Select 350 by Oil-Dri – Silicate Adsorbent for Soap, Metals & Phospholipids
Select 350 by Oil-Dri – Silicate Adsorbent for Soap, Metals & Phospholipids - Pallet - 40 x 25 kg bags is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Bulk pricing (2+ pallets): 2–3 @ $3,749 ea • 4+ @ $3,449 ea. Live freight quotes at checkout.
| Minimum Qty | Discount |
|---|---|
| 2 + | $3,749.00 |
| 4 + | $3,449.00 |
Select 350 is a selective silicate adsorbent from Oil-Dri engineered to target soaps, trace metals, and phospholipids in edible oils and biofuel feedstocks. It is commonly used as a pretreatment step to improve oil quality and support more efficient downstream bleaching, refining, and specification compliance.
Order minimum: 2 pallets (Pallet ≈ 40 × 25 kg bags).
- Pallet — 2–3: $3,749ea • 4+: $3,449ea
Bulk packaging may be available on request. Ask for delivered pricing via contact.
Freight calculated at checkout (live LTL).
Where it fits
- Edible oils: removal of soaps, phospholipids, and metals that impact stability, color development, and refining performance.
- Biodiesel feedstocks: impurity reduction to support spec compliance and improve processing with or without water-wash systems.
- Pretreatment before bleaching: used ahead of activated clay to improve overall contaminant removal in challenging crude oils.
- Industrial oil purification: targeted cleanup where trace contaminants impact downstream performance.
Why Select 350
- Targets soaps, metals, and phospholipids that are difficult to manage with clay alone.
- Useful as a pretreatment to improve trace element removal and finished oil quality.
- Supports consistent filtration performance in common refining and pretreatment setups.
- Versatile across feedstocks used in edible oils and biofuels processing.
Typical specifications
| Product type | Selective silicate adsorbent |
|---|---|
| Free moisture | <5.0% (wt.% @ 105°C) |
| pH | 3.6 (5% solids in DI water) |
| Tamped density | 37.0 lb/ft³ (593 g/L) |
| Particle size | 62% through 325 mesh (<45 µm) |
| Packaging | Pallet ≈ 40 × 25 kg bags. Bulk packaging may be available on request. |
Values are typical. Final specifications provided on TDS/COA per lot.
Use guidance
- Start with bench trials and optimize dosage based on soap and metal targets, filtration behavior, and downstream performance.
- For pretreatment-plus-bleaching workflows, evaluate Select dose and clay dose together to balance impurity pickup and pressure rise.
- Handle and dispose of spent media per SDS and local regulations.
Freight & documentation
- Freight: Calculated at checkout with live LTL rates (liftgate and appointment selectable).
- Docs: SDS, TDS, and COA available with all orders.
Service area
- Shipping: Nationwide U.S. shipping via LTL, with live rates at checkout.
Best for:
- Industrial, commercial, and municipal buyers who need consistent supply and documentation.
- Help choosing: Tell us your process and target outcome. We’ll recommend options and typical starting points for trials.
FAQ
What does Select 350 remove?
Select 350 is designed to target soaps, trace metals, and phospholipids in edible oils and biofuel feedstocks.
When should I use Select 350 vs a bleaching clay?
Select 350 is often used as a pretreatment step to target specific impurities, then bleaching clay is used for broader color and contaminant reduction. Many processors evaluate both together to hit specs efficiently.
What is the minimum order?
The order minimum is 2 pallets. Each pallet is approximately 40 × 25 kg bags.
Is freight included in the pallet price?
No. Freight is calculated at checkout using live LTL rates. Liftgate and appointment options can be selected during checkout.
What documentation is available?
SDS, TDS, and COA are available with all orders. If you need documentation in advance, request it through our documentation page.

