dar-tech provides resins, surfactants, dispersants, waxes, specialty clays and functional minerals for use in seed coatings, soil conditioning, and fertilizers.

Additives
AFCONA Additives Inc.
- A-4595, A-5210, and A-6226 – Dispersants for pigments, minerals and other fillers and LP10101 – Defoamer
Huber Engineered Materials
- Pergopak M - Polymethyl urea resin particles with reactive methylol groups for use as a carrier for active ingredients
Micro Powders, Inc.
- AquaKlean 418, MicroKlear 116, MicroKlear 295, MicroKlear 418, MP Series, NatureFine R331, NatureFine H325 and NatureMatte 31 - Natural and biodegradable waxes
PPG Silica Products
- Hi-Sil 213, Hi-Sil LPC, Hi-Sil SAC, Hi-Sil ABS and Hi-Sil 233 silica carriers and anti-caking agents, precipitated silica
Functional Minerals
Burgess Pigment Company
- Burgess No. 20, No. 20SD, No. 27 and Thermo-Glace + hydrous kaolin clays
Covia
- HIFILL® Calcium Carbonate
Magris Talc
- EZ Flow MT, Vertal 92, Vertal 97, Silverline 002 and Grade TC-100 talc
Sibelco
- PORTAFILL H10 magnesium carbonate, Soilfeed Silva
Southeastern Performance Minerals, LLC
- CD 3200 & SG 70 muscovite micas
Tolsa
- Mincrop FF & FG, Mincrop S400, Mincrop 30/60- Sepiolites, Mincrop G63
Resins
Kuraray America, Inc.
- POVAL 22-88 and EXCEVAL RS-2117 PVOH resins