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MG Chemicals - 403A-285G 403A 134A Super Cold Spray, 285g (10 oz) Aerosol Can

4.3 4.3 out of 5 stars 3,371 ratings

1
Brand MG Chemicals
Style simple
Color Colorless
Item Weight 0.1 Kilograms
Alarm Audible
Upper Temperature Rating 50 Degrees Celsius
Manufacturer MG Chemicals
UPC 779008403280

About this item

  • Non-flammable Safe for use on energized circuits. Packaging may Vary
  • Chills down up to -50 °C (-60 °F)
  • Non-conductive
  • Zero residue VOC exempt
  • Suitable for Use in Food Facilities as a Non-Food Chemical—Canadian and NFS recognition letters available on request
See more product details
Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.

Product Description

The 403A Super ColdTM 134 is a pure, non-flammable Cold Spray that is used primarily for diagnosing thermally intermittent problems with electronic devices The cold spray contains pure 1 1 1 2-tetrafluoroethane (HFC 134a) It is also useful for protecting heat sensitive components during soldering quickly cooling solder joints and it can also be used to quickly remove gum and other adhesives from a variety of surfaces Also used in other applications where spot freezing is required Application Instructions For best results follow the procedure below 1) Firmly hold the head of the trigger nozzle 2) On top of nozzle pull the security tab to snap it off 3) If needed insert extension tube 4) Pull the trigger in short bursts 5) For delicate and precise applications spray liquid onto a Cotton Swab (811-100) and dab

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MG Chemicals - 403A-285G 403A 134A Super Cold Spray, 285g (10 oz) Aerosol Can


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From the manufacturer

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Customer reviews

4.3 out of 5 stars
3,371 global ratings

Customers say

Customers like the quality and wart removal of the product. They say it works well and is effective in eliminating skin tags. However, some customers have reported that the product can easily burn their skin and cause bodily harm. They also have issues with the spray mechanism. Customers also disagree on temperature, and value.

AI-generated from the text of customer reviews

155 customers mention "Quality"117 positive38 negative

Customers like the quality of the gas smoke fire alarm. They say it works better than anything they have found, produces amazing results, and is a great circuit board troubleshooting aid. Some mention that the q-tip method works best. Overall, most are satisfied with the product's quality and performance.

"...After researching I found this spray. Stuff works phenomenally. I couldn’t find a bic pen so I modified a pen to work...." Read more

"...I bought this and decided to give it a go myself, this stuff worked fantastic and I made sure to get all of it and so far fantastic results..." Read more

"...I was also able to use this on skin tags. The qtip method worked best." Read more

"...Duct tape did nothing for me. Herbs did nothing. Burning it off didn't work. I did not want to have it cut out of me...." Read more

54 customers mention "Wart removal"46 positive8 negative

Customers like the wart removal of the product. They say it works well to remove warts, skin tags, and age spots. Some mention that it works for dermatology purposes.

"...it is great for killing ants and wasps. its not flammable. i must have killed over 50 wasps that was nesting in my kitchen exhaust." Read more

"...I noticed it would stop the swelling and shrink the wart. With the first few, they would blister and scab up...." Read more

"...That being said, it does work for me for dermatology purposes when used with common sense...." Read more

"...It did however, work well to remove my very stubborn plantar warts after exhausting many other options...." Read more

94 customers mention "Temperature"48 positive46 negative

Customers are mixed about the temperature of the product. Some mention it works great, gets "burning" cold, and is a great super cold spray. Others say that it blows cold mist straight up and that it takes tons of sessions of freezing a wart or skin tag to actually work.

"...Anyway yeah it had to go, his freezing worked great except he missed a thin edge of it and a few months later it was coming back...." Read more

"this thing doesn't get cold enough for cryo wart removal. it is great for killing ants and wasps. its not flammable...." Read more

"...This stuff has such a low boiling point that it will boil away (this doesn't mean it gets hot) after a while at room temperature...." Read more

"...Once off gassing stops, the straw is frozen to the skin, so use your fingers to warm it up, and it will fall away...." Read more

41 customers mention "Value"26 positive15 negative

Customers are mixed about the value of the gas smoke fire alarm. Some mention it's excellent value for the money, better value than wart remover in pharmacy, and cheap. Others say it'd be a waste of money, expensive, and short of usable spray time.

