Breathable Sheet BREATHRON®

Water and wind won't pass through, but air and moisture vapor do. This film truly breathes.

Water and wind won't pass through, but the necessary air is taken in, and moisture vapor is released. BREATHRON combines all of these functions into one material. Its secret comes from a complex mixture of microscopic pores in micron units. <Moisture Permeability and Water Resistance> <Air Permeability and Wind Resistance> This seemingly contradictory combination of features can be controlled upon the customer's request. These capabilities are also used in the adhesive heating pad industry, which requires highly-efficient ventilation and stability. BREATHRON breathable film meets a wide range of applications.

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Features
Structure
Properties
Applications
Precautions

Features

BREATHRON is a porous film, featuring hundreds of little holes that cannot be detected by the naked eye.
Air passes through, but water does not. Perspiration and moisture vapor pass through.

Air passes through, but water does not.

Perspiration and moisture vapor pass through.

Structure

Standard Size

Product width(mm)	Product length(m)
315,420	500,1000

Properties

Product name		BRN-A120E1	BRN-1860	BRN3000E1	BRN-9000EB
Thickness	mm	0.25	0.35	0.25	0.27
Air resistance	Sec/100cc	28000	4500	400	3900
Moisture-vapor permeability	g/m²・day	410	860	4500	1100
Water bearing pressure	kPa	80<	80<	80<	80<
Composite material (nonwoven fabric)		PET nonwoven fabric(30g/m²)	Nylon nonwoven fabric(40g/m²)	PET nonwoven fabric(30g/m²)	PET nonwoven fabric (black)(50g/m²)

Applications

Disposable adhesive heating pads

Dehumidification agents, air fresheners

Precautions

Store away from direct sunlight, in a well-ventilated area at room temperature with normal humidity.
For quality and safety in various applications, please fully confirm compatibility with your products before use.
Long-term use under severe conditions may lead to deterioration. Once the product is delivered, please use it within the term of guarantee.

This data sheet provides product measurement values under certain conditions only. These values are not guaranteed in every circumstance.
The quality, performance, and functionality of this product will differ depending on your conditions of use. For details, please contact our products division.
Manufacturing of this product may be halted, or its specifications may be altered, at any time without prior notice.
Intellectual assets related to this text are held by Nitoms, Inc. If this text is to be used for reasons unrelated to the purpose intended by our company, please contact our products division to discuss it in advance. Unauthorized copy or reproduction of this text is strictly prohibited.