Cone-bottom (also called cone-bottom or full-drain) polyethylene tanks are engineered for applications where complete sediment evacuation, batch mixing, or downstream dosing matters. The angled bottom — 15°, 22.5°, 30°, 45°, or 60° from horizontal — drives settled solids toward the centerline drain and lets you empty the vessel to a true zero residual. Our catalog covers every active SKU from Norwesco, Snyder Industries, Chem-Tainer, Enduraplas, and Bushman.
Applications
Batch mixing of fertilizers, surfactants, and process chemicals — solids settle and drain cleanly
Chemical inductor / dissolution service — dry chemical mixing into water before spray
Wastewater pre-treatment — solids drop-out and decant
Slurry storage and dewatering — sand, polymer, sediment ponds
Total-drain chemical feed for metering pumps (no dead-leg residue)
Compliance & Standards
Typically rotomolded to ASTM D1998; FDA 21 CFR 177.1520 resin compliance varies by model (see each product's Specifications). Cone bottoms must be supported by a properly rated steel stand — every cone-bottom tank is shipped with or sized for a matching stand (verify on each listing). Stand height equals cone height plus minimum 6" clearance for valve/discharge piping. Confirm working SG rating against your fluid; cone-bottom geometry concentrates head pressure at the centerline drain.
Engineering & Selection
Cone angle directly governs how cleanly your tank will drain. 15° works for free-flowing liquids only. 22.5°–30° is the sweet spot for most chemical and fertilizer service. 45°–60° is required for slurries, settled solids, or viscous fluids — anything that won't self-flow at shallower angles. Steeper cone means taller overall height and a taller stand, so verify ceiling clearance before ordering. Outlet sizing scales with intended flow rate: 2" for gravity discharge to drum, 3"–4" for pump suction or batch transfer.
Freight & Delivery
Tanks ship LTL motor freight from the closest stocking warehouse to your delivery ZIP. Typical transit 5–10 business days. Liftgate available at delivery (per-shipment fee). Always inspect at delivery and note damage on the bill of lading before signing — that is the carrier claim trigger. Bulk-order consolidation reduces per-tank freight 25–40%. Get your LTL freight quote by ZIP, or call 866-418-1777 for same-business-day quoted pricing.
Sizing & Selection
Capacity first, cone angle second, stand height third. Need help matching cone angle to your fluid? Call 866-418-1777 with your fluid, viscosity, and dosing requirements.
The 2600 Gallon 45 Degree Plastic Cone Bottom Tank from Snyder Industries is a full-drain processing vessel built for chemical service.The complete 45-degree cone discharges solids, slurries, and...
The Snyder Industries 2600 Gallon Black Heavy Duty Cone Bottom Tank is built for bulk chemical batching, mixing, and full-drain dispensing where you cannot leave product sitting on a flat floor.It...
The Enduraplas 3000 Gallon 15 Degree Plastic Vertical Cone Bottom Tank with Stand (SKU THC03000K) is built for processes that need full drainage and a tank that empties toward its outlet instead of...
The 2500 Gallon 30 Degree Crosslink Cone Bottom Tank (SKU SII-5110000N42) is a Snyder Industries cone-bottom vessel molded in cross-linked polyethylene (XLPE) and rated to 1.5 specific gravity, which...
The Snyder Industries 2500 Gallon XLPE Heavy Duty Cone Bottom Tank (SKU 8350000N42) is a 2,500-gallon crosslinked linear polyethylene (XLPE) vessel built for full-drain chemical service, rated to a 1...
The Snyder Industries 2500 Gallon XLPE Heavy Duty Cone Bottom Tank (SKU 5110000N48) is a black, crosslinked linear polyethylene cone tank built for full-drain chemical batching and storage. It holds...
The Snyder Industries 2500 Gallon XLPE Heavy Duty Cone Bottom Tank is built for full-drain chemical batching and metering where every gallon needs to leave the tank. It holds 2,500 gallons in...
The Enduraplas 2520 Gallon White Cone Bottom Tank with Stand (SKU THC02520KW) is a full-drainage vessel built for chemical batching, mixing, and dosing where you need every gallon to gravity-feed out...
The Enduraplas 2520 Gallon Black Cone Bottom Tank with Stand (SKU THC02520KB) is a full-drain polyethylene tank built for chemical storage and batch dispensing where you need the vessel to empty...
The Enduraplas 2520 Gallon Green Cone Bottom Tank with Stand (SKU THC02520KG) is a full-drain polyethylene vessel built for batch processing, mixing, and chemical dosing where you need to empty...
The Snyder Industries 3000 Gallon 30 Degree Plastic Cone Bottom Tank is a 1.9 specific-gravity-rated chemical workhorse molded from high-density linear polyethylene (HDLPE) in white, standing 120...
The Snyder Industries 5000 Gallon Cone Bottom Tank is a full-drain vessel built for bulk chemical batching, dosing, and complete-discharge service where you cannot leave product sitting on a flat...