"...I'm so thrilled that this works. Talk about a money saver...." Read more

"...Cost too much for the shortness of the usable spray time. I would not buy again." Read more

"...Would recommend to anyone suffering those warts for a cheap and relatively pain free removal." Read more

"...of my heel for almost 4 months this was an amazing result, and inexpensive! 5 stars!..." Read more

29 customers mention "Spray mechanism"3 positive26 negative

Customers are dissatisfied with the spray mechanism of the gas smoke fire alarm. They mention that it doesn't work well, sprays all over, and leaks. The trigger doesn't worked well, and the spray is not easy to control. Some say that the canister is defective and the product works but leaves them with a big frostbite.

"...use this product without its straw as without the straw, the spray is way too wide to be useful for wart eradication." Read more

"...The spray is very wide, so spraying directly is out of the question...." Read more

"...The spray bounced off the Q-Tip onto my fingers. It wasn’t as bad as before, but it was still awkward...." Read more

"...The spray field is wide so you need to be careful when you spray." Read more

21 customers mention "Flammability"3 positive18 negative

Customers are not happy with the flammability of the product. They say it can easily burn you and cause bodily harm. They also say it burns off some skin tags and can cause serious skin damage very quickly. Customers also mention that the product is extremely cold and starts to sting a bit.

"...It will sting for a long time afterwards. Some of my warts were small, so I only had to work a small area...." Read more

"...The skin sizzles and turns white, then fades to normal. I repeat...." Read more

"...Be careful not to overspray or let any liquid leak out, it will burn normal skin. Mine took 2 treatments, about 4 days apart...." Read more

"...TO THE SKIN, This product is extremely cold and will cause serious skin damage very quickly, like one second quick...." Read more

Works better then any spray for warts and tags.
5 out of 5 stars
Works better then any spray for warts and tags.
Back when I was young I figured out to use bubble gum freeze spray and cheap clear bic pen. It worked but took a few times to kill warts. My kid had a wart on his knee so I tried Zep freeze spray first and it did a terrible job. After researching I found this spray. Stuff works phenomenally. I couldn’t find a bic pen so I modified a pen to work. You hold it tight to the area you want to freeze. The small hole on the side is key. It allows when you spray to release pressure. It will form a small all amount of liquid that bubbles in the end of the tube on the skin. It only takes a small amount so be careful. Short little bursts. One application and his wart was frozen solid. I’ll update if we have any issues.
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Top reviews from the United States

Reviewed in the United States on July 6, 2016
Number of Items: 1Verified Purchase
I have had my warts treated 5 times. The one on my left hand is on the knuckle. It started as 1 wart. Then I had it treated. (Salicylic acid treatment and liquid nitrogen/cryogenic treatment). It came back as a huge cluster of warts that covered the bottom half of my knuckle. The other is on my right had on my middle finger. So when I rested my head on my clasped hands, my right hand gave my left knuckle the wart virus. My right hand has had cryogenic treatment 3 times. Every time it comes back. I was unwilling to pay the medical bill of $189 again. (This is after insurance).

I started researching different treatments. Duct tape did nothing for me. Herbs did nothing. Burning it off didn't work. I did not want to have it cut out of me. So I researched the cryogenic treatment since it's had some success in the past. I researched the medical version of the liquid nitrogen spray guns. Those were $500-700. I tried to get a used one but auction websites rarely get them. So I started looking for liquid nitrogen. Not the easiest thing to get your hands on. Then I came across this. I read all the comments and other website forums. I followed the instructions and sprayed it on a Q-tip first and then pressed it into my wart. I held it for 10-12 seconds to reach at least 90 seconds of freeze time. When the Dr's did it, they only froze it for 60 seconds.

It stings and the larger the area you have to freeze, the more it stings. It will sting for a long time afterwards. Some of my warts were small, so I only had to work a small area. Three area's were larger, about the diameter of a #2 pencil eraser. So I worked to accurately freeze them. It took me only 3 times to really get the hang of it.

I am on my second freeze session. The first one was 2 months ago and it killed all the warts I correctly froze. Instead of a massive cluster of 17 warts on my knuckle, I'm down to 6. I'm anticipating 1 more freeze session. But I'm waiting 2 months between each time for adequate freezing.

