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by Cyalume

Cyalume ChemLight Military Grade Chemical Light Sticks, Green, 6" Long, 12 Hour Duration (Pack of 10)

4.6 out of 5 stars 100 customer reviews
| 6 answered questions

List Price: $21.50
With Deal: $17.21 ($1.72 / Lightstick) & FREE Shipping on orders over $35. Details
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In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
4 new from $13.95 2 used from $14.28

Specifications for this item
Brand Name Cyalume
Part Number 9-42290
Material Type phthalate
Number of Items 10
Color Green
National Stock Number 6260-01-074-4229
Overall Length 6  inches
Shape Duration: 12 Hour
Size 10
UNSPSC Code 39111705

The Cyalume ChemLight is a green military grade chemical light stick measuring 6" long, for pr... See more product details



Product Features

  • ChemLight military grade green light stick for providing illumination for up to 12 hours
  • Measures 6" long and provides 360 degrees of illumination
  • Meets military specifications
  • Chemiluminescent substance is non-toxic and plastic body is phthalate free for safety
  • Four-year shelf life from date of manufacture for a maintenance-free alternative to other lighting

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Product Details

Material Safety Data Sheet [43kb PDF]
  • Shipping Weight: 9.6 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0052ZAP6M
  • Item model number: 9-42290
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (100 customer reviews)
  • Amazon Best Sellers Rank: #1,714 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Frequently Bought Together

  • Cyalume ChemLight Military Grade Chemical Light Sticks, Green, 6" Long, 12 Hour Duration (Pack of 10)
  • +
  • Cyalume ChemLight Military Grade Chemical Light Sticks, Red, 6" Long, 12 Hour Duration (Pack of 10)
  • +
  • Cyalume ChemLight Military Grade Chemical Light Sticks, Blue, 6" Long, 8 Hour Duration (Pack of 10)
Total price: $58.01
Buy the selected items together

Product Description

The Cyalume ChemLight is a green military grade chemical light stick measuring 6" long, for providing instant 360 degree illumination, that can be seen up to a mile away for up to 12 hours in optimal conditions. The ChemLight is waterproof, non-toxic, and non-flammable. To activate the light stick, bend, snap and shake the tube. The light stick has a hook and gate top, for hanging or attaching the light. The ChemLight meets Defense Logistics Agency (DLA) and NATO Maintenance and Supply Agency (NAMSA) specifications, and National/NATO Stock Numbers (NSN) are printed on each product. Each light stick is individually foil-wrapped for protection from light and moisture, and has up to a four-year shelf life from date of manufacture.

The durable, waterproof, external body of the light stick is made from low density polyethylene (LDPE), and is phthalate free for safety. The internal illuminating chemical substance is non-toxic and non-flammable, and the components of the light stick are recyclable. The light stick floats in water and works best between 40 to 80 degrees F (4 to 27 degrees C), and although the light stick works at higher or lower temperatures, it is less effective in colder temperatures.

All sticks are tested at a temperature of 72 degrees F (22 degrees C) to determine the illumination duration. Each 10-degree C (50-degree F) increase or decrease in temperature doubles or halves the reaction rate, and therefore the brightness and duration. For example, the same light stick that emits approximately 30 lux (a unit that describes how much light is visible over a square meter) at 15 minutes after activation at 24 degrees C (75 degrees F) will be half as bright but glow twice as long at 14 degrees C (57 degrees F). At 34 degrees C (93 degrees F), the same light stick would be twice as bright, but glow half as long. Storage at elevated temperatures (above 120 degrees F or 49 degrees C) will decrease shelf life and start to soften the plastic tube, and increase the risk of a leak. Exposure to cold temperatures will not affect the light sticks if they are warmed above 40 degrees F (4.5 degrees C) before activation, unless they are frozen (which occurs at -15 to -20 degrees F, or -26 to -29 degrees C). Once light sticks have been frozen, they will still produce some light, but performance will not be as reliable. Humidity and atmospheric conditions do not affect the light sticks.

Light sticks are chemiluminescent substances in plastic tubes that provide hours of illumination in a number of safety, industrial, and military applications. Light sticks are waterproof, non-flammable, and non-sparking, which makes them useful in hazardous situations where sparks or flame could cause an explosion. Duration is determined by the chemistry of the formulation. Brightness is affected by temperature: the warmer the temperature, the brighter the light will appear. All sticks are tested at a temperature of 72 degrees F to determine the illumination duration. Viewing distance can be affected by temperature, moisture, and other elements. Exposure to direct sunlight can reduce shelf life and effectiveness.

