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Blue Silica Gel Beads desiccant 2-4mm 3-5mm

Product name:Silica gel

CAS :112926-00-8

Molecular formula:SiO2

Silica gel color:Blue

Silica gel particle size:2-4mm, 1-3mm, 3-5mm

Moisture value:<2 or <

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Description and purpose:

Blue silica gel desiccant is a desiccant with moisture absorption and anti-rust functions. Its appearance is blue or light blue glassy particles, which can be divided into two forms: spherical and block. Its characteristic is that the color changes from blue to pink after absorbing moisture, so it is also called an indicator desiccant.

This desiccant has a wide range of applications. First of all, when instruments and equipment are used in a sealed state, it can prevent moisture from corroding and damaging them. At the same time, the color change can directly indicate the ambient humidity, providing a real-time humidity monitoring function. Secondly, when used in conjunction with ordinary silica gel desiccant, the water content of the desiccant can be judged by the color change of the blue silica gel, and the relative environmental humidity can be inferred from this. In addition, blue silica gel desiccant is widely used in various packaging, such as precision instruments, leather products, shoe materials, clothing, food, pharmaceuticals and household appliances, to keep products dry during storage and transportation. , to prevent moisture from causing damage to the product.

ITEM Blue gel indicator Discoloring silica gel Blue silica gel Typical values
RH=20% 8.0min ---- ---- 8min
Adsorption RH=35% 13.0min ---- ---- 13min
capacity % RH=50% 20.0min 20.0min 18.0min 22min
RH=90% ---- ---- 28.0min 32min
Rattler loss% 10.0max 10.0max 10.0max 1max
Qualified size ratio % 96min 90min 90min 95min
Loss on heating % 5.0max 5.0max 5.0max 2max
color RH=20% Blue or light blue --- --- eligibility
RH=35% purple or purplish red --- --- eligibility
RH=90% light red Light red light purple or light red eligibility

Packing: Blue silica gel Packing 25KG per compound bag.

Note: Packing and size can be adjusted according to customer's different requirements.

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