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

By Cyalume
4.7 out of 5 stars  See all reviews (44 customer reviews)

List Price: $21.50
Price: $18.70 & FREE Shipping on orders over $35. Details
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Specifications for this item

Number of Items
10
Item Shape
Duration: 12 Hour
Color Name
Green
Material Type
PHTHALATE - FREE
Part Number
9-42290
Brand Name
Cyalume
Size Name
10
Overall Length
6  inches


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

Product Details

Material Safety Data Sheet [43kb PDF]
  • Shipping Weight: 9.6 ounces (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B0052ZAP6M
  • Item model number: 9-42290
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (44 customer reviews)
  • Amazon Best Sellers Rank: #703 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
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Frequently Bought Together

Cyalume ChemLight Military Grade Chemical Light Sticks, Green, 6" Long, 12 Hour Duration (Pack of 10) + Emergency Mylar Thermal Blankets (Pack of 10)
Price for both: $25.75

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 Questions & Answers

Customer Reviews

Most Helpful Customer Reviews
31 of 31 people found the following review helpful
5.0 out of 5 stars Now THIS is a glow stick May 10, 2011
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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23 of 23 people found the following review helpful
5.0 out of 5 stars Brighter than other sticks on Amazon November 5, 2011
By Josh
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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18 of 18 people found the following review helpful
4.0 out of 5 stars These are just cool October 19, 2011
Verified Purchase
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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9 of 9 people found the following review helpful
5.0 out of 5 stars Worth the price August 10, 2011
By Unlucky
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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9 of 9 people found the following review helpful
5.0 out of 5 stars Great Product! Great Expiration Date! April 14, 2011
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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15 of 17 people found the following review helpful
5.0 out of 5 stars Priceless when needed November 6, 2011
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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6 of 6 people found the following review helpful
4.0 out of 5 stars These really are military grade! March 30, 2012
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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5 of 5 people found the following review helpful
4.0 out of 5 stars More like 8 hours of usable light August 9, 2012
By Ron
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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Most Recent Customer Reviews
5.0 out of 5 stars awesome
these things are bright! i took them camping and they very great. they also worked longer than 12 hours. i will definitely buy more when i run out.
Published 12 days ago by philipJfry
5.0 out of 5 stars Great chem lights
These chem lights are bright and last as long if not longer than advertised. Great for when the lights go out, broke down on side of road or natural disaster
Published 13 days ago by Aaron
5.0 out of 5 stars the best
these don't compare to the ones you buy at walmart or dollar stores, they last much longer and are much brighter, I use them when we go camping, and they last all night
Published 1 month ago by Richard M. Shanahan
5.0 out of 5 stars Long lasting and very bright
Great for a b.o.b , I tested one , cracked it about 8 or 9 pm, set it in an area that was about 65 to 70 degrees F. Read more
Published 2 months ago by Kandisse
5.0 out of 5 stars Great Chem Light
If you have a need for a ChemLight then this one is a great choice. They last quite a while and offer the amount of light needed for this type of product.
Published 2 months ago by Monopoly J
5.0 out of 5 stars Very good product
These last at almost full strength for about 8 hours, with complete loss of light after about 20. Defintaley worth the cost.
Published 3 months ago by Jeanette D.
5.0 out of 5 stars Have not used
My Cualume ChemLight Military Grade Chemical Light Sticks are still in the original package and have not been used. Read more
Published 3 months ago by M. Dutko
4.0 out of 5 stars Cyalume ChemLight Military Grade Chemical Light Sticks, Green, 6"...
They are bright, and last for awhile. Always good to have in an emergency bag, or when the power goes out.
Published 4 months ago by mark smith
5.0 out of 5 stars AWESOME PRODUCT, RIGHT PRICE
I got these to use for camping and nighttime water-skiing.I buy glow sticks several times a year and these are great quality(not the kids knock offs that barely work.... Read more
Published 4 months ago by Jerry
5.0 out of 5 stars Milspec Chemlights
works as described..light continues to work for up to 18 hours at lesser degree of intensity. The industrial grade is a better value as you could use 2 lights and get 24 hours of... Read more
Published 6 months ago by Jim Ellis
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