Cyalume Technologies manufactures chemiluminescent products used for safety, industrial, and military applications. The company, founded in 1970 and headquartered in West Springfield, MA, makes products under ChemLight and SnapLight brands. ChemLight products meet military specifications, and the company meets ISO 9001 standards.

What’s in the Box?

  • 10 individually foil-wrapped light sticks

Customer Reviews

Top Customer Reviews

Verified Purchase
I purchased a number of different glow sticks at various price points, and these are by far the best and brightest. Twice as bright as the cheaper ones, and longer lasting.

Also much more expensive, but for an emergency kit, worth the premium. I did a side-by-side test, this brand and 2 cheaper ones. At activation this one was clearly MUCH brighter than the other two. Twice as bright would not be a big stretch. An hour after activation, this one was just as bright, the cheapies had dimmed considerably. Not even a close race.

My ONLY complaint (besides the price) is that they are individually wrapped - which by itself isn't a bad thing, but the wrapper is awfully tough to open in full daylight. I can only imagine what it would be like in patch darkness. Something to think about if you're putting them somewhere you can easily reach them in the dark.
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Verified Purchase
I've thrown a few of these into every emergency bag, kit, box and drawer that I have. After testing this Cyalume item against others listed on Amazon, I can report that these are brighter and last longer. Buy green for better ambient lighting. Buy yellow for better visibility from long-distances.
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No, literally cool. A chemical compound that is luminescent without heat. Imagine the applications of such a tool. Under water, in an explosive atmospheric environment, etc.

Of course I just had to pop one the day I got them after it got dark. These aren't your light sticks from your childhood. Those things would last a couple of hours at best before fading into nothingness. These, on the other hand, are quite bright. I could read my Kindle with it, although I wouldn't really recommend it, but what was (again) cool was the fact that twelve hours later, just like advertised, I could still read in otherwise total darkness. Sure, it had dimmed but they live up their advertisement and my expectations.

The box I ordered earlier this month was manufactured in Aug 2011 and have a four year shelf life. This is something you want to keep in mind if you're building your bugout bag or emergency kit. Off on a tangent, if that's what you're doing, then make sure to make a list of what's in your kit and list the expiration dates of everything in it and keep things rotated.

Anyway, store them out of sunlight and away from excessive heat (their words) and you'll be pleasantly surprised when you need emergency light and discover that the batteries in your flashlight died six weeks ago.
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In my decade and a half in the military I have probably gone through thousands of Cyalume ChemLight just myself. They have a million uses, both fun and functional. But most important the Cyalume models have proven to be utterly reliable and bright. When a chemstick might be your only chance of rescue, identification, light or escape, having one that is bright, works and lasts is very important. You can use chemsticks in areas where it is not safe to use other sources of light, like flashlights. So following a car accident for example, where fuel may be all over, it is better to have a stick to break and be able to see than using a flashlight. For this reason I keep several in all of my vehicles and change them out regularly. They can also be used as flares to mark an area without worrying about fire or flame. The uses for them are only limited by imagination, from Christmas lights to Fourth of July 'rockets' there is a lot of fun and use to be had.
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Verified Purchase
The chemlight sticks are military grade and are exactly what I needed. The expiration date on the sticks are nearly 4 years away! I have not found that length of time on any sticks in nearby stores that carried subpar chemlights!
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Verified Purchase
I guess it's military grade for a reason. Well worth the price. Bought these for a camping trip. Compared against other folks' light sticks at camp, these were brighter (way brighter) and larger. Used them starting around 9pm and they were still bright the next morning at 9 so they definitely lasted more than 12 hours.
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When I saw that you could buy these on Amazon I had to purchase a few of my own. I used these back in 2005 when I served in the military on field training missions and these chem lights worked well during the night. There are however more practical applications for these chem lights for everyday use. They work well when you get a flat tire on the highway at night and don't want to have your blinker lights on while changing a tire(blinkers and police lights attract drunk drivers for some odd reason!), during Hurricane season they work better and are much safer than using candles in the house, can be used out on the water to identify life savers during fishing trips, and these are perfect for camping with the family. I found one in my seabag from 2008 last summer and they do have a expiration date as a previous person noted. Either way, these are good in case one of these solar flares knocks of us the grid for a couple of years like Professor Michiko warned us about a few months ago ):
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Verified Purchase
Good product I would buy it again. The only thing I noticed when I tested the stick. Is it really only gave out about 8 hours of usable light. After 8 hours I had to take the stick and put it really close to what I wanted to see.
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