We explain the safety certifications that the best airsoft glasses must meet.
Safety glasses are the most important element of our kit. These must protect the eyes through their certified resistance to the impacts of the balls that shoot at us during the game and, very importantly, from any angle that might come, given the different situations and scenarios that we encounter while playing Airsoft. Optimal certifications: the EU166B, And the ANSI Z87 +.
The mesh glasses do not guarantee the safety of our eyes.
The metallic grid does not prevent the passage of the pieces of the ball towards the eyes, when the projectile hits against it. This means that our eyes will receive the impact of the chipped fragments at high speed and with a lot of energy, which will surely injure our eyeballs. Grid, no.
Recommended goggles for airsoft
STUDY OF RESISTANCE OF SAFETY GLASSES FOR AIRSOFT, ACCORDING TO EUROPEAN AND NORTH-AMERICAN STANDARDS
The European standard EN 166 "Individual eye protection. Requirements ”of April 1996, states:
Category F: HIGH SPEED PARTICLES + LOW ENERGY IMPACT
Category B: HIGH SPEED PARTICLES + MEDIUM ENERGY IMPACT
Category A: HIGH SPEED PARTICLES + HIGH ENERGY IMPACT
Note: If the symbols F, B and A are not common to the frame and lens of the eye protection equipment, the symbol corresponding to the complete eye protection will be the lowest of those that appear on its parts. For this reason, eye protection suitable for playing Airsoft games must have at least “B” marked on both the frame and the lens.
Impacts received by our Airsoft glasses
Four classes of mechanical resistance to shocks or impacts are established.
Therefore, the eyepieces can be:
S * General or basic use. The maximum protection offered is the equivalent to an impact of a 43 g steel ball, dropped freely from a height of 130 cm.
F * High speed impact with low energy. In this case, the eyepiece is capable of resisting the impact of a 6 mm diameter, 0,86 g weight steel ball thrown at a speed of 45 m / second.
B * High speed impact with medium energy. The eyepiece resists the impact of the same projectile, but at 120 m / second.
A * High speed impact with high energy. The mechanical resistance is such that it does not break when the projectile reaches speeds of up to 190 m / second.
The EN 166 standard admits that universal rimmed glasses can withstand a maximum mechanical resistance corresponding to the degree of high speed at low energy. The integral mount ones have a maximum degree of protection from high speed to medium energy. Face shields are only supported when the risk of impact is equivalent to that of high speed with high energy.
According to the formula to calculate the kinetic energy of a body: (m * v ^ 2) / 2, this is the resistance of the glasses, according to its EN 166 approval:
F - 0,86 g -45 m / second ………. 0,870 Joules
B - 0,86 g -120 m / second …… .. 6,192 Joules
A - 0,86 g -190 m / second …… .. 15,523 Joules
And this is the power of a possible impact on Airsoft games:
0,20 g - 200 fps (60,8 m / second) …… ..0,370 Joules
0,20 g - 250 fps (76,0 m / second) …… ..0,580 Joules
0,20 g - 300 fps (91,2 m / second) …… ..0,830 Joules
0,20 g - 350 fps (106,4 m / second) …… 1,132 Joules
0,20 g - 400 fps (121,6 m / second) …… 1,478 Joules
0,20 g - 450 fps (136,8 m / second) …… 1,871 Joules
0,20 g - 550 fps (167,2 m / second) …… 2,795 Joules
As you can see only the glasses that have a marked "B" on the frame and eyepieceThey are suitable for playing Airsoft games safely.
The North American protection standard, ANSI z87.1, from 2003, as in European models, establishes a marking on the lenses that indicates the degree of protection:
- Basic: "Z87"
- High: "Z87 +"
These levels of protection have different testing requirements.
"Basic Impact" lenses must pass a test in which a 1-inch diameter (2.54 cm) ball weighing 43 g falls from a height of 50 inches (127 cm)
"High Impact" lenses have to pass a test in which a 1/4 inch (6.35 mm) and 0,86 gr. Steel ball. weight is launched at different speeds, depending on the type of lens:
Temple glasses: …………………… .. 150 FPS
Goggles (Goggles):… .. 250 FPS
Face shields (weld type): …… 300 FPS
This is the resistance of the glasses, according to its ANSI z87.1 approval:
Z87 + (temple style) - 0,86 g ……… 150 FPS ……. 0,89 Joules
Z87 + (motocross style) - 0,86 g… .. 250 FPS ……. 2,98 Joules
Z87 + (solder style) - 0,86 g…. 300 FPS ……. 3,58 Joules
How can you check only the glasses that have marking Z87 + and are NOT pin They are suitable for playing Airsoft games safely.
This article wants to guide new initiates. It is the responsibility of each user to verify that the security elements that he acquires comply with the appropriate certification to play Airsoft, and that the manufacturer has not varied the quality or certification of its products. They must be advised by the seller from whom they are purchased at the time of purchasing any product. We decline any responsibility, the user accepts these terms.