Custom Toll Processing

At CHEM Group, much of what we do takes place early on in the process when customers just like you develop new products, conduct laboratory trials, demonstrate proof of concept, produce samples for customer evaluation, and ultimately develop plans for full-scale commercialization. Toll processing allows you to leverage our specialized equipment and expertise while maintaining ownership of your materials and proprietary formulations.

Woman in lab coat pouring brown chemical into a glass beaker.

Unparalleled Customized Chemical Services

CHEM Group delivers customized chemistry solutions for a variety of applications. We partner with customers across diverse industries to provide fee-based processing services using our specialized equipment.

  • Full Material Sourcing
  • Turnkey Production
  • Supply Chain Management
  • Quality Control & Testing
  • Process Optimization
  • Regulatory Compliance
  • Aromatic Oils & Pitch
  • Custom Formulations

The Custom Manufacturing Process at a Glance

A chemical transport tanker being filled up.

Material Receipt & Assessment

You ship your raw materials to our facility. We receive, inspect, and safely store your materials until processing begins. Our team reviews your specifications and develops an optimized processing plan tailored to your requirements.

Man in lab coat and safety helmet in industrial facility looking at reports.

Process Planning & Setup

Our engineers review your specifications and configure our equipment for your specific processing needs. We optimize parameters to ensure efficient processing while maintaining product quality and meeting your timeline.

A man examining a red chemical in a glass jar.

Processing & Transformation

Your materials are processed using our specialized equipment — distillation, blending, separation, purification, or other operations as specified. You maintain ownership of your materials throughout the entire process.

woman examining chemicals under a microscope.

Quality Testing & Documentation

Rigorous quality control testing ensures your processed materials meet all specifications before release. We provide complete batch documentation, certificates of analysis, and traceability records for your records.

black drums for chemical storage

Packaging & Return Shipment

Finished products are packaged according to your specifications and shipped back to you or directly to your customers. We coordinate logistics to ensure safe, timely delivery of your processed materials.

Some of Our Process Capabilities

Processing is what we do best. Our team brings decades of experience across a wide range of chemical transformations.

  • Distillation
  • Short Path Distillation
  • Fractionation
  • Blending
  • Formulation
  • Carbon Filtration
  • Heat Transfer Processing
  • Solvent Recovery
  • Vacuum Distillation
  • Product Purification
  • Drying & Heating
  • Custom Processing

Materials We Process

From purification to re-refining, reclamation to custom processing — CHEM Group has the resources and expertise to deliver innovative solutions for a wide range of materials.

  • Distillation
  • Short Path Distillation
  • Fractionation
  • Blending
  • Formulation
  • Carbon Filtration
  • Heat Transfer Processing
  • Solvent Recovery
  • Vacuum Distillation
  • Product Purification
  • Drying & Heating
  • Custom Processing

Heat Transfer Fluids

Over time, all heat transfer fluids degrade — viscosity rises, efficiency declines, and residues build up. We remove contaminants responsible for degraded performance and return reclaimed fluid that dramatically extends use-life.

  • Synthetic HTFs
  • Mineral Oil-Based HTFs
  • Silicone Fluids
  • Aromatic Fluids

Fluids & Oils

We offer distillation-based reclamation that returns contaminated fluids to virgin specifications without thermal degradation and without removing performance-enhancing additives.

  • Rolling Oils
  • Hydraulic Fluids
  • Cutting Oils
  • Lubricants

Industrial Chemicals

We have expertise in the separation of numerous specialty and industrial chemicals, especially those that benefit from processing in short path distillation equipment.

  • Alcohols
  • Glycols & Glycol Ethers
  • Glycol Esters
  • Phosphate Esters
  • Mineral Spirits
  • Specialty Solvents

Specialty Processing

Custom processing solutions for unique materials and applications.

  • Catalyst Recovery
  • Glycol Bottoms
  • Polymeric Materials
  • Agricultural Chemicals
Industrial equipment ready for Toll Manufacturing

Multi-Purpose Production Equipment

CHEM Group provides versatile equipment tailored to your specific processing needs, with the ability to scale operations from lab development to full commercial volumes.

Process Equipment

Reactors

  • Stainless Steel Reactors
  • Various Capacities

Distillation

  • Short Path Units
  • Vacuum Systems
  • Fractional Columns

Blending

  • Mix Tanks
  • Agitators
  • Homogenizers

Support Equipment

Heat Transfer

  • Heating Systems
  • Cooling Systems
  • Temperature Control

Storage

  • Bulk Tanks
  • Drum Storage
  • Climate Control

Packaging

  • Drum Filling
  • Tote Systems
  • Bulk Loading

Utilities

  • Steam Generation
  • Nitrogen Systems

Packaging

  • Drum Filling
  • Tote Systems
  • Bulk Loading

Utilities

  • Steam Generation
  • Nitrogen Systems
Chem Group analytical lab.

Analytical Excellence: Setting the Quality Standard

CHEM Group has a fully-equipped analytical laboratory on-site to support quality control and ensure your processed materials meet all specifications and requirements.

Analytical Equipment

  • GC & GCFID
  • Spectro Colorimeter
  • Open/Closed Cup Flash
  • TOC Analyzer
  • Karl-Fisher
  • Viscometers
  • Refractometer
  • pH Meters
  • Mixed Aniline Point
  • Softening Point

Our Strategic Locations

Two strategically positioned facilities in Indiana serving customers nationwide

Chem Group Evansville facility aerial photo

Headquarters & Manufacturing

CHEM Group

Evansville, IN

• Short Path Distillation
• Process Development
• Full Analytical Lab

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