Product Wiki · Basics · Anatomy of a Product — Materials, Parts and Parameters
Anatomy of a Product — Materials, Parts and Parameters
What products are made of (materials, states, structures), the parameters they carry (weight, dimensions, power, IP rating, color, lifecycle) and what to look for on the packaging.
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Even the simplest item on a shelf is rarely just one thing. It is made of materials, exists in a physical state, has a structure, carries measurable parameters, and is intended for a specific user in a specific context. This page is a plain-language inventory of those attributes — useful both as a reference for understanding what a product entry covers, and as a checklist for the kinds of details a manufacturer or regulator may publish about it.
Materials — what the product is made of
Most regulators and standards bodies group materials into about a dozen broad families. Anything you buy will fall into one or a mix of these:
Metals — steel, stainless steel, aluminium, copper, brass, zinc, titanium, gold, silver. Often described by alloy code (e.g. SAE 304 stainless, A2 tool steel).
Plastics — labelled by the recycling-code resin identification number 1-7 (1=PET, 2=HDPE, 3=PVC, 4=LDPE, 5=PP, 6=PS, 7=other incl. polycarbonate, ABS, nylon, silicone) per ISO 1043 / ASTM D7611.
State drives the hazard classification: a flammable liquid (a perfume) is regulated very differently from a flammable solid (firewood) under CLP / GHS.
Structure — single piece, assembly, set, system
Single piece — a glass tumbler, a steel screw.
Assembly — a desk with planks + screws + legs in a flat-pack box.
Liquid in a container — a 500 ml shampoo bottle.
Set — a 24-piece cutlery set, a 10-piece socket wrench set.
Kit — DIY kit with parts + instructions + sometimes glue/tools.
System — a coffee maker with capsules, an EV with OTA-updated software, a printer + cartridges.
Structure matters legally: when an assembly mixes regulated parts (a children's toy with small parts and batteries), each part may be subject to its own conformity rules.
Measurable parameters
The numbers a manufacturer will publish about a product, and what they mean:
Weight / mass — grams (g), kilograms (kg), pounds (lb), ounces (oz). Net = product alone; gross = with packaging.
Dimensions — length × width × height, in mm/cm/m or in/ft. Sometimes diameter for round items.
Refillable / rechargeable — a refillable pen, a rechargeable battery.
Repairable — France publishes an Indice de Réparabilité (repairability index 1.0-10.0) for major appliances; the EU is moving to a similar EU-wide repairability scoring under the Right-to-Repair Directive.
Expected lifetime — manufacturer-declared MTBF for electronics, expected use cycles for tools.
Compatibility — "works with Apple HomeKit / Matter / Alexa / Google Home" / "fits frame size 26-28″ wheels" / "requires firmware ≥ v2.3".
Packaging
Packaging is itself a product attribute. We track: pack type (single-pack vs multipack), pack count (3-pack, 12-pack), inner packaging (each item bagged), outer container material (cardboard box, plastic wrap), pack-level labelling (multilingual ingredient list, allergen warnings, recycling marks), and pack dimensions and weight for shipping.
Identification on the physical product
Barcode — printed GTIN-13 / GTIN-12 / GTIN-8 / GTIN-14, sometimes also a QR or Data Matrix.
Lot / batch number — for traceability in recalls.
Serial number — per-unit identifier for durable goods (electronics, appliances).
Production date and best-before / use-by — for foods, cosmetics, medicines, batteries.
Manufacturer marking — name + postal address, required in EU under GPSR 2023/988.
Conformity marks — CE (EU), UKCA (Great Britain), FCC ID (US radio), CCC (China), KC (South Korea), ENERGY STAR / EnerGuide.
Country of origin — "Made in X" — required in the US under 19 USC 1304 and in many other markets.
ProductGuru summarises public regulatory information. We are not lawyers, regulators or product-safety consultants. Citations on this page link to the underlying official source; consult those sources, or qualified counsel in your jurisdiction, before relying on any claim for a commercial decision.