HUMIDITY INDICATOR CARDS
moisture-sensitive devices have been subjected. Type 1 and Type 2 HICs that have
been exposed to 60% or greater RH will no longer be considered accurate.
An integral part of a complete moisture barrier packaging assembly is the
Humidity Indicator Card. High relative humidity can cause significant, possibly
irreparable damage to sensitive equipment, supplies, and products. To ensure
dehydration measures work, humidity indicator cards measure the relative
humidity (RH) inside sealed packages to allow immediate visual inspection of
whether it has sustained unsafe humidity levels.
Application
The Monitor Card contains chemically impregnated, humidity sensitive, indicating
spots that will change color with moisture. The comparison bar is used to
determine relative humidity of air. Select the indicating spot that most closely
matches the color of the comparison bar. The measured relative humidity is
the percentage indicated on the matching spot. The chemical reaction of the
indicating spots is completely reversible; the spots will continue to change color
as the moisture levels change. Our HICs’ chemistry formula involves a cobalt
compound, but no sulfur compounds.
Humidity Indicator and Monitor cards comply with MIL-I-8835A and are sold
in cans. The 2” x 3” blotting paper cards indicate relative humidity exposure.
Humidity Indicator and Monitor Cards should be inserted and sealed within a
Moisture Barrier Bag with desiccant packs to meet dry pack requirements.
Item#
13868
13869
13870
Std. Package
125 pieces/can
125 pieces/can
100 pieces/can
Relative Humidity
5/10/15
5/10/60
10/20/30/40
1. The humidity indicator spots will change from blue (dry condition) to pink (humid
condition) as the relative humidity changes in the volume of air surrounding the
indicator.
2. Relative humidity is indicated at the lavender color.
3. Indicator spots will change within eight hours of being exposed to a change in
relative humidity.
4. The humidity indicator spots are reversible, and the pink spots will change back to
blue when the volume of air is dried. Humidity indicator cards with pink or lavender
spots can be returned to a blue color by placing indicators in a sealed container
with 33 grams (1 unit) of desiccant for four hours. However, J-STD-033D prohibits
reusing an HIC if the 60% spot has exceeded its threshold.
5. The highest humidity indicator spot should be blue before being put into use.
6. The humidity indicator will be at its most accurate at a temperature of
23 °C (73 °F).
7. Avoid contact with indicator spots. Wash any irritated areas with clean water.
Additional Specs
J-STD-033D Type 1
J-STD-033D Type 1
J-STD-033D Type 1
IPC/JEDEC-J-STD-033D
1.5.7 Humidity Indicator Card(HIC) A card on which a moisture-sensitive
chemical is applied as a spot that will make a significant, perceptible change
when the indicated relative humidity is exceeded.
Note 1: Two types of HIC’s have been defined.
Type 1 HIC(reversible) For reversible spots the change is temporary and occurs
as a change in color (hue), typically from blue (dry) to pink (wet). A perceptible
change will be seen if the humidity threshold is only momentarily surpassed.
Type 2 HIC (nonreversible) For nonreversible spots the change is not temporary
and can be a spot of color migration outside of the spot border or some other
nonreversible indicator. A nonreversible HIC includes at least a 60% RH indicator
spot, but can have other nonreversible RH% indicators that do not revert after
exposure to a humidity threshold.
Note 2: The HIC is packed inside the moisture-barrier bag, along with
a desiccant, to aid in determining the level of moisture to which the
Made in the
United States of America
Specifications and procedures subject to change without notice.
DESCO EAST: ONE COLGATE WAY, CANTON, MA 02021-1407
PHONE (781) 821-8370
Employee Owned
13870
Humidity Indicator Cards (HIC)
DESCO WEST: 3651 WALNUT AVE., CHINO, CA 91710 WEB SITE: Desco.com
PHONE (909) 627-8178
© 2022 DESCO INDUSTRIES INC.
13868
13869
DRAWING
NUMBER
13870
DATE:
January
2022
Handling
EXPOSURE CONTROL/ PERSONAL PROTECTION
1. Store humidity indicators in original sealed container with desiccant when possible
before using, verify that indicator spots have not changed color
2. Replace desiccant bag after three openings of container.
3. Store in dry, cool area.
4. Keep indicators out of direct sunlight.
5. Keep humidity indicators away from water or steam.
6. Ammonia gases will damage humidity indicators.
Control parameters
Sufficient Information for Safe Use
This document has been prepared in order to provide suddicent information for safe
use of the product.
FIRST AID MEASURES
Description of first aid measures
Eye Contact
Skin Contact
Ingestion
Inhalation
Flush with water for at least 15 minutes.
Remove contact lenses, if present and easy
to do. Continue rinsing. If eye irritation
persists: Get medical advice/attention.
Wash with soap and water. If skin irritation
occurs: Get medical advice/attention.
No need for first aid is anticipated
The substance is in a form that cannot be
inhaled. No need for first aid is anticipated.
HANDLING AND STORAGE
Precaustions for safe handling
This product is considered to be an article which does not release or otherwise result
in exposure to a hazardous chemical under nomal use conditions.
Conditions for safe storage, including any incompatibilities
Keep in dry place.
Hazardous
Ingredients
CAS No.
Value Type Control parameters/
(Form of
Permissible concenexposure) tration
Basis
Cobalt Dicloride
Hexahydrate
7791-13-1
TWA
AGIH
0.02 MG/M3(Cobalt)
Exposure Controls
•
Individuals Protection measures
Eye/Face Protection
Skin/Hand Protection
Respiratory Protection
Not Required
Not Required
Not Required
OTHER INFORMATION
DII non-chemical products meet the definition of “article” under Occupational Safety
and Health Administration (OSHA) 29 CRF 1910.1200(c) and Article 4(8) and Section
2.1 of Annex I of Classification, Labeling and Packaging (CLP) Regulation for not
providing Safety Data Sheet (SDS).
This information relates only to the specific material designated and may not be
valid for such material used in combination with any other materials or in any other
process. Such information is to the best of the company’s knowledge and believed
accurate and reliable as of the date indicated. However, no representation, warranty
or guarantee of any kind, express or implied, is made as to its accuracy, reliability
or completeness and we assume no responsibility for any loss, damage or expense,
direct or consequential, arising out of use. It is the user’s responsibility to satisfy
himself as to the suitableness and completeness of such information for his own
particular use.
NOTE: For EU-based downstream user, please ccontact your national REACH
helpdesk if you have further questions on this topic.
Revision Date: 2019-01-15
RoHS, REACH and Conflict Minerals, Statement
See the Desco RoHS, REACH, and Conflict Minerals Statement:
https://desco.descoindustries.com/pdf/Regulatory-Statement-Desco-Humidity-Indicator-Cards.pdf
Desco Industries Limited Warranty
See the Desco Industries Limited Warranty:
Desco.DescoIndustries.com/Limited-Warranty.aspx
© 2022 DESCO INDUSTRIES INC.
Employee Owned
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