cobalt free humidity indicator card

cobalt free humidity indicator card

USD $0.001 - $0.08 /Bag

Min.Order:10000 Bags

Supply Ability:
30000 Ton / Tons per Month
Port:
qingdao
Payment Terms:
T/T Credit Card PayPal

Quick Details View All >

CAS No.:
112926-00-8
Other Names:
silicon dioxide
MF:
mSiO2.nH2O
EINECS No.:
231-545-4
Purity:
99.6%
Place of Origin:
Shandong, China

Rushan Wufeng Silica Gel Co., Ltd.

Business Type: Manufacturer,Trading Company
Shandong China
Main Products: Silica gel ,desiccant ,plastic bottle ,packing material ,fishing rod

Product Details

  cobalt free humidity indicator card 

 

 

Specifications

humidity indicator card 
1.Lead-free RoHS compliant 
2.OEM allowed 
3.High quality 
lor change

 

 Introductions

 Humidity indicator card (also know as HIC, humidity 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. They are available in many configurations and used in many applications, such as PCB, IC, LED, especially military and semiconductor 

 

 

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. 

 cobalt free humidity indicator card

Physical Character:

 

ST.

Item

Index

1

Abrasion Rate

≤4

2

Bulk Density

≥750g/l

3

Specufic Reaistance

≥3000

4

PH Value

5.6-8

5

Color

transparebcy Crystal

6

Hydroscopicity

RH=20% ≥10%

RH=40% ≥20%

RH=80% ≥34%

7

Environment Conservation

Pb≤2ppm

Cd≤2ppm

Hg≤2ppm

CrVi≤2ppm

PBBs≤2ppm

PBDEs≤2ppm

(ppm=mg/k)

 

 cobalt free humidity indicator cardcobalt free humidity indicator card

 

Application:

1.Electronics

2.nstruments

3.semiconductors

4.some other products.

  

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

 

Note: The moisture content, packing and size can be adjusted according to customers different requirements.

Contact Supplier

Mr. Jack Kung general manager Chat Now
Telephone
86-631-6268088,13754639277
Mobile
13754639277
Fax
86-631-6321255
Address
NO 48-11 ZHENGTONG ROAD RUSHANKOU RUSHAN SHANDONG CHINA Shandong

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