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ALLPCB Quality Classification· Works Best for You

Quality Classification

Two Options, Flexible Choice
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Standard

More suitable for products R&D / high cost-effective/ more cost-effective for batch orders

Durable electronics: consumer products, computers and peripherals. Other products that require PCB functions.

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Advanced

Precision Upgrade/ Extraordinary Experience /Precision Optimization

High-reliability electronics: communication equipment, complex business machines and instruments. There are long hours of uninterrupted work required

Quality Classification Standard Alternate Text Advanced Alternate Text

Thickness tolerance

(0.6~0.8)±0.1mm

((0.9~1.2)±0.125mm

(1.3~2.0)±0.15mm

(0.5~0.8)±0.085mm

(0.9~1.2)±0.115mm

(1.3~2.0)±0.135mm

Surface copper thickness tolerance

-0/+0.015mm

-0/+0.013mm

Hole diameter tolerance

±0.075mm

±0.065mm

Hole position tolerance

±0.1mm

±0.085mm

Solder mask position tolerance ±0.125mm ±0.1mm

Silkscreen position tolerance

±0.175mm

±0.15mm

Via copper thickness

18μm+7/-0μm

20μm+6/-0μm

Hole inner wall roughness

25.4μm

23μm

Inner copper thickness tolerance

-0/+0.01mm

-0/+0.008mm

Solder mask thickness

10~40μm

12~35μm

Copper trace width/ distance tolerance

≤0.1mm±20%;

>0.1mm±10%

≤0.1mm±15%;

>0.1mm±8%

PCB size tolerance

±0.15mm

±0.125mm

Goldfinger hypotenuse depth tolerance

±0.125mm

±0.11mm

Goldfinger hypotenuse angle tolerance

±10°

±8°

Weldability

260±5℃/5 second per time,good moist and tin solder environment

260±5℃/5 second per time,good moist and tin solder environment

Heat shock resistance

288±5℃/10 second×3times,No delamination or blistering

288±5℃/10 second×3times,No delamination or blistering

Package

Inner packing filler

60G anti-static bubble film, 5mm pearl cotton desiccant heat shrinkable film packaging process

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