Engineering notes on bag choice, weighing, bulk filling and dust — written to be used at a site visit, not read as brochure copy.
Most bagging projects start with a machine enquiry and end with a bag that does not suit the product. Turning that order around costs one afternoon of tests and saves the whole project.
A filler that weighed 25.02 kg all morning and 24.88 kg after lunch is not necessarily faulty. It is usually reporting a change in the product or in the machine's own zero — and the fix is a sequence, not a setting.
A bulk bag is not a large small bag. At a tonne the tolerances that felt generous at 25 kg become a conversation with the customer, and the air the product carries becomes the dominant problem.
When a filling station is dusty, the instinct is a larger extraction hood over the spout. It rarely helps, because most of the dust is not escaping past the spout — it is being pushed out of the bag by the air the product displaced.
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