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-Molded Plastic Tanks-

Types of Molded Plastic Tanks

Vertical

Horizontal

Cone Bottom

Double Wall

Open Top

Containment Basins

Water Tanks

Specialty Water

Pharmaceutical

Miscellaneous

Types of Resins

Our molded plastic tanks are offered in four types of resins: High Density Polyethylene (HDPE), Cross-Linked High Density Polyethylene (XLPE), Polypropylene (PP) and Polyvinylidene Fluoride (PVDF). Each resin is well suited for various applications:

Material Resin

Advantages and Applications

Do Not Use With:

High Density Polyethylene (HDPE)

  • Hard, smooth finish
  • White in color
  • Good temperature resistance
  • Storing caustics
  • Metal finishing
  • Storing organic and inorganic acids
  • Water treatment
  • Dispensing lab and photo chemicals
  • Plating
  • Brine
  • Strong oxidizing agents
  • Aromatic Hydrocarbons
  • Halogenated-aliphatic hydrocarbons
  • Liquefied Petroleum gas
  • Solvents
Cross-Linked High Density Polyethylene (XLPE)
  • Suitable for many corrosives not handled by FRP
  • Natural/Yellow in color
  • Storing corrosives, including sulfuric, hydrochloric and hydrofluoric acids
  • Storing sodium hypochlorite
  • Storing organic and inorganic chemicals and compounds
  • Chemical processing
  • Storing boiler treatment chemicals
  • Water and wastewater treatment
  • Strong oxidizing agents
  • Aromatic hydrocarbons
  • Halogenated-aliphatic hydrocarbons
  • Liquefied petroleum gas
  • Solvents
Polypropylene (PP)
  • Good resistance to many organic chemicals
  • Off-White in color
  • Plating and pickling lines
  • Sanitary process tanks
  • Etch tanks for processing silicone wafers
  • Strong oxidizing agents
  • Aromatic or chlorinated hydrocarbons
  • Sub-freezing temperatures
Polyvinylidene Fluoride (PVDF)
  • Superior resistance to inorganic acids, strong oxidizing agents and halogenated compounds
  • Off-White in color
  • High-purity, does not contaminate process fluids
  • Etch tanks for processing silicone wafers
  • Ultra-pure water storage (not potable)
  • Precious metal recovery
  • Storing and processing halogenated compounds
  • Storing bleach and sulfuric acid for pulp and paper processing
  • Ketones, esters and hot, concentrated caustics
  • Nascent chlorine gas and concentrated caustic soda

Typical Properties

Material Resin

General Chemical Resistance

Stress-Crack Resistance

Max. Service Temp.

Brittleness Temp.

Impact Resistance

Can Be Welded (HotGas)

Food-Grade Acceptability Natural, Unpigmented

HDPE

Very Good

Good

140°F
60°C

-94°F
-70°C

Good

Yes

Yes
Natural
and Black

XLPE

Very Good

Excellent

140°F
60°C

-180°F
-118°C

Excellent

No

No

PP

Very Good

Excellent

220°F
104°C

32°F
0°C

Fair

Yes

Yes

PVDF

Excellent

Excellent

230°F
110°C

-40°F
-40°C

Fair

Yes

Yes