Sulfur-Free Paper | Anti-Tarnish Paper Wholesale
Protect silver-plated PCBs and semiconductor wafers with Sulfur-Free Paper. Dust-free, SGS-certified, and available in wholesale rolls & sheets.
Description
Sulfur-Free Paper (Anti-Tarnish Paper)
Product Overview
Sulfur-Free Paper, also known as Anti-Tarnish Paper, is a high-performance industrial packaging material designed to protect sensitive products from oxidation, discoloration, and scratches. Manufactured from 100% virgin wood pulp, the paper is free from sulfur and other contaminants that can react with metals and optical materials.
With a sulfur content of less than 50mg/kg (verified by SGS test), our Sulphur Free Paper ensures long-term stability and meets the demanding requirements of industries such as electronics, optics, and precision manufacturing.
Key Features
-
Low Sulfur Content: Prevents tarnish, oxidation, and surface corrosion.
-
Clean & Dust-Free: No fibers, particles, or impurities, suitable for cleanroom environments.
-
Smooth & Uniform Texture: Prevents scratches on delicate surfaces like optical glass and PCB.
-
Temperature Resistance: Maintains integrity under standard storage and moderate heat.
-
Customizable Sizes & GSM: Available from 30gsm to 250gsm, cut to customer specifications.
Applications
-
PCB Manufacturing: Used as interleaving paper during silver plating to prevent tarnish.
-
Optical Glass & Lenses: Ideal isolation paper to protect from scratches and contamination.
-
Precious Metals & Jewelry: Packaging solution to keep silver and gold free from discoloration.
-
Precision Components: Protects polished or high-tolerance parts during storage and transport.
-
Solar Wafers & Electronics: Ensures oxidation-free storage of high-value components.
Technical Specifications
-
Material: 100% Virgin Wood Pulp
-
Color: White
-
Basis Weight: 30gsm – 250gsm (commonly 40–80gsm)
-
Sizes: Standard sizes (e.g. 355×406mm, 400×500mm, 450×550mm) or customized upon request
-
Sulfur Content: <50mg/kg (SGS tested)
-
Storage: 18℃–25℃, dry, clean, sealed, away from direct sunlight; shelf life: 12 months
Why Choose Us as Your Supplier?
-
Direct Factory Supply: Competitive pricing for sulfur free paper wholesale orders.
-
Quality Assurance: Each batch comes with a Certificate of Analysis (CoA) for sulfur content.
-
Global Export Experience: Professional support for international buyers, including documentation and logistics.
-
Customization: Tailored specifications to match your exact packaging and production needs.
Call to Action
Protect your products with Sulfur-Free Paper / Anti-Tarnish Paper trusted by PCB, optical, and precision industries worldwide.
📩 Contact our export team today for free samples, technical consultation, or wholesale quotations.
Related Products
Sulfur-Free Paper for PCB & Solar Protection
Kangchuang Sulfur Free Paper offers chemical-pure, heat-resistant Sulfur-free paper for electronics, PCB manufacturing, and precision metal protection. Reliable and eco-friendly.
High-Quality Sulfur Free Paper for Electroplated Products
Ensure superior protection and efficiency with Kangchuang Sulfur Free Paper. Perfect for PCB, metal processing, and other heat-sensitive industrial uses.
Sulfur-Free Tissue Paper
Looking for a sustainable, high-quality alternative to traditional paper? Our Sulfur-free paper (also known as Sulfur free paper or sulphur free paper) offers superior performance and eco-friendly benefits. Manufactured without the use of sulfur-based chemicals, this paper is ideal for applications that demand purity, longevity, and environmental safety.
Anti-static Sulfur-free Wrapping Paper
Sulfur-free paper contains no sulfides or sulfates, with low corrosiveness, low odor, and high stability as its notable characteristics. In the electronics and electrical industry, it serves as excellent insulation material for transformers, cables, and other equipment, as well as a reliable isolation layer for PCB manufacturing and transportation, effectively extending equipment lifespan.
Sulfur-Free Paper for Precision Electronic Components
Modern electronic components with gold, silver, copper and other metal conductors and contact points are very sensitive to sulfidation and oxidation reactions. The formation of sulfides and oxides increases contact resistance, affecting the performance and lifespan of electronic components. Sulfur-free paper as packaging material provides a sulfur-free, low-acid storage environment for electronic components, extending their service life.
Sulfur Free Paper Manufacturer & Supplier
Sulfur-free paper is mainly used in the electronics field, such as packaging for PCBs (printed circuit boards) and silver-plated products, including circuit boards, wiring boards, hardware terminals, etc.
Sulfur-Free Paper for PCB
During the production and transfer process of PCBs, such as moving from one link of the production line to another, or during temporary storage and transfer, sulfur-free paper can separate the PCBs, preventing their surfaces from coming into direct contact with other objects, avoiding scratches and abrasions, and protecting the circuits, soldering points, and various coatings on the PCB surface.
Sulfur-Free Protective Paper for LED
Sulfur-free protective paper not only addresses the chemical hazards of sulfur on metal components but also meets the requirements of high-precision manufacturing and long-term storage, serving as a critical safeguard for the reliability and lifespan of LED products.