Order Code	Product Name
L-03-02-M01	Heavy-duty Aluminum-lined Kraft Sample Bags for Mining Laboratory Sample Storage

Heavy-duty Aluminum-lined Kraft Zipper Sample Bags for Mining Laboratory Sample Storage

Brief Introduction

Heavy-duty Aluminum-lined Kraft Zipper Sample Bags are professional packaging consumables designed for geological exploration, mining sampling and wet metallurgical laboratory storage applications. Combining a durable kraft paper outer layer with a premium aluminum inner lining, these bags feature a thickened 140-micron composite structure that provides moisture-proof, oxygen-barrier and light-shielding protection for mineral samples.

With a self-sealing zipper and stand-up gusset structure, the bags support repeated opening and closing while maintaining stable sealing performance. Available in 11 standard sizes, they provide reliable sample preservation for ore powder, granular mineral samples and geological specimens throughout field exploration, mineral testing and laboratory workflows.

Application Scope

These aluminum-lined kraft sample bags are widely used in mining laboratory and geological operation workflows, including mineral sample preparation, metallurgical testing, mineral analysis and hydrometallurgical sample preservation.

Mineral Sample Preparation

The bags are suitable for classified packaging and temporary storage of crushed ore powder, ground mineral samples and washed sediment specimens. The composite barrier structure helps isolate external moisture and air exposure, maintaining sample condition before laboratory pretreatment and analysis.

Metallurgical Testing and Mineral Analysis

Different bag sizes support separate storage of parallel test samples, blank control samples and batch inspection specimens. Standardized sealed packaging maintains consistent preservation conditions, supporting repeatable ore grade detection and elemental analysis workflows.

Hydrometallurgical Sample Preservation

The bags are suitable for storing solid leaching residues, precipitated mineral solids and tailing experimental samples. Moisture-resistant protection helps maintain representative sample characteristics for subsequent wet chemistry verification and metallurgical evaluation.

Features

Composite Barrier Protection

Premium kraft paper and aluminum lining structure provide moisture-proof, oxidation-resistant and light-shielding performance, supporting long-term preservation requirements for mineral samples.

Thickened 140-Micron Structure

The uniform 140-micron composite material improves tensile strength and puncture resistance, reducing the risk of bag damage and sample leakage during transportation and laboratory handling.

Reusable Zipper Sealing Design

The self-sealing zipper allows repeated opening and closing operations, facilitating sample inspection, secondary sampling and daily laboratory management while maintaining sealing performance.

Stable Stand-up Storage Structure

The bottom gusset design enables stable vertical placement, improving cabinet organization and classified management efficiency for batch mineral samples.

Multiple Size Selection

11 standard specifications cover different sample volume requirements, from small laboratory samples to larger geological exploration specimens.

Consistent Manufacturing Quality

Unified industrial production standards ensure stable thickness, sealing performance and overall sample protection quality across different bag sizes.

Specification

No.	Size (W × H + Bottom Gusset)	Thickness	Weight per 100 PCS	Carton Dimension	Quantity per Carton
1	9 × 14 + 3 cm	140 microns	0.4 kg	54 × 38.5 × 38 cm	8000 PCS
2	11 × 18.5 + 3 cm	140 microns	0.6 kg	61.5 × 31.5 × 43.5 cm	6000 PCS
3	13 × 18.5 + 4 cm	140 microns	0.74 kg	58 × 33 × 44.5 cm	4500 PCS
4	13 × 21 + 4 cm	140 microns	0.8 kg	58 × 33 × 44.5 cm	4500 PCS
5	15 × 21 + 4 cm	140 microns	0.95 kg	62.5 × 32.5 × 38 cm	3500 PCS
6	15 × 24 + 4 cm	140 microns	1.01 kg	62.5 × 32.5 × 38 cm	3500 PCS
7	17 × 24 + 4 cm	140 microns	1.17 kg	53.5 × 34.5 × 45 cm	3000 PCS
8	18 × 26 + 4 cm	140 microns	1.34 kg	57 × 35.5 × 38 cm	2500 PCS
9	18 × 30 + 5 cm	140 microns	1.52 kg	57 × 35.5 × 38 cm	2500 PCS
10	20 × 30 + 5 cm	140 microns	1.73 kg	62.5 × 37.5 × 38 cm	2300 PCS
11	23 × 35 + 5 cm	140 microns	2.33 kg	48 × 41.5 × 45 cm	1800 PCS

Other Specification for Option

Custom sizes and customized logo printing services are available according to project-specific sample identification, classified management and packaging requirements for mining and geological laboratories.

Why Choose FKN PANDA

FKN PANDA Heavy-duty Aluminum-lined Kraft Sample Bags provide reliable sample protection performance. The composite barrier structure reduces moisture absorption, oxidation exposure and contamination risks during storage and transportation, helping maintain original mineral sample characteristics for repeatable analysis.

The products deliver strong operational reliability. The standardized 140-micron thickened structure provides stable tensile and tear resistance, supporting demanding field sampling conditions and repeated laboratory handling procedures.

The complete size range improves laboratory workflow efficiency. Different volume options simplify sample classification, storage and retrieval processes, helping laboratories establish organized mineral sample management procedures.

These sample bags are compatible with geological exploration, mineral sample preparation, hydrometallurgical specimen preservation and long-term sample archiving workflows, supporting standardized mining laboratory operations.

Reusable zipper sealing design and optimized size selection reduce unnecessary consumable waste and improve procurement efficiency, providing a practical sample packaging solution for mining enterprises, geological teams and metallurgical laboratories.

