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Humidity Indicator Cards with Color Change for Accurate Moisture Detection
US$0.03-0.05
4,000 Pieces
Sample price:US$0.01/bag.Request sample
Product profile
Customization
AvailableType
In-Mould LabelMaterial
PaperModel NO.
QY-HI3SPrinting Type
Offset PrintingFeature
Humidity IndicatorUsage
Packaging Film, Medicine, Sensitive ComponentsHumidity Range
10%-60%Applications
Sensitive Electonics ComponentsConfigurations
5%-95%, From 1 DOT to 6 DotsCobalt Dichloride
Not ContainedColor
Blue(Dry) Turns to Pink(Moist)Sample
AvailableTransport Package
CartonSpecification
25PCS/BAG, 8BAGS/CAN, 20CANS/CARTONOrigin
ChinaKey features
Reversible Color Change: Changes from blue to pink when humidity exceeds threshold and reverts to blue when dry.
Multiple Humidity Ranges: Available in 10%, 20%, 30%, 40%, 50%, and 60% relative humidity options.
Custom Dot Configurations: Configurable from 1 to 6 dots with humidity ranges from 5% to 95%.
Non-Toxic and Safe: Made of white blotting paper, non-toxic, harmless, and compliant with environmental regulations.
Long Shelf Life: 2 years shelf life from manufacture date if container remains unopened and undamaged.
Fast Response Time: Indicates humidity changes within 0.5 to 1 hour under standard test conditions.
Bulk Packaging: 260 pieces per tin can, sealed in bags for optimal protection and storage.
Company profile

CertifiedBusiness Type: Trading CompanyExport Year: 2017-04-06 CertifiedNearest Port: Xiamen PortAverage Response Time: ≤3.69h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW
AI-Powered supplier vetting
SummaryXiamen Qianyu Technology Co., Ltd. is a China-based limited trading company established in 2016, focused on cleanroom wipes, nonwoven and industrial wipes, swabs, ESD garments, sticky mats, finger cots, and related products. It reports five production lines, stated product output capacities, ISO 9001 certification at its factory, SGS testing for products, and customization supported by factory equipment and R&D teams. The supplier claims delivery within 15 working days in both peak and off-peak seasons and reports that 90% of sales are exports. However, the company has only four employees, fewer than five quality-control staff, one R&D engineer, and two years of staff experience reported. Evidence of customer activity is limited to one recorded trade transaction and one associated buyer; therefore, customer depth and broader financial credibility remain insufficiently established.
Supplier typeThe supplier is explicitly identified as a trading company and limited company registered in Xiamen, China. Its stated business covers the supply of cleanroom, industrial, ESD, and related products across multiple industries, indicating a product-sourcing and distribution role rather than a clearly established standalone manufacturer.
CertificationsThe supplier states that its factory has been certified to ISO 9001 and that all products are tested by SGS. These are explicit quality-system and product-testing claims, although the provided information does not include certificate numbers, validity dates, or issuing-scope details.
After-Sales capabilityThe company explicitly promises timely after-sales service and invites customers to contact it by phone or email for ordering and product questions. The slices do not provide service staffing, response-time records, warranty terms, or documented after-sales cases, so the operational depth of this capability cannot be verified.
Production capacityThe supplier reports five production lines, stated output for cleanroom wipes, ESD garments, sticky mats, finger cots, and SMT stencil wipes, and a 95.0 m² manufacturing-plant area. It also states delivery within 15 working days in both peak and off-peak seasons, providing explicit evidence of defined capacity and lead-time commitments, although the small facility and limited staffing may constrain scale.
Customization capabilityThe supplier explicitly identifies customization as a strength, attributing it to precise factory machining equipment and professional R&D teams. This directly supports the availability of customization services, though no examples of customized products, minimum requirements, or completed projects are supplied.
Product Q&A
Q:How does the humidity indicator card work?
A:
The card changes color from blue to pink when humidity exceeds the specific threshold and reverts to blue when the environment becomes dry.
Q:What humidity ranges are available?
A:
Standard ranges include 10%, 20%, 30%, 40%, 50%, and 60%. Custom configurations from 5% to 95% are also available.
Q:Is the product safe for sensitive electronics?
A:
Yes, the card is non-toxic, harmless, and compliant with international environmental regulations.
Q:How long is the shelf life?
A:
The shelf life is 2 years from the date of manufacture, provided the container is not opened or damaged.
Q:What is the response time for color change?
A:
The card typically responds within 0.5 to 1 hour depending on the humidity level and temperature conditions.
Send Inquiry
*To:
Xiamen Qianyu Technology Co., Ltd.
Xiamen Qianyu Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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