Double Sided Tape Sample Policy: Eight Evaluation Questions…
Eight questions on sample policy for a double sided tape supplier before anything reaches your line: tier, lot, test…
Read this guideHow a die cut tape supplier prices a part: drawing file, material and thickness, yearly volume, and the cutting route recommended before tooling is cut.
A die cut tape supplier prices a part from three inputs: a geometry file, the construction the part is cut from, and the volume the route is planned against. Tolerance wording, tooling cost, liner format and timing all branch off those three, so an enquiry built on a product photo and a hope comes back as a number nobody will stand behind. We quote and cut inside a 3,000 m² plant in Shenzhen on flat-bed, rotary, laser and CNC routes, and the requests that move fastest are the ones that arrive with information the process can read.
A dimensioned PDF lets an engineer quote by eye. A DXF or STEP file is what the shop needs: the vector outline drives nesting, tool design and the dimensional overlay on the inspection report, and without one the part gets redrawn before any of that starts. If all you have is a moulded sample, a worn gasket or three photographs, send it with the dimensions you actually control and the material name if you know it; we draft the drawing and confirm it with you before tooling is cut.
Mark two things on the face view itself. State whether the cut is kiss (through the material, not the liner) or through-cut. State whether the liner is a delivered feature or packaging. Those two lines in a footnote prevent most of the rework arguments I have read.
Construction decides cut behaviour: carrier family, adhesive system, total thickness and release liner. We convert PET, foam, non-woven, transfer, PI and foil tapes and laminates of them, with typical families running from 0.03–0.3 mm on functional films, 0.4–3.0 mm on foam-backed tape and 0.05–1.0 mm on double sided builds, all grade dependent; the grade library lists what we quote from stock.
A thin film and a 2 mm foam are not the same part scaled up. Film holds its contour, foam relaxes after the cut and can crown at the edge, foil work-hardens where the die lands, non-woven fuzzes along the outline. The cutting route follows from that behaviour, not from the order form, and a substitution made on a datasheet alone changes the behaviour while keeping the drawing number.
Laser cutting needs no hard tooling, which makes it the default while a design still moves. Flat-bed die-cutting handles complex outlines, tight inside corners and multi-layer stacks from prototype into series. Rotary runs roll-fed with efficient material use and suits steady long runs. CNC routing suits thick foams where cutting depth matters more than cycle time. Where the break-even between two of these sits depends on outline, sheet size and material, so state the annual estimate and whether the product is a one-time build or a running platform. Prototype quantities are available; production quantities are agreed per part.
A usable quotation from a die cut tape supplier reads as a set of decisions, not a unit price: the recommended route with the reason for it; tooling quoted as its own line item; the achievable tolerance stated against your drawing rather than quoted as a generic figure; the liner and supply format proposed against your station; and the inspection commitment, meaning a first-article dimensional and visual report for drawing-based projects. If those five are absent, you are buying tooling risk at a discount. What each of them means for your drawing package is unpacked on the die-cutting service page.
First, a tolerance copied from a machined bracket onto an adhesive part that relaxes between cutting and placing; mark the dimensions the assembly controls and let the converter set the rest against the route. Second, a part specified without its delivery format: loose in a bag and matrix-stripped on a slit liner are two different products with two different prices. Third, a price built at prototype volume then re-asked of a series tool, or a series tool cut for a build that stays at prototype volume forever. Fourth, treating a cross-reference against a branded part number as an approval; a cross-reference is a place to start testing, and the finished part is qualified on your line, not on someone's chart.
Five lines settle most of it. The file you can attach, and its form. The construction, with total thickness and liner named. Kiss or through, stated on the view. The format your station consumes, hand-fed, on a roll, or indexed. The annual estimate with its trend. A buyer who sends those five lines gets a route recommendation back within a drawing review, and the review conversation starts at engineering instead of at arithmetic.
Yes, when the sample arrives with the dimensions that matter and the material identity if you know it: we measure the part, redraw the outline as a document, and confirm that drawing with you before any tooling is cut, so what gets approved is a file rather than an object. A sample carries geometry but not tolerance, not liner format and not supply method, so those three are agreed in writing against the redrawn part before anything else is priced.
Commercial and process terms on this page are the questions a converter has to answer, not a standing offer. Order quantities, lead times, tooling charges, sample terms, freight and payment structures are confirmed at quotation against your drawing, your material and your destination, and only figures already published elsewhere on this site are stated as commitments.
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Read this guideWe answer on the specific construction: what we hold, what we slit or laminate, what the quantity and the terms look like for your job.