Aluminized Kraft Paper Sample Bags – FAQ

Q1. How to select aluminized kraft paper sample bags for different mining laboratory applications?

Selecting aluminized kraft paper sample bags should consider sample type, storage conditions, moisture sensitivity, and the requirements of the mineral testing workflow. In mining laboratories, sample bags are commonly used from field collection through sample preparation and metallurgical evaluation stages. The selection process should evaluate barrier performance, bag structure, sealing method, and compatibility with ore samples such as sulfide minerals, oxide ores, or fine powder materials. Proper bag selection helps maintain sample identification, reduce handling risks, and support reliable analytical results during exploration, mineral processing research, and routine laboratory operations.

Q2. What are the critical barrier properties required for aluminized layers in mineral sample storage bags?

The aluminized inner layer plays an important role in protecting mineral samples from external environmental influences during storage and transportation. Key considerations include resistance to moisture penetration, protection against contamination sources, and stability during extended sample holding periods. For mining laboratory applications, these properties are especially relevant when samples require preservation before mineral analysis, metallurgical testing, or hydrometallurgical evaluation. A suitable barrier structure helps maintain the original condition of collected samples and supports consistent laboratory workflows from sample receipt to final testing procedures.

Q3. Can aluminized kraft paper bags maintain sample integrity during long-term metallurgical test programs?

Aluminized kraft paper sample bags can support long-term sample storage requirements when selected according to the characteristics of the stored material and environmental conditions. In metallurgical test programs, samples may require storage between different testing stages, including preparation, chemical analysis, and process evaluation. The multilayer structure helps provide additional protection compared with basic paper packaging by reducing exposure to moisture and external contamination. Laboratories should also consider proper labeling, storage conditions, and sample management procedures to maintain traceability throughout extended testing programs.

Q4. How do aluminized inner coatings improve sample preservation in mineral testing workflows?

The aluminized inner coating provides a protective barrier between mineral samples and external conditions, which is valuable for maintaining sample stability during laboratory handling. In mineral testing workflows, changes caused by moisture exposure, contamination, or unsuitable packaging may affect sample preparation and analytical consistency. By providing additional protection, aluminized sample bags help laboratories preserve sample condition from collection through preparation and testing stages. They are suitable for applications where maintaining sample identity and reducing storage-related risks are important considerations.

Q5. What factors should be considered when selecting aluminized sample bags for high-volume mining laboratory operations?

For high-volume mining laboratory operations, sample bag selection should focus on workflow efficiency, storage management, and consistent supply requirements. Important factors include bag size, material structure, sealing performance, identification compatibility, and suitability for different ore sample quantities. Large exploration programs and mineral processing laboratories often manage thousands of samples, making organization and traceability essential. Properly selected aluminized kraft paper bags can support efficient sample handling from field collection to laboratory testing while reducing risks associated with sample loss, mixing, or improper storage.

Q6. Can aluminized kraft paper sample bags be used for both field collection and laboratory storage?

Aluminized kraft paper sample bags can be applied in both field collection and laboratory storage workflows when their specifications match the project requirements. During exploration activities, samples must be protected from environmental exposure while maintaining clear identification. After transportation to the laboratory, the same samples may continue through preparation, mineral testing, and metallurgical evaluation. Using suitable sample storage bags across different stages can simplify sample management procedures and support better continuity between field operations and laboratory analysis.

Q7. How do self-sealing aluminized sample bags improve sample traceability and handling efficiency?

Self-sealing designs can improve sample handling efficiency by providing a practical method for closing and securing mineral samples during transportation and storage. In mining laboratories, maintaining sample traceability is essential because results depend on accurate connection between collected materials and analytical records. A reliable sealing method helps reduce accidental sample loss, unnecessary exposure, and handling errors. When combined with proper labeling systems and laboratory documentation procedures, self-sealing aluminized sample bags support more organized sample management throughout exploration and mineral testing workflows.

Q8. How do aluminized kraft paper sample bags reduce contamination risks during mineral analysis?

Reducing contamination risk requires proper sample handling practices combined with suitable storage materials. Aluminized kraft paper sample bags provide a protective internal barrier that helps isolate mineral samples from external environmental factors during storage and transportation. In contamination-sensitive applications, such as detailed mineral analysis or metallurgical research, selecting appropriate packaging is part of maintaining sample quality. Laboratories should also follow controlled handling procedures, including proper labeling, clean working areas, and separation of different sample types to support reliable analytical workflows.

Q9. What are the key considerations when upgrading from standard sample bags to aluminized kraft paper sample bags?

Upgrading from standard sample bags to aluminized kraft paper sample bags is usually considered when laboratories require improved sample protection and storage reliability. The evaluation should focus on the characteristics of the ore samples, expected storage duration, transportation conditions, and testing requirements. For mining exploration and mineral processing laboratories, improved packaging can support better sample preservation between collection, preparation, and analysis stages. The decision should be based on workflow requirements rather than packaging alone, ensuring the selected bag structure matches the laboratory's operational needs.

Q10. How should laboratories organize aluminized sample bag inventories for continuous mining operations?

Effective inventory management is important for laboratories handling continuous mineral sampling activities. Laboratories should organize aluminized sample bags according to size, application, project requirements, and consumption frequency. Clear storage procedures help ensure availability during exploration campaigns, sample preparation activities, and metallurgical testing programs. Maintaining proper inventory records also supports procurement planning and reduces workflow interruptions. For expanding laboratories or high-volume mining projects, a structured sample bag management system contributes to more efficient and traceable sample handling operations.

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