Transmission Rate E96(B) gr-mil/100sq in/24hr@23oC 1.0-1.5
Oxygen Transmission Rate D1434 cc-mil/100sq in/24hr@25oC 500


Poly Film Comparison Chart


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