Foshan Weller Moisture Proof Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of color changing desiccant in China. If you're going to wholesale high quality color changing desiccant, welcome to get free sample and discount information from our factory. We also accept customized orders.

Parameter
Product Name | Color Changing Desiccant |
Material | silica gel beads |
50 Capacity | 500g or as you require |
Size &Packing Material | packed in composite paper or as you require |
Package | 10000pcs in a carton |
Function Time | last for 6-12months (depend on using environment). |
Storage | (placed in dry and normal condition. keep sealed ) 3 years or more |
Application | This is a powerful absorber that eliminates all odors,preserving the natural flavors of your food and keeping your refrigerator odor-free. It also can be reused after being recharged. |



Description
This is an orange color changing desiccant. It belongs to orange silica gel. The internal structure of silica gel consists of a large number of interconnected microporous networks. These micropores attract and hold water, alcohol, hydrocarbons and other chemicals through physical adsorption and capillary condensation phenomena. White silica gel desiccant can be considered as food grade products, except that the blue silica gel desiccant contains cobalt chloride. These desiccants are commonly used in various products, such as automobile/spare parts, electrical appliances, electronic products, food packaging, furniture, footwear, pharmaceuticals and health products, etc.
Features
This orange silica gel is developed based on the original blue silica gel indicator. We use a new type of non-toxic composite colorant. It fundamentally eliminates the pollution caused by colorants to the environment. It has become a new generation of environmentally friendly products with its original processing conditions and good adsorption performance.
Purpose
This color changing desiccant may widely apply in the aviation, the armed forces industry, the high-rise construction, the electric power industry, the goods moisture-proof, civil and various domains.
OEM and ODM Service
We can provide customers with customized color changing desiccant to meet the brand and functional requirements from different companies. Through OEM service, customers can put their own brand labels. Through ODM service, customers can get a one-stop solution from product design to production. This desiccant has a hygroscopic effect. At the same time, it can change color when it is saturated with moisture, which is convenient for indicating its hygroscopic state. Our customization process includes product research and development, packaging design, manufacturing and quality control. Therefore, we can ensure the provision of high-quality and high-performance products to meet the diverse needs from the market.
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About Us
Foshan Weller Moisture-Proof Technology Co., Ltd. was established in 2009. We are a professional manufacturer and supplier in China, with an factory of over 8,000 square meters.
Product Range | moisture-proof, mildew-proof, odor-proof and rust-proof products. |
Applications | designed for residential, commercial and industrial use. used for product packaging, transportation, and warehousing in different industries. |
Service | Accept wholesale, OEM, ODM orders; Provide custom solutions. |
Certifications | SGS, RoHS, REACH, FDA, DMF; SIMT,MIL-D-3464E, DIN55473, ISO9001, ISO14001, BSCI. |
Product Details and Summary
Product Type | silica gel desiccant (moisture absorbing material) |
Classification | 1. non-indicating silica gel 2. indicating silica gel (1) blue indicating silica gel (blue to pink; containing cobalt chloride) (2) orange indicating silica gel (orange to green; cobalt free and environmentally friendly) |
Indicator Function | You can choose silica gel with color indication function, to achieve a more convenient reminder function. |
Main Components | silicon dioxide (SiO₂); Content ≥ 98% |
Appearance | granular, spherical, powdered, beads crystals, sand, etc. |
Colors | transparent, translucent, white, blue, or orange |
Particle Size | 1-3mm, 2-4mm, 3-5mm; or custom sizes |
Bulk Density | approximately 700-800 kg/m³ |
Surface Area | 700-800 m²/g |
Pore Volume | 0.4-0.8 cm³/g |
Applicable Humidity Level | 20%-90% RH |
Operating Temperature Range | -40 ℃ to 200 ℃ (long-term stability) |
Maximum Moisture Absorption Rate | 30%-40% of its own weight |
Physical Properties | stable internal structure. no expansion or liquefaction. not easily crushed. dust-free. |
pH | 4-8 |
Chemical Properties | chemically inert; It will not chemically react with the inside products. |
Human-Friendly Feature | odorless and non-toxic. It meets food grade standards. |
Environmentally Friendly Feature | using packaging paper and materials that are biodegradable within two years. It can be discarded for use as fertilizer. |
Regeneration Temperature | 80℃-150 ℃ ( It can be reused after heating for 2-4 hours.) |
Packaging Material | breathable material with strong sealing properties. You can customize packaging materials according to your needs. |
Printing | You can custom printed text, pictures, logo for better brand images. |
Packaging Capacity | 1g, 2g, 5g, 10g, 50g, 100g, 500g, 1000g; or custom capacity |
Storage | It should be tightly sealed and stored in a cool, dry place; away from direct sunlight and chemical pollution. |
| Certifications | SGS, RoHS, REACH, FDA, DMF; SIMT,MIL-D-3464E, DIN55473, ISO9001, ISO14001, BSCI. |


