Knowledge Base: Professional Sterile Laboratory Sampling Bags
1. 产品简介
Our Sterile Sampling Bag provide safe, 防泄漏, and contamination-free containment for the collection, 运输, and short-term storage of liquid, 坚硬的, 和半固体样品. Engineered for rigorous scenarios including food safety inspection, environmental monitoring, and biomedical research, these disposable sampling bags have become the preferred industry solution for standardized aseptic sampling operations.
2. 产品定义
无菌采样袋, commonly known as wire-closure sampling bags, are flexible disposable laboratory consumables manufactured from high-strength medical-grade polyethylene (PE) 材料. Equipped with an integrated wire closure system at the top, the bags can achieve complete airtight and moisture-proof sealing after sample collection. They effectively replace bulky rigid sampling containers, greatly saving storage space and reducing overall operational costs.
3. 材料 & 技术参数
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范围
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规格详情
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材料
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High-purity medical-grade virgin LDPE resin
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Sterilization Standard
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Gamma irradiation / ETO sterilization (SAL 10⁻⁶)
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Film Thickness
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2.5 mil – 4.0 米尔 (custom heavy-duty thickness available)
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透明度
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高清晰度 (≥95% light transmittance) for direct visual sample inspection
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耐温性
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-40°C 至 +80°C (supports low-temperature frozen sample storage)
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Compliance Certification
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FDA, CE, ISO 13485, 无BPA, Pyrogen-free
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4. 核心优势
1. Guaranteed Aseptic Performance Every sampling bag is independently sterilized by gamma radiation. Equipped with a tamper-evident tear strip, the internal sterile environment remains intact before official use, effectively avoiding secondary contamination.
2. Reliable Leak-Proof Sealing Featuring a dual metal wire closure design, the bag forms a tight whirl seal after winding. Compared with ordinary zipper bags, it provides stronger airtightness and liquid tightness, preventing sample liquid leakage and odor dispersion.
3. 优秀的穿刺性能 & 抗撕裂性 Adopting high-strength modified PE formula, the bags withstand the extrusion and impact of stomacher homogenizer processing, and are not easily torn by sharp-edged solid samples.
4. Professional Traceability Design A large smudge-resistant white writing area is reserved on the bag surface, allowing clear marking of sample information, batch numbers, and test data to ensure full sample traceability.
5. Space & Cost Saving Lightweight and foldable, flexible bag design reduces 90% of storage space compared with traditional rigid sampling jars, greatly cutting down bulk packaging and international logistics costs for B2B customers.
6. 安全的 & 环保 Made of 100% pure virgin raw materials, free from silicone, plasticizers and pyrogens. No interference with sensitive laboratory test results, and the material is fully recyclable.
5. 规格 & 定制
包装表格: Available in individual sterile sachet packaging and perforated roll packaging (transparent shrink-wrapped rolls), suitable for automated high-volume laboratory production lines.
音量范围: 60毫升, 120毫升, 530毫升, 710毫升, 1600毫升, up to 5000ml
Regular Dimensions: 3″×5″, 4.5″×9″, 7.5″×12″ and other mainstream sizes
定制服务: Support OEM logo printing, customized film thickness, and exclusive size customization (MOQ applicable for personalized orders).
6. 应用程序方案
食物 & Beverage Testing: Sampling and pathogen detection (沙门氏菌, Listeria, ETC。) for food raw materials, finished products and semi-finished products.
环境监测: 水质采样, soil sample collection, and surface microbial sampling for environmental inspection.
医疗的 & Pharmaceutical Industry: Collection of clinical specimens and sampling testing of pharmaceutical raw materials and auxiliary materials.
Agricultural Testing: 粮食, seed and agricultural product sampling, as well as moisture and impurity detection.
7. 用法 & Storage Guidelines
如何使用: Tear off the top tamper strip, pull the opening tabs to unfold the bag, place the sample inside, twist the bag mouth along the built-in wire for 3 circles, and fold both wire ends to complete locking and sealing.
Storage Conditions: 存放于阴凉处, dry and dark environment, away from direct sunlight and high temperature. Keep the outer carton sealed to protect the independent sterile inner packages.
保质期: 3 years from the sterilization date under standard storage conditions.
8. 常问问题
问: Are these sampling bags BPA-free? 一个: 是的. All our bags are made of pure virgin LDPE resin, 100% free of BPA and phthalates, safe for food and laboratory contact.
问: Can the bags be used with a stomacher homogenizer? 一个: 确实. 我们的 4.0 mil heavy-duty sampling bags are specially thickened and optimized to adapt to high-frequency homogenizer stirring and blending without breaking.
问: What is the lead time for an order of 100,000 件? 一个: Standard sizes are in stock for fast delivery. Customized orders normally take 15–20 working days for production.
问: Can you provide COA certification? 一个: 是的. Batch-specific Certificate of Analysis (sterility report) is provided with every shipment.
问: Is the internal wire safe for sample contact? 一个: Absolutely safe. The metal wire is fully wrapped and isolated by PE film, with no direct contact with the sample.
问: Can the bags be used for deep freezing? 一个: 是的. The material maintains good flexibility and toughness at -40°C, suitable for long-term frozen sample preservation.
问: Is the film transparent enough for sample observation? 一个: 是的. The high-transparency film supports real-time visual inspection of sample color, clarity and texture changes.
问: Are free samples available for testing? 一个: 是的. We offer free sample kits for qualified B2B buyers (customers bear the freight cost).
问: Do you provide flat-seal or gusseted stand-up types? 一个: Both styles are available. We can provide flat-sealed bags and gusseted self-standing bags according to customer requirements.
问: How are the products packed for international shipping? 一个: Adopt double-layer sterile inner packaging + thickened export carton outer packaging to prevent extrusion damage and ensure sterile integrity during long-distance transportation.
