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

China Silica Gel Packets For Jewelry manufacturers and suppliers since 2009, with our own factory. Accept wholesale, OEM, ODM orders. Provide custom solutions.

silica gel packets for jewelry manufacturers

Specification	Details
Product	Silica Gel Packets for Jewelry
Material	silicon dioxide
Size Options	1g, 2g, 5g, 10g, 20g (custom sizes available)
Shape	Rectangular or square packets
Packaging Material	Tyvek paper, non-woven fabric, or cotton (dust-free, tear-resistant)
Adsorption Capacity	30-40% of its weight in moisture
Application	Protecting jewelry items from moisture, tarnish, and corrosion
Moisture Indicator	Optional (It can include orange-to-green or blue-to-pink indicator beads)
Operating Range	20-90% Relative Humidity (RH)
Temperature Tolerance	-40°C to 200°C
Compliance	RoHS, REACH, and FDA compliant (for safety and environmental standards)
Shelf Life	12-24 months (in sealed packaging, stored in a cool, dry place)
Customization	Custom print logo, size, and weight available according to user needs

These silica gel packets for jewelry are an highly effective and essential tool for protecting jewelry from tarnishing, oxidation, and moisture damage. Their exceptional absorption capability stems from a vast network of microscopic pores that actively adsorb and trap water vapor from the air, creating a stable, dry micro-environment for your valuables.

High Absorption Capacity

Under conditions of high relative humidity (RH 80%-90%), these silica gel packets for jewelry can adsorb moisture equivalent to approximately 35% -40% of its own weight.

A standard 10-gram packet can absorb up to 3.5 grams of water vapor. This is a significant amount of moisture for a small, sealed container like a jewelry box.

Superior Relative Humidity (RH) Control

The primary goal is not just to absorb water, but to maintain a specific, safe humidity level. For jewelry storage, the ideal RH is below 50% to effectively prevent tarnishing of silver and oxidation of other metals.

These silica gel packets for jewelry excel at this. Even when external humidity fluctuates, it can stabilize the internal environment of a sealed container to a low RH range of 20% - 40%, creating an optimal preservation climate.

Comparison with Other Desiccants

Desiccant Type	Average Absorption Capacity (% by weight)	Key Characteristics (for Jewelry)
Silica Gel	35%	Highly efficient, safe, non-toxic, and reusable. Physical adsorption. It will not leak.
Clay / Montmorillonite	15% - 20%	Lower capacity. Inexpensive but typically for single use.
Calcium Chloride	200%+	Extremely high capacity, but it works by chemical reaction. It can release heat and become a corrosive liquid, posing a risk to jewelry; not recommended.

Regeneration and Reusability

A major advantage is its reusability. When saturated, it can be regenerated by heating.

Regeneration Conditions: Heating at 100°C - 120°C (212°F - 250°F) in an oven for 1-2 hours will release the trapped moisture, and restore most of its original absorption capacity. These silica gel packets for jewelry can typically be regenerated dozens of times.

Core Principle

The required amount depends primarily on the volume of the airtight container and the ambient humidity level. The goal is to absorb the moisture trapped within the sealed space to create a stable, dry microenvironment for your jewelry.

Recommended Dosage

Usage Scenario	Container Type & Description	Recommended Amount
Small Containers	Small jewelry boxes, pouches, ziplock bags (Volume:0.5-2 Liters)	5-20 grams
Medium Containers	Medium-sized jewelry boxes, padded storage cases (Volume: 2-10 Liters)	20-50 grams
Large Containers	Large safes, wardrobe drawers, display cabinets (Volume: 10-50 Liters)	50-200 grams
Professional Storage	Museum-grade display cases, precision dry cabinets	Use Formula

Suitable Applications

Type of Jewelry	Recommended?
Silver Jewelry	Highly Recommended
Pearls	Highly Recommended
Other Organic Gems (e.g., Coral, Amber, Ivory, Shell)	Highly Recommended
Gold-Plated/Rhodium-Plated Jewelry	Highly Recommended
Iron-Based Jewelry	Highly Recommended
Alloy/Fashion Jewelry	Recommended
Diamonds	Beneficial
Hard Gemstones (e.g., Ruby, Sapphire, Emerald, Jadeite)	Beneficial
Solid Gold (Karat) / Platinum Jewelry	Beneficial

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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.