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Use the resin selection guide* below to compare the physical and chemical properties of the plastics used in our tanks, and to determine which of the resins is best suited to your application. For applications where a plastic resin is not suitable, select one of our stainless steel tanks.
Please note that both operating conditions and type of chemical can decrease maximum service temperature. Continuous service temperatures in ranges above ambient can affect tanks in at least two ways: (1) the useful life of the tank may be shortened; and (2) the ability of the container to maintain its shape may decrease, perhaps resulting in distortion.
CAUTION: The chemical resistance charts found in the "Chemical Resistance Charts" section should not be used for tank selection—use the resin selection guide here. Factors such as mechanical stress, high temperatures, and extended use tend to intensify the effects of chemicals on a tank. Since the chemical resistance charts are based on regular laboratory use, they are not valid for heavy-duty or industrial applications. If you are uncertain about your application, call our Application Specialists at 1-800-323-4340 for assistance.
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|High-density polyethylene (HDPE)|| Cross-linked high-density |
|General chemical resistance||Very good||Very good||Very good||Very good|
|Maximum service temperature||140°F/60°C||150°F/65°C||150°F/65°C||220°F/104°C|
|Stress-crack resistance||Very good||Good||Excellent||Excellent|
|Easy to clean||Very good||Very good||Very good||Good|
|Can be welded (hot gas)||Yes||Yes||No||Yes|
|FDA compliant(complies with USDA 177.1520)||Yes||Yes||No||Yes|
|Advantages|| || || || |
|Applications|| || || || |
|Do not use with:|| || || || |
*Reprinted with permission of Nalge Company
1Brittleness temperature per ASTM test D-746
2Impact resistance of most rotomold tanks declines at freezing temperatures