What to expect from an ingredients partner, and how to evaluate one

Every ingredients supplier will say they offer technical support. The phrase covers everything from forwarding a manufacturer's datasheet to sitting in your plant at two in the morning during a trial. Since the words are identical, they are useless for telling suppliers apart. The behaviours are not.

What distribution actually involves

A value-added distributor does four distinct things, and they are worth separating because suppliers are rarely equally good at all four.

• Sourcing. Finding and holding the right material, reliably, at a workable landed cost.
• Technical application. Knowing how that material behaves in your process, not only what its datasheet says.
• Blending and adaptation. Adjusting a system to suit a specific application rather than offering only what arrives in the drum.
• Market development. Bringing an idea for what could be made, not only a response to what was asked for.

A supplier strong only on the first is a trader, which is a legitimate thing to be and is sometimes exactly what a commodity purchase needs. It is not what a difficult formulation needs.

Questions that separate them quickly

"What will you need from us before recommending something?"

A technical partner will ask about pH, thermal process, shear, existing formulation and what you have already tried. A supplier who recommends before asking is guessing, and you will discover that at the trial rather than in the meeting.

"What does this not do well?"

Everything has limits. A supplier who cannot name the conditions where their suggestion underperforms either does not know, or is not going to tell you. Both are worth knowing early.

"What happens when a batch behaves differently?"

This is the question that matters most and is asked least. Ask who you reach, how fast, whether anyone will come to the plant, and what has actually happened in a comparable case. Service under normal conditions tells you very little. Service on a bad day tells you everything.

"Can you support a trial, or only send a sample?"

Sending material is logistics. Helping design the trial, being present, interpreting the result and adjusting is application work. Only one of them shortens your development time.

What to check beyond the conversation

• Documentation discipline. Whether specifications, declarations and certificates arrive complete and without chasing.
• Stock and lead time honesty. Whether commitments made at quotation survive contact with a real order.
• Continuity. Whether the person who understands your application is still there in a year.
• Application facilities. Whether there is somewhere a trial can be run before committing plant time.

A note on judging us by this

Publishing a list of questions designed to test suppliers is only worth doing if we are willing to be asked them. We would rather be evaluated on how we answer a specific technical brief than on a capability statement, because the first is checkable and the second is not.