3710 MBB

Categories: ESD Packaging, Static Control

Uncompromising Barrier Integrity for Your Most Sensitive Hardware

The 3710 MBB is engineered for the most rigorous storage and transport requirements. Featuring a 7.0-mil multi-layer construction, it provides an elite moisture vapor barrier and superior puncture resistance for high-value, static-sensitive components.

Maximum Durability: 7.0-mil gauge for enhanced protection against sharp edges and heavy handling.
Precision Sealing: Optimized for high-integrity closures with a recommended temperature range of 300–400°F, a dwell time of 0.45–0.6 seconds, and pressure of 30–70 PSI.
Standards Compliant: Meets or exceeds MVTR and EMI/RFI/Static Shielding requirements; RoHS and REACH compliant.

Product Specifications

The 3710 Series is our most rugged Moisture Barrier Bag. Engineered with a heavy-duty 7.0-mil construction, it is designed to maintain vacuum integrity and ESD protection under the most extreme physical conditions.

Physical & Mechanical Properties

Superior structural integrity for heavy payloads and sharp-edged components.

Properties	Test Method	Specification
Thickness	Micrometer	7.0 mils
MVTR	ASTM F-1249 @ 100 F	< .008 grams 100 sq. in. / 24 hrs
Yield	TCI #2	4,141 sq. in. / lb
Tensile Strength	ASTM D-882	40 lbs / in
Puncture Resistance	FTMS 101C	20 lbs
Mullen Burst	ASTM D-774	> 72 PSI
Seam Strength	ASTM D-882	> 12 lbs. / in

Electrical & Shielding Performance

Provides a high-attenuation Faraday cage to protect sensitive internal circuitry.

Properties	Test Method	Specification
Surface Resistivity	ASTM D-257 @15 RH	7.0 mils
Surface Resistance	ANSI/ESD STM 11.11	PE < 10¹¹ PET < 10¹¹
Static Shielding	EIA-541	< 20 volts
Static Shielding	EOS/ESD S11.31	< 10 nJ
Electrostatic Decay	FTMS 101 Method 4046	0.03 sec
EMI Shielding		45 dB

Heat Sealing Parameters

To ensure the maximum protective seal, the following parameters are recommended:

Temperature: 300°F – 400°F
Dwell Time: 0.45 – 0.6 seconds
Pressure: 30 – 70 PSI

Cleanliness & Compliance

Compatibility: Safe for use with Aluminum, Copper, Silver, and Polycarbonate.
Purity: Amine-free and Amide-free.
Standards: Fully RoHS and REACH compliant.

Series Comparison: 3710 vs. 3600

While both series offer elite moisture protection, the 3710 MBB is our thickest and strongest barrier bag, designed for maximum physical durability.

Feature	3600 MBB	3710 MBB (Ultra Heavy Duty)
Thickness	6.1 mil	7.0 mil
Puncture Resistance	> 21 lbs	20 lbs (High-Performance)
Tensile Strength	24-29 lbs/in	40 lbs/in
MVTR	< 0.0003 mgs	< 0.008 grams
Mullen Burst	72 PSI	> 72 PSI
Primary Advantage	High flexibility & puncture resistance.	Maximum tensile strength & thickness.

Which Bag is Right for You?

Choose the 3600 MBB if:

You need a highly flexible 6.1-mil bag with excellent puncture resistance.
Your application requires an ultra-low MVTR of < 0.0003 for long-term moisture sensitivity.
You are looking for a balance of high-end protection and material pliability.

Upgrade to the 3710 MBB if:

Maximum Strength is Required: With a 7.0-mil construction and 40 lbs/in tensile strength, this is our most rugged moisture barrier.
Heavy/Sharp Payloads: Ideal for heavy metal assemblies or large items that put extreme stress on the bag material.
Enhanced Structural Integrity: Best for vacuum-sealed applications where bag “draw-down” requires maximum material thickness to prevent failure.

Custom Solutions & Engineering

While the 3710 Series is our most rugged off-the-shelf moisture barrier, we recognize that mission-critical hardware often requires bespoke packaging parameters. Bennett and Bennett offers full customization for the 3710 line to meet specialized military, aerospace, and industrial standards.

Heavy-Duty Customization Options

Industrial Sizing: Custom-converted dimensions for oversized PCB panels, heavy sub-assemblies, and large-scale telecommunications equipment.
Variable Closures: Choose between standard open-top formats for high-integrity vacuum sealing or heavy-duty re-closable zippers for reusable protective storage.
Technical Labeling: High-visibility custom printing for ESD warnings, sensitive handling instructions, part numbers, or branding.
Specific Gauge Requirements: While the standard 3710 is 7.0-mil, we can discuss alternative laminations for specific chemical or physical resistance needs.

Engineered for High-Stress Logistics

The 3710 MBB is the go-to choice when standard bags fail. If you are dealing with:

Extreme Weight: Components that require the 40 lbs/in tensile strength of the 3710.
Sharp Geometries: High-density connectors or sharp heat sinks that demand maximum puncture resistance.
Long-Haul Freight: International shipping where vacuum integrity must be maintained through significant pressure and temperature changes.

Consult with Our Specialists

Not sure if your application requires the 7.0-mil 3710 Series or the high-performance 3600 Series? Our engineering team can help you select the right material based on your specific payload and environmental factors.

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