Dehumidifier &  Humidity Control Specialist                 Way Technovation

                                                        General Recommended RH Level Guide

Note: The enclosed information is not absolute. It is to serve as a general guide line base on information which we have collected over
the years. There may be vast different values given by different designers as products keep changing and improving . We advise that
qualified engineers & product consultants be engaged before determining the required space condition. We hope that this information
will serve our clients better in selection of equipment and space condition design.

 

Type of Product  

 RH

Type of Product  

 RH
Sugar Storage    20-35% Laboratory electronics    45-60%
Breweries    35-45% Plastic Pallets    5-30%
Coffee Powder    30-40% Computer peripherals    50-60%
Milk Powder Storage    20-35% Rust Resistance     Below 40%
Seed Storage    35-45% Medical Syrups    30-40%
Unpacked Medicine    20-35% Capsule Storage    30-45%
Anti-Fungus    45-55% Powder Storage    30-45%
Camera Lenses    40-55% Wood Drying    25-35%
HT Switch Room    45-55% Explosive    *35-50%
Transformer winding    15-30% Hospital Electronics    45-65%
Semiconductors    30-50% Normal Storage    50-55%
Archive    40-55% Musical Instrument    45-55%
Paper Storage    35-45% Leather Product    40-55%
Rust Prevention    below 55%, 
>40% for zero rust 
Cable Wrapping    15-25%
Library    50-55% Chemical Lab.    30-45%
Spray Paint    30-50% Harddisk Production    40-50%
Lithium Battery  

 Below 2 %

Magnetic Tapes    40-55%
Wafer Relatede  

 5-10%

   

Note: * Explosive storage must not be less than 30% RH as static electricity may build up and cause sparks in the air to
cause an explosion. Special DH in one way air flow arrangement or total explosion proof system is needed for such environment.

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INFORMATION FOR DEHUMIDIFICATION PROCESS

Calculating Humidity Load & Sizing Dehumidifier
Comparison between Desiccant & Condensation DH

Conversion Table

Introduction  to the idea of Dehumidification

Low Humidity Application

Psychrometric Chart on line

Recommended RH for various product
How to locate us ?
Calculate Psychrometrics values

 





Home Page
DST Desiccant DH 60 L/day Floor Standing Portable DH
Big Desiccant Dehumidifiers 140-300 L/day Condensation
Dehumidifier
Small Desiccant Dehumidifiers General Purpose 
Dry Cabinets
Europe Condensation Dehumidifiers Japan Super Dry Cabinets
15 L/day Portable Dehumidifier Dr Storage Dry Cabinet
16 L/day-Portable Dehumidifier Cold Room Dehumidifier
22 L/day Portable Dehumidifier Humidifier / Steamer
40 L/day Portable Dehumidifier
35 L/day -Portable Dehumidifier
80 L/day Floor Standing Dehumidifier


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Address: Block 28, KALLANG PLACE, # 03-16/17, SINGAPORE 339158. Fax: 65- 6234 6389  email: email@way-technovation.com