Heat Pipes

Name: Heat Pipes
Brand: TOUPPER

NotebooksServersCustom Bending / Flattening

A complete heat-pipe offering across sintered copper powder, grooved, mesh-and-fiber, and composite wick structures — Φ6–Φ12 diameters and ultra-thin flattening from 0.4mm, custom-sampled to your power, space, and orientation requirements.

120W

Max heat transfer Qmax (Φ12)

0.3mm

Thinnest flattened profile (mesh wick)

7days

Sampling lead time (standard)

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Overview

Wick Structure Types

The wick structure sets a heat pipe's power ceiling, anti-gravity performance, and minimum workable thickness — choosing the right structure for the application is the first step in heat-pipe selection.

Wick structure	Thickness	Length	Qmax	Anti-gravity	Characteristics & typical applications
Sintered powder	T ≥ 1.5 mm	75–250 mm	Low–Mid	Poor–Fair	Low cost and stable process; suits general electronics
Grooved	T ≥ 2.0 mm	75–350 mm	High–Very high	Good	Strong capillary force, passes steeper anti-gravity tilt tests; common in server designs (the high-tooth high-power variant is not anti-gravity)
Mesh & fiber	0.4–2.5 mm	75–300 mm	Very low–High	Very poor–Good	Workable down to 0.3mm; ideal for phones and thin-and-light notebooks
Composite	T ≥ 1.5 mm	75–300 mm	High	Excellent	Copper powder combined with fiber: high power with excellent anti-gravity performance

Design Parameters

Dimensions & Forming Specs

Design windows for standard diameters are below; stepped profiles, complex bends, and other special requirements can be engineered to spec.

Diameter × Length × Bending

Diameter	Length range	Min bend radius
Φ6	80–450 mm	R12
Φ8	80–450 mm	R24
Φ10	100–450 mm	R30
Φ12	100–450 mm	R36

Minimum bend angle 90°; bending below the minimum radius wrinkles the bend.

Flattened Thickness × Width

Diameter	Flattened thickness	Flattened width
Φ6	1.0–3.0 mm	8.03–9.05 mm
Φ8	1.2–3.0 mm	11.25–12.05 mm
Φ10	2.0 / 3.0 mm	14.93 / 14.25 mm
Φ12	2.3 / 3.0 mm	18.10 / 17.65 mm

Thickness tolerance ±0.05mm, width tolerance ±0.15mm; mesh-and-fiber wicks additionally support ultra-thin profiles below 1.0mm.

Performance

Maximum Heat Transfer (Qmax)

Qmax decreases as pipe length grows and flattened thickness shrinks. The table gives representative ranges per diameter; actual figures depend on wick structure, length, and flattening spec.

Diameter	Round pipe, typical (L=100mm)	Common design range	Length range
Φ6	60 W	10–60 W	80–450 mm
Φ8	98 W	15–98 W	80–450 mm
Φ10	85 W	25–85 W	100–450 mm
Φ12	120 W	50–120 W	100–450 mm

Values are representative water-cooled measurements on round pipe with the adiabatic section held at 55±3°C in a fixed orientation (ΔT≤5°C acceptance); Qmax drops with greater length, thinner flattening, and anti-gravity mounting. The 450 mm in the bend table is the mechanical forming limit; usable length depends on the wick structure. For design-in, share your heat-source power, size, and mounting orientation and our engineers will confirm the fit.

Quality Assurance

Reliability Testing

Every specification passes four reliability tests before mass production, each with more than 10 samples.

Test	Conditions
Aging	120°C / 24H, horizontal
High temperature & humidity	85°C / 95%RH 120h, ramp 1°C/min
Salt spray	Passivated 6h / nickel-plated 24h / painted 96h
Thermal shock	-40°C ↔ 85°C, 300 cycles, ramp 20°C/min

Acceptance：Post-test ΔT < 5°C with no denting, bulging, breakage, deformation, or corrosion.

Sampling / Production Lead Time

7–10

Sampling (days) | 10 days for ultra-thin <0.8mm

21–24

Mass production (days) | 24 days for ultra-thin <0.8mm

Need heat-pipe samples or a custom design?

Tell us your heat-source power, space constraints, and mounting orientation — our engineers will select the wick structure and arrange sampling.

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