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Chemical Compatibility Guide

Comprehensive material resistance ratings for storage tank applications

Material Selection Guide

This comprehensive guide provides chemical resistance information for our tank materials including HDPE, XLPE, Fiberglass (FRP), Carbon Steel, and Stainless Steel. Always consult with our technical team for specific applications, concentrations, and temperature requirements.

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Temperature Considerations

All ratings are based on ambient temperature (73°F/23°C). Higher temperatures may significantly affect chemical compatibility. Maximum continuous use temperatures: HDPE/XLPE: 140°F (60°C), FRP: 200°F (93°C), Steel: Varies by coating.

Chemical Resistance Rating System

A
Excellent

No attack, suitable for continuous use

B
Good

Minor attack, suitable for intermittent use

C
Fair

Moderate attack, limited use only

D
Not Recommended

Severe attack, unsuitable

NR
No Data

Consult manufacturer

Quick Search & Filter

Chemical (Concentration) HDPE XLPE FRP Carbon Steel Stainless 316
Acetic Acid (10%) A A A C A
Acetic Acid (Glacial) B A B D B
Citric Acid (All) A A A C A
Hydrochloric Acid (10%) A A A D B
Hydrochloric Acid (37%) A A A D C
Nitric Acid (10%) A A A D A
Nitric Acid (68%) C C B D B
Phosphoric Acid (85%) A A A C A
Sulfuric Acid (30%) A A A D B
Sulfuric Acid (98%) A A B D C
Ammonia Solution (All) A A A B A
Potassium Hydroxide (50%) A A B B A
Sodium Hydroxide (50%) A A B B A
Sodium Hypochlorite (12.5%) A A A D B
Acetone (100%) C B B A A
Ethanol (100%) A A A A A
Isopropyl Alcohol (100%) A A A A A
Methanol (100%) A A A A A
Crude Oil A A A A A
Diesel Fuel B A A A A
Gasoline C B A A A
Hydraulic Oil A A A A A
Motor Oil A A A A A
Aluminum Sulfate (Sat.) A A A B A
Ferric Chloride (Sat.) A A A D C
Sodium Chloride (Brine) A A A C A
Corn Syrup A A A A A
Milk A A A B A
Vegetable Oil A A A A A
Vinegar A A A C A
Water (All Types) A A A A A
Ammonium Nitrate (All) A A A B A
Fertilizer Solutions A A A B A
Glyphosate A A A B A
Urea Solution (50%) A A A A A
Antifreeze (Ethylene Glycol) A A A A A
DEF (Diesel Exhaust Fluid) A A A B A
Hydrogen Peroxide (30%) A A B C A

Tank Material Specifications

HDPE (High-Density Polyethylene)

Most versatile and economical choice for general storage applications. FDA approved for potable water.

  • Max Temp: 140°F (60°C)
  • Specific Gravity: Up to 1.9
  • UV Resistance: Excellent
  • Best For: Water, most chemicals

XLPE (Cross-Linked Polyethylene)

Superior chemical resistance compared to HDPE. Ideal for aggressive chemicals and higher temperatures.

  • Max Temp: 140°F (60°C)
  • Specific Gravity: Up to 1.9
  • UV Resistance: Excellent
  • Best For: Harsh chemicals

FRP (Fiberglass)

Excellent for high-temperature applications and custom configurations. Highly customizable design.

  • Max Temp: 200°F (93°C)
  • Specific Gravity: Up to 2.0
  • UV Resistance: Good
  • Best For: High temps, custom

Carbon Steel

Traditional choice for petroleum products and non-corrosive liquids. Requires coating for many applications.

  • Max Temp: 500°F (260°C)
  • Specific Gravity: No limit
  • UV Resistance: N/A
  • Best For: Oil, fuel

Stainless Steel 316

Premium material for food, pharmaceutical, and corrosive applications. Excellent durability.

  • Max Temp: 1000°F (538°C)
  • Specific Gravity: No limit
  • UV Resistance: Excellent
  • Best For: Food, pharma

⚠️ Important Considerations

  • Chemical concentrations and temperatures significantly affect compatibility ratings. Always verify specific conditions with our technical team.
  • For chemicals not listed, or for mixtures of chemicals, please contact our technical support for specific recommendations.
  • Consider secondary containment for all hazardous chemical storage applications.
  • Some chemicals may require special gaskets, fittings, or tank modifications for safe storage.
  • Regular inspections are recommended for all chemical storage applications, especially with aggressive chemicals.
  • Specific gravity limitations must be considered when selecting tank wall thickness.
  • UV stabilization may be required for outdoor installations, especially with certain chemicals.
  • Always follow local, state, and federal regulations for chemical storage.

Download Complete Guide

Get the full chemical compatibility guide with over 300 chemicals

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