Underlay material for printed circuit board_Professional PCB drill Aluminium entry sheet and backup board manufacturer

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ABOUT US

Established in the year 1999 at Foshan, we, YUESHAN BACKUP BOARD, are highly prominent Manufacturers of premium quality PCB wood backup board / melamine backup board aluminium entry sheets for PCB drill. We have been operating since the past two decades and have been engaged in offering a vast array of PCB drilling material ,backup board / Aluminium entry board for PCB industry at budget-friendly prices to clients. Our extensive experience has helped us meet the growing demands of our clients nation-wide.

Product

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Underlay material for printed circuit board

Composition

as a replacement of phenolic board ,melamine underlay material for printed circuit board,underlay or backing material is An important drilling consumable
Description

The purpose of the backing material is to prevent exit copper burrs on the underside of the drilled boards and to provide adequate space for drill stroke termination. An acceptable backup material does not contaminate the hole and helps cool the drill bit, thereby improving hole quality.
Product Advantage

our underlay material has tight thickness and flatness tolerances. It contain no abrasives that could increase drill wear or contaminates that could be evacuated through the drilled hole. The surface is smooth and hard to properly suppress exit burrs.