In my experience thus far, freeze the warts had given the best results.
586 people found this helpful
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Reviewed in the United States on September 24, 2023
Number of Items: 1Verified Purchase
Back when I was young I figured out to use bubble gum freeze spray and cheap clear bic pen. It worked but took a few times to kill warts. My kid had a wart on his knee so I tried Zep freeze spray first and it did a terrible job. After researching I found this spray. Stuff works phenomenally. I couldn’t find a bic pen so I modified a pen to work. You hold it tight to the area you want to freeze. The small hole on the side is key. It allows when you spray to release pressure. It will form a small all amount of liquid that bubbles in the end of the tube on the skin. It only takes a small amount so be careful. Short little bursts. One application and his wart was frozen solid. I’ll update if we have any issues.
Customer image
Ari
5.0 out of 5 stars Works better then any spray for warts and tags.
Reviewed in the United States on September 24, 2023
Back when I was young I figured out to use bubble gum freeze spray and cheap clear bic pen. It worked but took a few times to kill warts. My kid had a wart on his knee so I tried Zep freeze spray first and it did a terrible job. After researching I found this spray. Stuff works phenomenally. I couldn’t find a bic pen so I modified a pen to work. You hold it tight to the area you want to freeze. The small hole on the side is key. It allows when you spray to release pressure. It will form a small all amount of liquid that bubbles in the end of the tube on the skin. It only takes a small amount so be careful. Short little bursts. One application and his wart was frozen solid. I’ll update if we have any issues.
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Customer image
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9 people found this helpful
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Reviewed in the United States on June 26, 2023
Number of Items: 1Verified Purchase
I'm using this to remove skin tags. I got some otoscope speculums (black plastic cone they use to see in your ear) from the nurses office and that works okay sometimes (on one in my inner thigh/groin area it worked very well). The others I use a small cap (off of a hair spray bottle, about 1 to 1.5 across with slight rounded bottom) and put a Q-Tip in it and spray it. I get decent saturation and "sizzle", then touch to the skin tag and it also sizzles a bit. I try to do for 30 seconds, but if the Q-Tip cools off to fast I repeat it. On a couple that were the right size, I put the speculum cone over the skin tag so it was in the small side sticking up and pushed the speculum in to seal, then sprayed, let it sizzle and targeted a 30 second exposure, took a few 10 second tries). It looks like I got stung by wasps according to my wife. It leaves purple marks where treated but mine are in my armpits, only doing one pit at a time. For bigger one (groin and one big one in arm pit) I followed up with the kit on Amazon that has the tiny rubber bands with the skinny cone and paddle used for skin tags (ANY "patches" or natural elixirs don't work at all). I would have been completely miserable if I went off and tried treating ALL of my skin tags at once. You damage, then have to heal, so doing it in stages is best in my opinion. I went to the dermatologist and it was expensive, he was very rude, and he pretty much did the same thing as I'm doing with this. I do have some medical training and experience, but I think some common sense goes a long way here. DO NOT simply put the straw on the nozzle and spray at your skin!!! You will regret being this sloppy and will be in pain. No, I didn't have to do that to know the outcome. I have common sense. Don't go crazy, be smart. Use focused treatment, and error on the side of caution. It works! Happy hunting!
9 people found this helpful
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Reviewed in the United States on November 7, 2017
Number of Items: 1Verified Purchase
Stuff works. I got rid of two stubborn warts that I'd had for years. Using the attached straw, I sprayed product in a plastic cup. Careful! This stuff can be extremely dangerous! Do not let kids play with it and spray away from your body/face.
Quickly, I soaked up the liquid with a Q-Tip and applied to the wart for about 30 seconds. I did that three times in a row (total 90 seconds). The wart will look white then turn pink. I repeated the process every other day two more times (total of 3 sessions). For the larger wart on my knee, a filed off the top layer of the wart so that it was a bit raw before beginning. After treatment, a blister formed on my knuckle wart. A week later the blister healed and there was healthy skin underneath. My knee's wart turned black (I'm Caucasian). After a week, I peeled off the black skin and there was healthy skin underneath. I'm so thrilled that this works. Talk about a money saver. The first time you try this, I recommend having a partner help you, as you'll probably be a little nervous. My husband sprayed the spray and swabbed the Qtip, then handed it to me so I could apply it to my own wart. This worked well. BTW, this treatment is not pain free. It does sting both during treatment and for a few hours after. I suggest doing it right before bed, so you can fall asleep afterward. But it's not that bad. I'm by no means tough, and I can handle it.
10 people found this helpful
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Top reviews from other countries

Amazon Customer
5.0 out of 5 stars Good Quality
Reviewed in India on May 1, 2022
Number of Items: 1Verified Purchase
Working well
Canadian Jane
5.0 out of 5 stars Works effectively for warts, skin tags, moles and more
Reviewed in Canada on December 6, 2020
Number of Items: 1Verified Purchase
UPDATE AT THE END...

