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coco-8300-tin-20h

COCO-8300 in a 68 mm tin, 20 hours

COCO-8300 · CD-6 · 2026-08-30 ·

Five sessions with a CD-6 wick at 5 % load, run to establish the baseline the cold-throw panel is calibrated against. The pool reaches 61 mm in a 68 mm tin by hour five, which leaves only 7 mm of unmelted rim: the narrowest margin on the site.

Room23.5 °C · 52 %RHWickCD-6Vessel⌀68 mm · 2 mm tinplateTest hours20 hFragrance load5.0 %Mushrooming2 / 5

Hourly record

peak 61.0 mm flame peak 50.0 mm Hour 20 h
Hour Pool ⌀ mm Flame mm Pool vs peak Flame vs peak
1 41.0 46.0
2 50.0 50.0
3 56.0 49.0
4 59.0 47.0
5 61.0 45.0
6 61.0 43.0

The near-full pool is what a low-melt wax does. It is not a fault in the wick: a CD-6 is already generous in a 68 mm vessel. It is the reason a pure coconut candle cannot be shipped in summer in a shallow tin, because a 7 mm margin becomes zero the moment the ambient climbs past 28 C.

The cold throw panel scored this record 4 out of 5 in a 5 % load, the highest cold score on the site. The hot throw matched it at 4, and the panel's standard deviation was 0.9, so the result was reported without a spread note.

Cold throw, panel mean冷香(评审均值)
Hot throw, panel mean热香(评审均值)
Panel standard deviation评审标准差

Vessel section

Vessel cross-section with melt pool geometry
68 mm ⌀ · 2 mm tinplate
Pool diameter curve
Pool diameter (solid) vs flame height (dashed)
Room
23.5 °C · 52 %RH
Fragrance load
5.0 %
Mushrooming
2 / 5
Tunnelling risk
2 / 5
Wet-spot risk
3 / 5
Soot index
3.6 / 10
Throw c/h
4 · 4
Consumption
4.42 g/h

Failure modes observed

TriggerThresholdKnown failure modes
BURN-RIM pool to rim margin → under 10 mm A 7 mm margin means a knock while lit spills wax. Set the tin on a tray and never move it during a session.
BURN-WETSPOT ambient over 28 C → pool temperature above 62 C The surface goes glassy and the wick leans. Above 28 C this combination should not be run at all.

Reading of the record