Product Introduction

With advanced multi-layer kraft paper and optional polyethylene (PE) or polypropylene (PP) film lamination, the fiber waterproof mortar paper bag provides excellent protection against humidity, tearing, and contamination. It ensures that your mortar and similar products maintain their quality and usability during storage, handling, and long-distance transportation.

Tongying’s paper bags are produced using high-speed automated bottom-gluing and valve-type bag-making machines, ensuring consistent quality and large-scale production efficiency. Every bag is crafted to meet strict international packaging standards and can be fully customized according to your product’s requirements for size, material, and printing design.

Product Features

High Strength and Tear Resistance
Constructed from multiple layers of high-grade kraft paper reinforced with fiber material, the bag offers superior mechanical strength, preventing breakage during filling, stacking, or transport.

Waterproof and Moisture-Proof Protection
The interior layer can be laminated with PE or coated with a waterproof barrier film, effectively blocking moisture and ensuring your mortar or dry powder products stay dry even in humid environments.

Environmentally Friendly Design
Made from recyclable and biodegradable paper materials, this bag supports sustainable packaging initiatives and reduces environmental impact. It’s an ideal alternative to plastic or woven polypropylene bags.

High Compatibility with Automatic Filling Machines
The bag’s valve-mouth design allows for fast and efficient filling using fully automated equipment, significantly improving packaging efficiency and reducing labor costs.

Excellent Printing and Branding Options
Surface flexographic or gravure printing allows for vibrant colors and durable ink adhesion. Your logo, product details, and brand identity can be printed clearly, enhancing brand visibility and market recognition.

Customizable Structure

Layers: 2–5 ply paper (with optional PE/PP liner)

Type: Valve mouth or bottom-gluing type

Capacity: 25kg–50kg

Surface: Plain, printed, or laminated

Color: Natural kraft, white, or customized

Product Advantages

Reliable Performance: The fiber-reinforced construction ensures resistance to pressure and puncture, suitable for heavy-duty use in industrial packaging.

Excellent Moisture Protection: Unlike ordinary paper bags, this waterproof version maintains internal dryness even in fluctuating temperature or humidity conditions.

Eco-Conscious Material: Fully compliant with global green packaging trends and environmental regulations.

Cost-Effective: Lightweight yet strong, reducing logistics costs while maintaining safety and reliability.

Enhanced Product Shelf Life: Protects contents from moisture and contamination, ensuring mortar quality remains stable until final application.

Flexible Customization: Sizes, colors, printing patterns, and layers can all be tailored to suit brand and product needs.

Applications

The fiber waterproof mortar paper bag is widely used in the construction and building materials industry, particularly for powdered and granular materials. Its design is optimized for heavy-duty packaging in various scenarios:

Dry Mortar and Waterproof Mortar Packaging
Ideal for moisture-sensitive products requiring sealed and durable protection.

Tile Adhesive and Grout
Ensures long-term storage without clumping or degradation.

Cement and Gypsum Powder
Provides a cost-efficient, eco-friendly alternative to woven or plastic sacks.

Plaster, Lime, and Dry Mix Compounds
Suitable for high-speed filling machines in modern industrial facilities.

Mineral and Chemical Powders
Effectively prevents leakage and contamination for fine chemical powders and additives.

Tongying offers tailored solutions to meet the packaging requirements of diverse industries — from construction material manufacturers and distributors to export-oriented chemical enterprises seeking robust, eco-friendly packaging alternatives.

Frequently Asked Questions (FAQ)

Q1: What materials are used in the Fiber Waterproof Mortar Paper Bag?
A1: Our bags are made of high-strength kraft paper reinforced with fiber layers, combined with a PE or PP coating for waterproofing. All materials are recyclable and environmentally safe.

Q2: Can these bags be used for packaging other products besides mortar?
A2: Yes. They are suitable for other dry powders or granules such as cement, tile adhesive, gypsum, lime powder, and various mineral materials.

Q3: What is the typical load capacity of these paper bags?
A3: The standard capacity ranges from 25kg to 50kg, but it can be customized based on your specific product density and packaging requirements.

Q4: Are these bags compatible with automatic filling machines?
A4: Absolutely. The valve-mouth and bottom-gluing designs are fully compatible with automated filling systems, ensuring efficient and dust-free operation.

Q5: How can I ensure my brand logo and design are printed accurately?
A5: We use high-precision flexographic printing with up to 7 colors, ensuring vivid and durable prints that enhance brand visibility.

Q6: Do you offer sample testing before bulk production?
A6: Yes. We provide free or low-cost samples for testing bag compatibility and quality before placing mass orders.

Q7: What are the minimum order quantities (MOQ)?
A7: The MOQ varies depending on specifications, typically around 10,000 pieces. Contact us for custom requirements.

Q8: How long does production and delivery take?
A8: Generally, 2–4 weeks depending on order size and customization level. We ensure timely delivery to support your supply chain efficiency.