Humidity Indicator Cards

Humidity Indicator Cards

Humidity Indicator Cards (HICs) provide a low-cost method of indicating humidity conditions inside a moisture barrier bag after vacuum packaging. The indicator spots on the HICs change colour as the humidity increases and decreases.

In order to constantly verify that dry packaging methods are not compromised during storage and transport of these products, humidity indicator cards allow users along the supply chain to monitor the package conditions. Indicator spots change from brown to green after exposure to the relevant relative humidity conditions. The cards are reversible and change as conditions change in the packaging environment, allowing users to monitor the conditions of product packaging.

Features and Benefits

  • Lightweight material
  • Quickly measure humidity levels
  • Can be vacuum sealed
  • Cost-effective
  • Early identification prevents damaged items from entering production
  • Identify and/or monitor humidity levels prior to opening inner contents

Applications

  • Dry packaging of semiconductor and electronic devices
  • Storing components in moisture barrier bags

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ESD expert
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+44 (0)1473 836200
(lines open 9am – 5pm GMT Mon-Fri)

Standard Indicator Cards

One Spot

Our one spot humidity indicator card is designed for use in desiccant containers to ensure the desiccant is in an activated condition.
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One spot hic

Three Spot

The indicator spots on the HICs change color from blue to pink as humidity increases and from pink to blue as humidity decreases.
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3 spot hic

Four Spot

The indicator spots on the HICs change colour from blue to pink as humidity increases and from pink to blue as humidity decreases.
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4 spot hic

Six Spot

The indicator spots on the HICs change colour from blue to pink as humidity increases and from pink to blue as humidity decreases.
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6 Spot Humidity Indicator card

Maximum Humidity

Each level of relative humidity is representative by a blue crystal that dissolves to a large blue spot.
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Maximum humidity indicator

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ESD expert
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+44 (0)1473 836200
(lines open 9am – 5pm GMT Mon-Fri)

Cobalt Free

Environmentally friendly Cobalt Free Humidity Indicator cards do not contain cobalt and some configurations can be produced with less than 900 ppm halogen levels where required.

Cobalt Free HI Cards provide humidity level indication for dry packaging to electronic and semiconductor manufacturers who desire a card without cobalt.
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Three Spot Cobalt Free

Three spot indicator card, designed to be transported with heat-sealed moisture barrier bag.
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3 spot cobalt free

Six Spot Cobalt Free

This card measures 6 spots from 10% – 60% humidity. Brown indicates dry. Contact us to find out more >>

6-spot-cobalt-free

Three Spot Cobalt

These cards are ideal for dry packaging of semiconductor and electronic devices.
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3 spot humidity indicator

Cobalt Dichloride Free

Cobalt-Dichloride Free Humidity Indicator (HI) Cards provide electronic and semiconductor manufacturers with a JEDEC-compliant humidity indicator card that is free of Cobalt-Dichloride, a chemical regulated under European Chemical Bureau (ECB) REACH directives.
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Three Spot Cobalt Free

Three spot HIC indicates from blue to pink.
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3 spot dichloride free hic

Six Spot Cobalt Free

This card measures 6 spots from 10% – 60% humidity.
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6 spot dichloride free HIC

Contact an
ESD expert
Call
+44 (0)1473 836200
(lines open 9am – 5pm GMT Mon-Fri)

Learn more about Humidity Indicator cards

Contact us for more information or to receive a data sheet. We have a wide range of HICs available in stock and ready to ship.

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