How should the cards be stored?

Keep in a cool, dry area away from sunlight, water, steam, and ammonia gases. Replace desiccant after opening the container three times.

What certifications does the product have?

The product has SGS, MSDS, REACH, RoHS, and DMF free approvals, including silica gel REACH registration.

6 Dots Humidity Indicator Card for Indicating Humidity with Free Cobalt

Name: 6 Dots Humidity Indicator Card for Indicating Humidity with Free Cobalt
Brand: Foshan Shunde Topcod Industry Co., Ltd.
SKU: 2041081815

Guangdong, ChinaFoshan Shunde Topcod Industry Co., Ltd.

US$0.08-0.10

5,200 Pieces

Sample price:US$0.00/bag.Request sample

Product profile

Customization

Available

Delivery Date

15-30days

Features

Convenient, Reversible, Customized

Inner Packing

Sealed Vacuum Bag+Tinplate Can

Outer Packing

Carton

Card Size

105X37mm

Carton Size

550X230X270mm

Color Change

Brown to Blue

Standard

Gjb2494-95, Mil-I-8835A, 2004/73/Ec

Transport Package

5200PCS/260bags/20cans/Carton

Specification

10%-60%

Trademark

Topcod/OEM

Origin

China, Foshan

HS Code

902580000

Production Capacity

1000000 Pieces/Day

Key features

High Accuracy Monitoring: Indicates relative humidity levels as low as 5% and as high as 95% with precise visual proof.

Reversible Color Change: Spots change from blue (dry) to pink (humid) and revert to blue when dried with desiccant.

Military & JEDEC Compliant: Meets Mil-I-8835, Mil-Std-2073-1D, J-STD-033A, and J-STD-033B standards.

Customizable Configurations: Available in 1 to 6 dots with customizable humidity levels for various applications.

Long Shelf Life: Valid for 2 years from manufacture date if the container remains sealed and undamaged.

Fast Response Time: Indicator spots change color within 8 hours of exposure to relative humidity changes.

Eco-Friendly Materials: Made with eco-friendly, water-proof, dust-proof, smooth, and lint-free blotting paper.

Comprehensive Certifications: Holds SGS, MSDS, REACH, RoHS, and DMF free approvals with silica gel REACH registration.

Company profile

Foshan Shunde Topcod Industry Co., Ltd.

Guangdong, China

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: ≤7.63h 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:How does the reversible humidity indicator card work?

The spots change from blue (dry) to pink (humid) as humidity rises. They revert to blue when placed in a sealed container with desiccant for 48 hours.

Q:What is the shelf life of the card?

The card has a shelf life of 2 years from the date of manufacture, provided the container is not opened or damaged.

Q:What standards does the product meet?

It meets military specifications (Mil-I-8835, Mil-Std-2073-1D) and JEDEC standards (J-STD-033A and J-STD-033B).

Q:Can the humidity levels be customized?

Yes, cards are available in 1 to 6 dots with customizable humidity levels to suit specific application needs.

Q:How long does it take for the card to respond to humidity changes?

Indicator spots will change within eight hours of being exposed to a change in relative humidity.