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4-Slot Absorbent Sleeve for UN3373 Leak-Proof Biohazard Bag Bio Specimen Bag

  • UN 3373 Biohazard Substances
  • UN 3373 Specimen seelve
  • Specimen seelve 4 bay

Water absorption rate is an important indicator to measure the water absorption capacity of absorbent materials. 4 Slot Absorbent Pocket Sleeve uses highly absorbent materials and combines them with a porous structure design to achieve a very high water absorption rate. This sleeve uses high-absorbency porous material, soaking up liquids in 30 seconds to reduce contamination risks during transport. Ideal for clinical trial sample shipping, it helps labs efficiently manage bio-specimens

Product Parameters

Item No.:APS4X320
Size (I.D.: mm):4 x each bay of L 150mm x W 40mm
Size (O.D.: mm):191 x 170 mm
Logistics time:10-20days
Qty per carton:2400 sleeves / carton
Carton size:39 x 35.5 x 30.5 cm
Additional Affiliated Parts: Each pocket sleeve consists of 4 bays, total minimum absorbency 320 cc.

  • APS4X320 absorbent pouch (4)
  • APS7X550 absorbent pouch (1)

Product Details

Four-compartment absorbent bags are a safe packaging solution specifically designed for transporting biohazardous materials classified as UN 2814, UN 2900, and UN 3373. Meets IATA/ICAO standards, 95 kPa pressure-tested certification (third-party report available upon request). Suitable for UN 3373 biohazard substances, including viral and bacterial samples,These bags are usually made of high-quality polyethylene materials with good chemical resistance and durability, which can effectively prevent leakage and contamination.

When handling these biohazardous materials, make sure to use appropriate personal protective equipment (PPE), such as gloves, masks, and protective clothing to prevent direct contact. At the same time, follow all applicable safety regulations and operating procedures to ensure personnel safety and environmental protection.

The Sleeves can be produced in our brand name or ai650 ® or in OEM brands or customized labels of customers.

Product Name4 Slot Absorbent Pocket Sleeve for UN 2814 UN 2900 and UN 3373 Biohazard Substances
Basic MaterialsAbsorbent Paper Sheets, Poly Films
AppearanceUncolored materials in white appearance only
Intended UsePackaging of UN 2814, UN 2900 and UN 3373 Biohazard Substances Suitable for applications within the Clinical Research Organizations, Medical Service Centers, or Bio-Science Laboratories or Biorepositories etc.
MaterialHigh-density polyethylene (HDPE) + absorbent cardboard, chemically resistant pH 2-12

2. Features and facts

FeaturesFacts
AppearanceWhite paper + see-through poly film
Size of the 4 slotted pocket sleeve (4 bay sleeve)L 191 x W 170 mm (+/-5mm)
Internal Size of each bayL 150mm x W 40mm (+/-1mm)(approx. 5.9 x 1.6 inches)
Maximum diameter of the tube that each bay can accommodateOD 25mm
Max load50g sample weight per slot
Minimum Absorbent Capacity (by normal saline, 25 ºC)320 ml
Compatible tube diameter:OD 10-25mm (supports Eppendorf, Falcon, etc.)
CertificationISO-9001:2015
Test Date2025

3. Packaging and Storage Instructions

Packing2400 sleeves per outer carton
Humidity RangeKeep in a cool and dry place
Sunlight EffectKeep away from direct sunlight or fluorescent light
Compliant StandardsUN3373, IATA P650 Packaging Instruction 650
Absorbent PadBuilt-in, highly absorbent
Sealing MethodPressure-sensitive adhesive, tamper-evident
Temperature Range-40°C to +55°C
Available ColorsTransparent

Key Features

  • Here are the key features that make our 4-Slot Absorbent Sleeve the reliable choice for your bio-substance transport needs.
  • UN3373 & IATA P650 Compliant:Ensures full compliance for the safe and legal air transport of Category B biological substances, giving you peace of mind.
  • Robust Leak-Proof Barrier:Constructed from high-density polyethylene, this bag provides a primary, impermeable barrier to prevent any liquid leakage during transit.
  • 4 slot Sample Tubes :Securely holds up to four standard-sized sample tubes (e.g., 10-16 ml), preventing contact, breakage, and cross-contamination.
  • Super-Absorbent Pad Included:Quickly captures and retains accidental spills or leaks from up to 100ml of liquid, protecting the outer packaging and handlers.
  • Integrated Tamper-Evident Seal:Provides visible evidence of opening, ensuring the integrity of your samples from dispatch to receipt and enhancing chain of custody.
  • Clear Document Pocket:Offers easy access and visibility for shipping documents, lab forms, and manifests, streamlining logistics and handling.
  • Wide Temperature Tolerance:Maintains integrity across a broad temperature range (from -40°C to 55°C), suitable for various climate conditions and cold chain shipping.

4. Quick Start Guide

  • 1. Wear PPE;
  • 2. Place samples in slots;
  • 3. Seal outer bag;
  • 4. Apply labels.” Include “Common Mistakes to Avoid: Do not overload, ensure absorbent capacity > 3x sample volume

5.Instructions:


Step 1: Place the sample tube into the well;
Step 2: Ensure the absorbent material is covered;
Step 3: Seal and apply the UN 3373 label;
Step 4: Avoid overloading and ensure the absorbent capacity is greater than three times the sample volume.

Q: How much liquid can this sleeve absorb?

Minimum 320ml saline (25°C)

Q: How does it differ from the 7-slot version?

A: 4 slots suit small batches, 320ml vs 550ml capacity.

Q: Can the sample bags and absorbent pads be purchased separately?

A: Yes, they can be purchased separately or combined as needed.

Q: Can I request a free sample?

A: Samples are free. Please email our sales
market@biospecimenbag.com team for more information.

Product Advantages

  • Cooperating suppliers

    It is a long-term supplier of pyrite to JFE in Japan and also a long-term supplier to Zewu in Japan.

  • Production guarantee

    Strict quality control, the use of modern production management processes, and complete supporting equipment ensure timely delivery of high-quality products.

  • Quality assurance

    The product quality is visible and the latest third-party professional testing reports can be provided for free; Welcome to visit the factory on site.

  • product guarantee

    Excellent product quality: Our company's products undergo strict inspection before leaving the workshop, and a complete quality control system provides a good guarantee for producing excellent products. Quality certification through ISO-9001.

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