Sulphur free paper

Sulfur-free paper is a special paper for PCB surface treatment process. Its function is to avoid the chemical reaction between silver and sulfur in the air. Used to isolate or package the product.
Sulfur-free paper can play a role of isolation to prevent the copper layer below the silver layer from reacting with oxygen in the air.
Product technology: 1. Sulfur dioxide is less than 50ppm 2. Meet dust-free requirements.

Description

Product name: Sulfur-free paper

Product weight: 35/40/45/60/80/100/120 / 140g

Product features: good tensile strength, smooth, dust-free, non-toxic and environmentally friendly, meets ROHS requirements, does not contain sulfur (S), chlorine (CL), lead (Pb), cadmium (Cd), mercury (Hg), hexavalent The characteristics of chromium (CrVI), polybrominated biphenyls and polybrominated diphenyl ethers are in full compliance with industry EU standards

Product use: PCB interlayer continuous electroplated interlayer paper

Application field: electronic plating, LED, hardware, cable and wire, printing and packaging, etc.

 

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