I Need Every Candle in a 1,000-Piece Corporate Order to Be Consistent — What Production Checkpoints Should I Use From Raw-Material Weighing Through Final Packing?

The order in numbers

A 1,000-piece corporate order is judged differently from retail. The buyer will hand these candles out in one room, on one day, and people will compare them. A slightly weaker candle or a rough top that would pass unnoticed in a shop becomes obvious when it sits next to 999 others. Consistency is the product.

Start with the arithmetic. One thousand candles at 200 g and 8% fragrance load, calculated on total weight, need 200 kg of scented wax: 184 kg wax + 16 kg oil. A 10 kg batch fills 50 candles exactly, or about 48 after 5% planning wastage. So 1,000 sellable candles need about 21 batches of 10 kg, which is 210 kg of scented wax: 193.2 kg wax + 16.8 kg oil, giving about 1,008 candles.

The oil quantity deserves a moment of planning too. At 16.8 kg, a fragrance bought in 1 kg containers, such as CSI Jasmine at ₹3,923.00 per kg, means seventeen containers, and each container is a potential lot change. Log which container went into which batch, and weigh each batch's 0.8 kg from a single container where possible rather than topping up from a second one halfway through a weighing.

Twenty-one batches means twenty-one opportunities for a batch to be different. The checkpoints below are how you make sure it is not.

Materials: checkpoints 1 and 2

CP1, incoming materials. Before production starts, every wax carton, oil container and wick pack is logged with its product name and lot number. Keep a small retained sample of each lot of wax and oil, labelled and sealed, in case a question arises after delivery. If more than one lot is unavoidable, make a comparison candle from each and plan where the switch happens.

CP2, jars and wicks. Check a sample of jars from each carton for cracks, chips and dimensions, since jar diameter affects wick performance. Confirm the wick type matches the tested specification. Pre-wick jars in advance with wick stickers, which come at ₹100.00 per sheet of 40, and check centring on a sample from each tray before pouring begins.

Batching: checkpoints 3 to 6

Pouring and cooling: checkpoints 7 to 9

CP7, pour temperature. Read the temperature in the pouring jug, not just the melter, and pour only within your specified range. For CSI 468 that range is the stated 58–60°C; for other waxes, use the wax maker's stated figure or your validated one.

CP8, fill weight. Weigh candles against a target and tolerance. A suggested starting point is to check every tenth candle and the first and last of each batch, then tighten or relax the plan based on what the records show. Any candle outside tolerance is set aside, not averaged away.

CP9, cooling and appearance. Once set, check a sample for tops, adhesion to the glass, wick centring and colour. Record rejects by reason. A reject pattern concentrated late in a batch points to a pouring-temperature problem; one spread evenly points elsewhere.

Keep rejects physically separate, in labelled trays by batch, until the order ships. They are evidence. If the reject count for one batch is much higher than the others, that batch's sheet is the first thing to review, and its accepted candles deserve a closer look at CP10.

Curing and packing: checkpoints 10 to 12

CP10, cure-age burn test. From each batch, burn-test at least one candle at your standard cure age, beside the approved reference candle from the order sample. Compare hot throw, melt pool and flame. Twenty-one batches means twenty-one tests; that is not excessive for an order where every candle will be compared. Release each batch for packing only after it passes.

Burn tests take time, so schedule them. A sensible pattern is to start testing the first batches while later ones are still being poured, so the test results arrive in the same order the batches will be packed. If an early batch fails, you learn it before the remaining batches repeat the same mistake.

CP11, labelling. Every candle carries its batch code on the base or label. Without it, a complaint from the buyer about 'some of the candles' is impossible to investigate.

CP12, pack count and final inspection. Count candles into cartons against the order, and open a sample carton from the pallet to inspect as the buyer will: lids, labels, surface marks and a quick cold-throw check. Record the carton numbers and batch codes packed in each.

Scale the checks, not just the equipment

It is tempting to answer a 1,000-piece order by buying a second melter. Sometimes that is right. But the order is lost more often through an unchecked batch than through slow melting. Twenty-one batches in a 10 kg melter is a manageable run; the checkpoints are what make it deliverable. Before accepting the dispatch date, count backwards: cure period, then 21 batch slots at your real pace, then materials on the shelf with lots logged. If that sequence does not fit, negotiate the date rather than skipping checkpoints to make it fit. Add capacity only when your records show melting, not checking, is what limits the schedule, and verify every new piece of equipment with the same twelve checkpoints before it touches the order.

Where this page fits

CSI already has guides that cover parts of this question. This page takes the production-floor angle; these go deeper on the rest:

Three things to buy for this job

Frequently asked questions