Cobalt free color change humidity indicator Card
USD $0.001 - $0.08 /Bag
Min.Order:10000 Bags
Rushan Wufeng Silica Gel Co., Ltd.
Cobalt free color change humidity indicator Card
Introduction
Humidity Indicator Cards Humidity indicator card (also known as HIC, humi Kamoer Humidity Indicator 10-60% 6 Dots dity indicator card, moisture indicator) is a card on which a moisture-sensitive chemical is impregnated such that it will change color when the indicated relative humidity is exceeded. This item is an inexpensive way to quantify relative humidity levels inside sealed packaging.
Humidity Indicator Card can easily measure the relative humidity inside the sealed package to allow a quick and low cost inspection of whether the humidity level is unsafe, and it is reusable!
This Indicator Card has 6 indicating spots (10%-60% RH), they change from Yellow (dry) to Blue (wet). A great tool to assist you in keeping your valuables protected!
The number 10, 20, 30, 40, 50, 60 inside the circle indicates the humidity percentage of 10%, 20%, 30%, 40%, 50%, 60%.
About how the cards work?
There are 10%,20%, 30%, 40%,50%,60% number on each card, when the humidity arrived
at the number, the dot will change colore. Then you willknow thehumidity in the air. Non-toxic desiccant bags designed to inhibit the growth of dangerous mold & fungus. Absorbs moisture and eliminates odors. Built-in color changing replacement indicator tells the consumer when it's time to replace the desiccant.
Ideal for use in bathrooms, kitchens, garage, basements, or any other household application. Excellent for use with car and boat storage as well. Each bag is designed for a 40 cubic foot space. Replace when 30% RH dot turns pink.
Humidity Indicator Card Type:
1, Cobalt humidity card
Contain cobalt chloride, from blue to pink, is a traditional humidity indicator card
2, Cobalt-free humidity card
Do not contain cobalt dichloride, is an environmentally friendly product, with brown becomes blue, and yellow to blue, blue to red three kinds
Main Ingredient
Ingredient | content% | ingrdient | content% |
SiO2 | 99.6 | Na2O | 0.17 |
Fe2O3 | 0.02 | MgO | 0.01 |
CaO | 0.04 | Al2O3 | 0.16 |
Performance parameters
No | Item | Reference standard JIS-Z0701 |
1 | Moisture absorption | Moisture absorption |
| RH=20% | 10% |
| RH=40% | 20% |
| RH=80% | 32% |
2 | water content | <5% |
3 | packing desity g/l | 750 |
4 | PH | 4-7 |
Applications
Humidity Indicator Card can be easily applied in | |
* Electronics | * Military Components |
* Optical Components | * Metals |
* Preservation Package | * Organic Material |
* Bulk Packaging | * Synthetic Material |
Packaging & Delivery
Packaging Detail: |
5000PCS/CTN,10000PCS/CTN
|
Delivery | within 7 days after order |
Note: The moisture content, packing and size can be adjusted according to customers different requirements.
Why Choose Us
1.All of our products are Eco-friendly, MSDS&SGS Approval.
2.We are a manufacture which have 15 years experience in this area, High
productivity, fast delivery.
3.OEM&ODM acceptable
4.Free samples can be provided for test, welcome trial order.
IN ADDITION,WE HAVE OTHER PRODUCT,YOU CAN CHECK THIS AS FOLLOWING: