Production2 min read
From bench sample to production: what changes when a powder blend scales
A formula that works in a 200 g bench sample can behave differently in a production batch. These are the points we check before a powder blend goes to production.
A bench sample proves that a formula can taste and mix the way you want. It does not prove that the same formula will behave in a production batch. Powders are especially sensitive to scale, because many of their problems come from how particles move, not from what they contain.
Segregation
When a blend contains particles of different size, shape or density, they can separate when the powder is moved, poured or vibrated. The result is a bag in which the top and the bottom are not the same product. It is more likely when a small ingredient, such as a vitamin or mineral premix, has to be spread evenly through a large amount of base powder.
What helps: choosing ingredients with compatible particle sizes where possible, using premixes for minor ingredients, and agreeing the order and method of blending.
Flowability
A powder that flows well from a spoon may still bridge in a hopper, stick in a feeder or flow unevenly into a filling machine. Fats, fine particles and moisture all affect flow. Flowability decides whether the powder can be filled accurately and at the speed production needs.
Moisture and caking
Many powdered ingredients absorb moisture from the air. A blend that is fine on the day it is made may form lumps or harden weeks later if moisture is not controlled. Moisture content of the raw materials, how the blend is stored, and the packaging all matter.
Batch-to-batch consistency
At the bench, you use one lot of each ingredient. In production, ingredients come in different lots, and natural ingredients vary in colour, flavour, particle size and composition. A good formula allows for reasonable variation and the specification says what range is acceptable.
Specifications and quality controls
Before production, it helps to write down what "correct" means for this product: nutritional values, appearance, taste, mixability, moisture and other parameters that matter for your use. These specifications and the controls that check them are what keep the thousandth bag like the first.
Our approach
We treat scale-up as part of formulation, not as a step after it. When we develop a formula, we already think about how it will be blended, filled and stored. Once the formula is approved, we prepare it for production with the agreed specifications and quality controls.
If you have a formula that works on the bench and you need to know what it will take to produce it, send us the details.
