Hand Warmer

Your Leading Hand Warmer Supplier

 

 

Zaidtek was founded in Haicang, Xiamen in 2006, cover an area of 50,000㎡, with sufficient production and storage space. Focus on OEM and ODM computer accessories and peripherals production and manufacturing, like keyboards, mice, mouse pads, USB hubs, fans, laptop chargers, fast chargers, etc.

 

 
 
Why choose us
 

Sales market
Our Market 40% from North America, 35% from Europe, and 25% from other countries.

 

Quality control
Zaidtek has rich production experience, and thorough quality control system. It has its own professional test lab to make sure quality, and capability of saving cost.

 

Our certificate
We already passed audits and certificates for ISO9001/ ISO14001/ ISO13485/ ISO45001/ BSCI/ SCS/ FCCA/ FQA/ ROSH/ REACH/ CE/ FCC/ BIS, TELEC, etc.

 

Our service
Besides our existing molded products, Zaidtek also can produce computer accessories and peripherals products according to the drawings or samples from our customers. We control the product quality critically for every step during the manufacturing from custom computer accessories and peripherals. We offer technical support that is second to none.

 

 

Types of Hand Warmer

 

 

Air-activated hand warmers

 

Cute Rechargeable Hand Warmer

Air-activated hand warmers

Air-activated hand warmers are the most common type of hand warmers. They work by using a metal disk that, when exposed to air, starts a chemical reaction that creates heat. These hand warmers usually last for around six hours.

Rechargeable Usb Hand Warmer

Gel hand warmers

Gel hand warmers work in a similar way to air-activated hand warmers, but they use a gel-like substance as the heat source. This type of hand warmer is slower to heat up but can generate heat for up to 12 hours.

Portable Pocket Heater

Heat pack hand warmers

Heat pack hand warmers use a small metal disk to generate heat, which is then transferred to a pack made from cloth or fleece. This type of handwarmer is the slowest to heat up but can provide heat for up to 24 hours.

 

Use a supersaturated solution

A supersaturated solution occurs when there is more solute than can be dissolved in a solvent at a given temperature. In other words, it's a solution that has been forced to its maximum concentration.

One way to create a supersaturated solution is to heat the solvent until the maximum amount of solute can be dissolved. At this point, the solution will be supersaturated and any additional solute will form crystals. This is how most hand warmers work—by heating a water and ammonium nitrate mixture to create a supersaturated solution. When the hand warmer is activated, it warms the solution and the crystals dissolve, providing heat for your hands.

Battery-powered hand warmers

Battery-powered hand warmers are a convenient way to keep your hands warm on the go. These devices usually use AA or AAA batteries, and offer a range of features such as low, medium or high heat settings, and an automatic shut-off timer.

One of the benefits of battery-powered hand warmers is that they can be used almost anywhere. They're also a good choice for people who are allergic to disposable hand warmers or would rather not use them.

 

10 Uses For Hand Warmers

 
 

Keeping your hands warm
First things first, as you would expect from the name, hand warmers are great for keeping your hands warm. Keep then inside your pockets for when the weather is really cold.

 
 

Dry wet shoes
Often with cold weather comes wet weather and this leads inevitably to wet shoes. As we all know there's nothing worse than putting on damp shoes in the morning. To stop this put heat pads in your shoes at night to dry your shoes.

 
 

Dry wet socks
Similar to wet shoes, wet socks are also no fun at all. Put hand warmers inside them to help them dry.

 
 

Sleeping bag
It can be difficult to stay warm at night when you’re camping. Put some heat pads in a pair of socks and then put them in your sleeping bag before you go to sleep. When you eventually get in it will be nice and warm.

 
 

Heat drinks
You might have a vacuum flask to keep your drinks hot, but as soon as you pour it in to a cup the cold weather can start to cool it down. By holding a hand warmer to the underside of a mug you can keep your drink warmer for longer.

 
 

Medical
In extreme cold conditions, there can be the risk of hypothermia amongst your group. If anyone starts suffering from this hand warmers can help. Wrap a heat pad in a sock or glove and put this in the armpit of someone needing help.

 
 

Aching muscles
After a long day of tough hiking, your muscles can be feeling a bit sore. By holding a hand warmer to any affected areas the heat can help soothe the pain.

 
 

Water bottle
Cold weather is great for keeping water at a cool temperature. If it gets too cold though your water will just freeze. By holding a hand warmer or two to the outside of your bottle, you can make sure your water stays in liquid form so you can still drink it.

 
 

Batteries
Many travellers and outdoor explorers love to take video and photos of the great places they discover. Cold weather though is not great for battery life. By keeping all your batteries in a case and adding a hand warmer, you can make sure your batteries are at their optimum.

 
 

Headaches/migraines
We all feel ill once in a while and headaches and migraines can strike at the most inconvenient of times. Holding a heat pad to your forehead can help ease the pain and clear your head.

 

 

How do hand warmers work

 

Air-activated hand warmers usually contain cellulose, iron filings, activated carbon, vermiculite, and salt. When exposed to the air, heat is generated due to the oxidation of the iron filings.

 

The supersaturated solution style works differently. It’s made by adding sodium acetate to cold water beyond the level which can not be dissolved. When the hand warmer is heated, it allows the extra sodium acetate to dissolve into the water and crystallize. Then when the metal disc is bent, tiny particles of metal are released, which creates a chemical reaction that releases the stored heat energy from the solution.

 

The battery-powered hand warmers' principle is pretty easy to understand. Heat is created by an onboard electrically resistive heating device that is powered by a rechargeable battery. Some complex versions of these hand warmers possess different levels of heat. And in general, battery-powered hand warmers last for several hours per charge.

 

Export Packaging

 

 

FOB port:

Xiamen

Packaging details:

Blister packing/Gift box+ Master carton

Single pack size:

11.3*6.0*3.8.cm

Single gross weight:

0.67KG

 

Payment and Delivery

 

 

Payment method:

Advance T/T, 30% deposit+70% before delivery. L/C, Western Union, Paypal are optional.

Delivery time:

About 15-35days base on different quantity and requirement.

 

Packing & Shipping

 

productcate-554-227

 

FAQ

 

Q: How does a chemical hand warmer work?

A: Chemical hand warmers work through an exothermic reaction. Usually, they contain substances like iron powder, water, salt, and activated carbon. When exposed to air, the iron oxidizes slowly, releasing heat in the process.

Q: How long do disposable chemical hand warmers last?

A: Disposable chemical hand warmers typically last between 4 - 18 hours, depending on factors such as the brand, the ambient temperature, and how well they are activated.

Q: Can hand warmers cause burns?

A: Yes, if used improperly. If a hand warmer is placed directly against bare skin for a long time, especially at high heat settings (for electric ones) or when a chemical hand warmer is very hot, it can cause burns.

Q: How do I store an electric hand warmer?

A: Store an electric hand warmer in a cool, dry place. Avoid storing it when it is fully discharged or over - charged. It's best to keep it with a partial charge if not in use for a long time.

Q: Are there hand warmers that can double as power banks?

A: Yes, some modern electric hand warmers are designed with a built - in battery that can be used to charge other devices like smartphones, making them a useful dual - function product.

As one of the leading hand warmer manufacturers and suppliers in China, we warmly welcome you to wholesale cheap hand warmer from our factory. All our products are with high quality and competitive price.

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