A vacuum sealed WHS® moisture barrier bag

An empty WHS® moisture barrier bag with an 8 inch ePRO wafer shipping box

Moisture barrier bag

380x420 mm Moisture Barrier Bag

WHS-B-2004

Multi-layer construction for antistatic, moisture, and puncture resistance
Short lead times and small order quantities offered

WHS® Moisture Barrier Bags are designed to deliver reliable, high-level protection for semiconductor wafers and sensitive electronic components during storage and transportation. Their advanced multi-layer structure safeguards against moisture, electrostatic discharge, and contamination, making them ideal for demanding cleanroom and production environments.

With an exceptionally low moisture transmission rate, WHS® bags support long-term storage without compromising product integrity. The 380x420 mm moisture barrier bag is ideal for shipping 4" or 6" multi wafer shipping boxes or 8" single wafer shippers, a WHS® MBB compatibility sheet is available in the downloads tab below.

Manufactured in an ISO 9001–certified facility and CE certified, WHS® Moisture Barrier Bags meet international quality and safety standards, offering a dependable and cost-effective packaging solution for the semiconductor and electronics industries.

Applications:	4&6" Vacuum formed wafer shipper box, ePRO wafer shipping box 4"
Cleanroom designation:	ISO 3 (Class 1 FS209E)
Esd safe:	Yes
Inner Size:	380 x 420 mm
Product Material:	Anti-static layer
Puncture strength:	96.86-112.55 N (GB/T 39588-2020)
Surface resistance:	109-1010 Ohm (ANSI/ESD STM11-11)
Tensile strength:	54.16-70.19% (GB/T 39588-2020)

Drawings →

Datasheet →

WHS bag/ePAK shipping product compatibility sheet →

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380x420 mm Moisture Barrier Bag

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