There is no single grade of hook and loop, only grades matched to a job. The material, the width and the put-up below are the three variables worth settling before the first order, because changing any of them later re-opens the price.
Two things decide whether a roll suits an automated line: the width tolerance at the core and the outside of the roll, and whether the put-up is splice-free. Ask for both in writing. A supplier who quotes a tolerance only for the finished carton is quoting the wrong measurement.
The fibre is nylon (polyamide). It takes dye deeply, which is why the colour range is wide and why the colour holds through washing at 40 degrees. Its weakness is moisture regain: a nylon roll absorbs water in transit, measures wide on arrival and settles back over about a week, so allow for it in incoming inspection rather than rejecting the lot.
Payment is 30 percent deposit with the balance against a copy of the bill of lading. Mixed widths on one purchase order are quoted as separate lines with a shared lead time, which is usually cheaper than splitting the order.
Each carton is marked with the lot number, width, colour and quantity, and the lot report references the same number. That is what makes a claim traceable six months later instead of a conversation about photographs.
Check the colour in the light the product is sold under. Warehouse fluorescent and daylight will disagree on dark greens and navies, and a lot rejected in one light is often accepted in the other. If it matters, agree the viewing condition before the order, not after.
Send the grade, width and colour with the annual volume and the quote comes back against a real construction rather than a catalogue range.
