45gsm Sulfur-Free Paper

Safe · Stable · Cost-Effective Paper Solution for Multiple Industries

In industries such as food packaging, printing, and archival storage, material selection directly affects product quality and long-term performance.
Our 45gsm Sulfur-Free Paper is specially manufactured with a non-sulfur process and stable grammage control, offering an ideal balance of lightweight, safety, and durability.

It is widely trusted by customers who require clean, odor-free, and non-reactive paper materials.

Why Choose Our 45gsm Sulfur-Free Paper?

✅ Optimized 45gsm Weight – Lightweight Yet Strong

With a grammage of 45gsm (approximately half the thickness of standard A4 paper), this paper is:

• Easy to handle and transport

• Cost-efficient for large-volume use

• Strong enough for packaging, printing, and document protection

It delivers excellent stiffness and flexibility for versatile applications.

✅ Truly Sulfur-Free – Safe & Chemically Stable

Manufactured without sulfur or sulfur-containing additives, our paper offers:

• No odor or chemical residue

• No reaction with inks, metals, or sensitive products

• Reduced risk of oxidation, discoloration, or contamination

This makes it suitable not only for food-contact packaging, but also for electronic components, PCB interleaving, and precision parts protection.

✅ Environmentally Responsible Material

Produced from high-quality wood pulp, our 45gsm sulfur-free paper complies with common environmental standards and supports sustainable packaging trends.
Compared with traditional sulfur-containing paper, it is more eco-friendly and biodegradable.

Typical Applications of 45gsm Sulfur-Free Paper

🟢 Food Packaging – Safe for Direct Contact

Ideal for applications such as:

• Bakery and pastry wrapping

• Cookie and snack inner paper

• Tea and dry food inner liners

Sulfur-free processing ensures no odor transfer, helping protect food flavor and brand reputation.
According to industry data, sulfur-free paper accounted for over 30% of food packaging paper usage in 2024.

🟢 Book & Light Printing – Clear and Lightweight

Widely used in:

• Magazines

• Lightweight books

• Manuals and catalogs

Benefits include:

• Smooth surface for clear printing

• Good stiffness, less wrinkling during printing

• Reduced finished product weight (up to 15% lighter in some cases)

🟢 Archival & Document Storage – Long-Term Reliability

Thanks to its sulfur-free nature, the paper offers enhanced aging resistance, making it suitable for:

• Contract files

• Archive folders

• Document covers

Text remains clear over time, with minimal yellowing or fading, even after long-term storage.

How to Select High-Quality 45gsm Sulfur-Free Paper

We recommend checking the following key points:

✔ Grammage Accuracy
Weight deviation within ±1g per 500 sheets ensures stable quality across batches.

✔ Sulfur-Free Test Report
Verified by third-party testing agencies, sulfur residue ≤0.01mg/kg.

✔ Paper Surface Quality
Smooth, even texture with no visible impurities or spots when held against light.

What We Offer

• Stable and consistent bulk supply

• Custom sizes available (sheets, rolls, slit formats)

• Sample support and quality test reports

• Suitable for food, printing, electronics, and archival industries

45gsm Sulfur-Free Paper is more than just paper — it is a reliable solution for safety, quality, and performance.
If you are looking for a safe, eco-friendly, and cost-effective sulfur-free paper, feel free to contact us for samples and quotations.

Contact Kangchuang Paper