Confidential
Apr, 2021

Prohibited substances and Recommended materials for ROSAHL
1. Prohibited substances
The substances which adversely affect ROSAHL and harm in response to a dehumidifying element are asfollows. The anode side is affected mainly. Even the additives of materials may be affected. Please evaluateenough when a new substance is adopted or a maker is changed.
Classification

Inorganic
MatterOrganic
MatterSubstance Namehydrochloric acid gas

StateNotes

gas

nitric acid gas
other corrosion gases
SOx gasNOx gaschlorine gas
sulfurous acid gas
other pollution gases
concentrated hydrochloric acidconcentrated nitric acidsubstance which produces othercorrosion gas
divalent metal ion
siloxane gas
oxime gas
lamp black
diethylamine
other amine-based gas
amide-based low molecular weightcompoundmethylene chloride
perchloroethylene
trichloroethylene
perchloroethylene
tetrachloroethylene
other chlorinated solvent
oil mist
dimethyl sulfoxide
other sulfur based organic solvent
silicone sealantsilicone greasesilicone rubber
silicone-based sealing compoundother siloxane chemical compoundpran-ace
camphorother insect repellent
paradichlorobenzene
other chlorine-based insect repellent
vapor phase inhibitor
corrosion inhibitor which is added inmaterials
cigaret tar constituent

gas
gas
gas
gas
gas
gas
gas
liquidliquid

2,6-Di-tert-butyl-4-methylphenol (BHT)

liquidliquidliquid
gas
gas
gas
gas
gas
gas, liquid
liquidliquidliquidliquidliquidliquidliquidliquidliquid
solid
solid
solid
solid
solid
solid
solid
solid
gas, liquidgas, liquid
liquid, solid

These substances produce siloxane gas.
Heat treatment (bake) is necessary to remove
low molecule siloxane of non-reaction.

liquid, solidgas, liquid(1/2)

The antioxidant which was added in packing

RB-D17050B

ConfidentialApr, 2021
2. Recommended materials
The recommended materials in a range understanding in us are as follows.
Classification

Frame

Sealing
CompoundMaterial Name

Notes

Glass
Metal
Acrylic
Plastic

The acrylic and plastic resin has moisturepermeability. Please thicken the board
thickness when using them.

the material which does not include“Silicon group”

Do not use silicon-based sealing compounds.
In addition, about the recommendation
product, please operate ROSAHL after
completely stiffening.
(Please avoid operating ROSAHL beforestiffening.)[Recommended products]
modified silicon caulk(Konishi Co., Ltd.)the material which does not include“Silicon group”

Adhesive[Recommended products]
Silex, SL220W, SL220LB(Konishi Co., Ltd.)
Silicon rubber(secondary vulcanization finished)

Packing

Do not use silicon-based adhesives.

EPT rubber [Ethylene-propylene](single bubble)
PTFE rubber [Polytetrafluoroethylene]

About the silicon rubber, please performsecondary vulcanization by all means.
(ex. 200 deg C / 6 hours)
In addition, we don’t evaluate all siliconrubber, EPT rubber, PTFE rubber.
Please evaluate enough when using them.

The above are just as of April 1, 2021 but not all of them. Please verify in advance and evaluate enoughwhen using our electric dehumidifier “ROSAHL”. We don’t take any responsibility or liability for any
damage or loss caused through the unknown phenomenon and the wrong usage.

Precautions in the Use for the Storage Cabinet
1. When you use ROSAHL to dehumidify into the storage cabinet, do not store volatile rust preventive orthings that organic gas volatilizes. The volatile gas which is released from goods reacted at a membrane's
anode and new harmful gas is produced.
As a result, not only it causes decrease in performance of ROSAHL, but also it might adversely affecton goods in the storage cabinet. We cannot guarantee even if harm occurs to the stored valuables
under the influence of new produced gas. Please evaluate enough when you use ROSAHL for thestorage cabinet.
2. The maker who produces and sells storage cabinet equipped with ROSAHL should explain that enoughfor end users using the storage cabinet.

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RB-D17050B