I purchased this product for my brother. He has a stubborn wart and my dermatologist was using this on stubborn dry skin spots I had. Unconventional, but if they are using it so can we.
I covered his finger with a bandaid, and made a hole over the area to expose the wart only- and gave a few shots with this can. Though it has an added nozzle for precision spraying, it splattered and it sprays wide. So I could not risk giving him frost bite and sprayed quick sprays about 3x not continuous as others mentioned 15-20 seconds. This felt too long and risky. He had pain just after a few quick sprays and it turned white.
UPDATE- A week after, dead skin is starting to peel after which is good.
I will give him a few more shots with this spray this evening and I think the one year saga with his wart will finally end. My brother would have gone on with this for years if I did not intervene.
It was expensive for how much was needed, however, if you buy over the counter kits from Dr Scholls or any other, they cost more and do not work.
A trip to a dermatologist office is $120ish now, so $35 is reasonable for a DIY.
I recommend putting a glove on like a latex or surgical glove, cutting area out, then putting duct tape with hole over wart before spraying. The bandaid allowed more chemical to seep through which is dangerous. Use duct tape as it will seal around your skin. Make sure your skin is cleaned with alcohol so no oils prevent duct tape from sticking.
Protect everything around you and skin eyes especially.
Its dangerous and not intended for this purpose, but during a pandemic, anything minor we should be treating at home. We are not helpless. You can do this!

UPDATE: after one use only and some time my brother is healed. All he did was use a fine sandpaper to exfoliate his forefinger as needed, until it became smooth and he has no scarring or signs it was ever there. This stuff works.
56 people found this helpful
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KIM
5.0 out of 5 stars Just what I needed
Reviewed in Canada on February 10, 2020
Number of Items: 1Verified Purchase
I liked the fact that it worked well without holding it upside down, like butane, etc and it has a nice trigger system to use as I had to design my own and to control how much came out, with this one, using very light pressure on the trigger, however, even at a very low trigger force, it can spit liquid, no doubt because I had cut my straw in 1/2 for better up-close work & control. To help keep it off your healthy skin around it, I found holding something with a small hole that fits as close as possible around the target area helped lots but only in short fast bursts as the liquid can still come up and over the edge running down healthy skin. It only turns it red, the target area you keep shooting small bursts at with a second or 2 break if it turns white as is frozen and can't freeze anymore until it warms up and keep hitting it with small blasts to keep it frozen for up to 1/2 to 1 minute. It will take time as my entire area that got liquid on is still red but you can tell after 5 days or so the target area is being affected. It will in time start to die to dry out, turn dark and may fall off in pieces as that is how it worked when I used Butane, pretty much as cold, never thought it worked until I saw it turn dark a week later and it came off in pieces (3) and now totally gone with no scare. It appears this will do the same but better with much easier control. I even cut my straw in 1/2 for closer work and control leaving me an extra if I were to lose it. Love using this. Remember the liquid as if holding upward at an angle it can drip onto your fingers or hand.
16 people found this helpful
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Marion Moore
3.0 out of 5 stars fresh poo freeze fail for big dog
Reviewed in Canada on October 28, 2021
Number of Items: 1Verified Purchase
Bought to instantly freeze fresh dog poo on walks for easy pickup. It did take away the smell but for large deposits of watery makeup the pressure sometimes scattered poo. It may still work for small dog. So fun to try and seemed quality product.
3 people found this helpful
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Heather
5.0 out of 5 stars Powerful stuff
Reviewed in Canada on July 26, 2022
Number of Items: 1Verified Purchase
When using to treat warts, really works, but be careful. It feels like nothing much Is happening until your skin thaws out and it could be burnt. If you have stubborn warts, I strongly recommend treating often and in stages instead of going full force all at once. Spraying in a small bowl and using a Q-tip is the gentle way, spraying directly on the skin is more intense.

Obviously seeing a doctor is ideal, but this is a good second best imo. Just don’t go crazy with it or it’ll hurt later!
4 people found this helpful
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