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Reversible Humidity Sensitive Indicator Paper Blue to Pink Color Changing
US$0.04-0.06
5,200 Pieces
Sample price:US$0.00/bag.Request sample
Product profile
Customization
AvailableShape
Card/SheetDrying Method
IndicatorKind
Humidity Indicator CardSorbent
Blotting PaperDesiccant
Hic CardDelivery Date
15-30daysFeatures
Adjustable, ReversibleInner Packing
Sealed Vacuum Bag+Tinplate CanOuter Packing
CartonCard Size
105X37mmCarton Size
550X230X270mmColor Change
Blue to PinkStandard
Gjb2494-95, Mil-I-8835A, 2004/73/EcTransport Package
5200PCS/260pouch/20can/1cartonSpecification
10%-60%Trademark
Topcod/OEMOrigin
ChinaHS Code
902580000Production Capacity
1000000 Pieces/DayKey features
High Accuracy Monitoring: Indicates relative humidity levels as low as 5% and as high as 95% with precision.
Reversible Color Change: Changes color from blue to pink to indicate current humidity levels dynamically.
Long Shelf Life: Valid for 2 years from the date of manufacture if the container remains unopened.
Wide Application Range: Suitable for semiconductors, electronics, military, automotive, and museum preservation.
Multiple Dot Configurations: Available in 1 to 6 dot options with various card sizes to suit different needs.
Strict Quality Standards: Complies with Gjb2494-95, Mil-I-8835A, 2004/73/Ec, and JEDEC J-STD-033 standards.
Secure Packaging: Sealed in vacuum bags and tinplate cans to ensure moisture protection during storage.
Customization Available: ODM and OEM services are available for tailored product solutions.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-08-16 CertifiedNearest Port: Shenzhen Port, Guangzhou Port, Shunde PortAverage Response Time: ≤8.09h CertifiedTerms of Payment: LC, T/T, PayPal, etc.
AI-Powered supplier vetting
SummaryFoshan Shunde Topcod Industry Co., Ltd. is identified as a Chinese manufacturer of desiccants, humidity indicator cards, aluminum foil bags, and related packaging materials. The supplier reports an ISO9001:2015 certificate, more than 10 production lines, 101 employees, a 11,000 m² manufacturing plant, and stated annual capacities of 9,000 tons of desiccant and 3,000 tons of aluminum foil bags. Its descriptions also reference professional technical staff, testing equipment, and compliance with several product standards. Export activity is documented, with 41%–50% of sales from exports and exporting beginning in 2016. Evidence supports production scale, certification, and international customer experience, but is insufficient to confirm financial strength, customized-production capability, or the scope and reliability of after-sales services.
Supplier typeThe supplier is explicitly classified as a manufacturer in China, while another record describes the company nature as a trading company. Its stated products and manufacturing plant support manufacturing activity, but the conflicting classification means the business profile is not completely consistent.
CertificationsThe supplier explicitly reports an ISO9001:2015 certificate. It also states that its products meet or passed MIL-D-346E, DIN55473, SGS, and RoHS-related requirements, although the slices do not provide independent verification or certificate details for each claim.
R&D capabilityThe supplier claims advanced production lines, specialized machinery for humidity indicator cards and moisture-proof bags, a professional technical team, four R&D engineers, and ongoing product and quality development. These details provide positive evidence of technical and development capability, although no specific proprietary innovations or R&D achievements are documented.
Production capacityProduction capability is supported by 101 employees, an 11,000 m² manufacturing plant, more than 10 production lines, and stated capacities of 9,000 tons of desiccant and 3,000 tons of aluminum foil bags annually. The supplier also reports mechanized production lines and testing equipment, indicating substantial manufacturing infrastructure.
Client casesThe supplier states that Honda, Panasonic, Sony, and other well-known companies cooperate with it, and that its products are sold worldwide with good feedback. These are supplier-reported customer references; the slices do not include order details, verification, or named case studies.
Product Q&A
Q:What is the shelf life of the card?
A:
The shelf life is 2 years from the date of manufacture, provided the container is not opened or damaged.
Q:What humidity range does it cover?
A:
It can indicate relative humidities as low as 5 percent and as high as 95 percent.
Q:What are the color change indicators?
A:
The card changes color from blue to pink to visually indicate the current humidity level.
Q:What are the standard sizes available?
A:
Standard sizes include 45x55mm, 50x75mm, 55x90mm, and 105x37mm with 1 to 6 dot options.
Q:What industries use these cards?
A:
They are used in semiconductors, electronics, military, automotive, optical instruments, and museums.
Send Inquiry
*To:
Foshan Shunde Topcod Industry Co., Ltd.
Foshan Shunde Topcod Industry Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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