What Decades in Chemical Manufacturing Teach You
Experience in chemical manufacturing is not simply a measure of how long you have been doing it. Its value lies in knowing which questions to ask, recognising where laboratory success and commercial manufacture part ways and understanding what determines whether chemistry can be produced safely and consistently at scale.
As a contract manufacturer of polymers and fine chemicals, much of our work involves taking chemistry that has proven itself at development scale and establishing how it can be transferred into repeatable commercial production. That work has taught us some important lessons.
A successful laboratory process is not necessarily a manufacturing process
R&D chemists are tasked with developing something that works and gives their business a competitive advantage. But a process that performs reliably at laboratory scale answers only one set of questions.
When chemistry moves towards manufacture, different considerations arise. Can it be made safely at scale? Is it compatible with the available equipment? Can it be produced consistently and commercially?
These are not criticisms of good development work. They are simply the next questions that need answering. A successful laboratory process may demonstrate that the chemistry works under those conditions. Establishing whether it can become a safe, reliable commercial manufacturing process is a separate exercise and one that needs its own careful consideration.
The questions asked at the beginning matter
Experience does not mean immediately having every answer. Often, it means knowing what needs to be understood before committing to manufacture.
Early conversations should resolve questions around process safety, scalability, equipment suitability and the practical requirements of commercial production. Identifying these before manufacturing begins is considerably better than encountering them mid-campaign when they are far more costly to resolve.
The questions asked at this stage can give a customer confidence that a manufacturing partner understands the work. They also help both parties establish whether the project is a good fit.
Process capability matters more than promises
Contract manufacturers do not all have the same capabilities and the differences are rarely apparent from the outside. Two companies may describe themselves in near-identical terms while being suited to very different chemistry.
Witton manufactures polymers in solution through free-radical polymerisation of acrylate, methacrylate, styrene and vinyl monomers. We produce polyurethane pre-polymers by reacting isocyanates such as MDI and IPDI with polyols and undertake fine chemical synthesis requiring the isolation and drying of powders.
Our plant includes reactors ranging from 50 litres to 18,000 litres supported by driers, a centrifuge and bulk storage. That range provides flexibility when assessing how chemistry could progress through scale-up and into commercial manufacture.
Part of experience is also knowing when work falls outside what you do well and saying so plainly. An honest assessment of fit at the outset is more useful to a customer than confident-sounding generalities.
Reliability is built over years, not claimed on a website
Reliability is easy to assert. It is demonstrated through consistent delivery over time and some of Witton’s customer relationships now span two or three decades.
As a 36-person operation, we have relatively short lines of communication. Questions reach the right people quickly without passing through layers of management. In practice, that supports what customers depend on most: getting things right first time, delivering to agreed lead times and responding quickly when circumstances change.
Many of our customers are considerably larger organisations. What they value is not our size but our responsiveness, consistency and the experience of the team managing their process. That kind of reliability is built through consistent delivery over many years.
Experience should not mean standing still
Long experience is only useful if it continues to inform improvement.
Our management team combines people with 25 to 30 years at Witton with a newer generation who have five to 10 years of experience within the business. Established knowledge provides judgement about what has worked, where risks tend to emerge and which disciplines exist for good reason. Newer perspectives bring fresh thinking about what could be done better.
The real value lies in knowing the difference between something that must remain rigorous and something that can be improved and being willing to keep asking that question.
Experience in practice
These lessons share a common thread: experience is most useful when it informs judgement rather than simply conferring authority.
It shows in the questions raised before manufacture begins, in an honest assessment of capability and fit, in consistent delivery over many years and in a team that keeps refining its processes without losing the rigour those processes depend on.
For technical and R&D teams considering the commercial manufacture of proprietary chemistry, that kind of judgement can be invaluable. If you are considering how a new or existing process could move into commercial production, speak to Witton’s technical team about your requirements.