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What changes in the new ANSI Z87.1-2010

 

Are users required to use only products complying with ANSI Z87.1-2010?

No that's not the case. OSHA accepts the three latest ANSI standards (1989, 2003 and 2010) as well as other standards that the employer can demonstrate offers similar requirements, such as EN-166 or CSA Z94.03-02. OSHA published this information on September 9, 2009 in the Federal Register.

What are the principal changes in the new standard?

The old standard has a section for each type of protection, such as safety glasses, goggle, face shields and welding helmets. Each type of protector had a chapter in the standard, which established the required testing and optical properties as well as marking requirements.

The new standard is focused on the hazards and is organized  so that users can seek guidance by type pf hazard, such as impact, optical radiation, splash, fine dust and mist.

What has changed in regards to performance requirements?

  1. The new standard has two categories: Impact rated and non impact rated, while the old standard  had "basic" and "high impact" protectors.

  2. According to Daniel Torgersen, Chairman of the Z87 committee, the new coverage requirement is taken from CSA Z94.03.

  3. Fewer impact tests are required: down from 20 to 6. High velocity testing is still done at 150 feet/second.

  4. Optional testing is now available for dust and mist, as well as for UV (ultra violet), visible light and IR (infra red) filters. These tests are not mandatory, but if a manufacture wants to claim this specific performance the protectors must be tested and marked accordingly.

Will the markings requirements change?

There are new markings requirements for the optional testing described above. Splash and droplet protectors will be marked D3-splash and droplet, D4-dust and D5-fine dust. Welding lenses shall be marked W followed by shade number. UV protectors shall be marked U followed by scale number. IR protectors shall be marked R followed by scale number. A Visible Light filter (such as a gray lens for sun protection) shall be marked L followed by a scale number.

Tables at the bottom of this page show the UV and Visible Light transmittance requirements and the appropriate markings.

Z87+ will continue to indicate an Impact protector

Z87 will now mean a Non-Impact protector.

Do Elvex eye and face protection comply with the new Z87.1-2010?

All Elvex eye and face protection meet the performance requirements of the new ANSI standard. As we move forward markings will be added for the optional requirements, and markings will be updated to comply with the new requirements. Packaging will be updated to indicate compliance with the new standard.

ANSI Z87.1-2010

Below is a summary of the tests and requirements for safety spectacles, goggle and face shields. Please note that the original document is 47 pages long, and it contains a lot of detailed information. This summary is not claimed to be complete.

Test Performed

Requirement

High Mass Impact

Frame shall be capable of resisting impact from a pointed projectile weighing 500g (17.6 oz.) dropped from a height of 127 cm (50 in.).

High Velocity Impact

Face shields shall be capable of resisting impact from a 6.35 mm (1/4 in) diameter steel ball traveling at a velocity of 91.44 mps (300 fps).

Goggles shall be capable of resisting impact from a 6.35 mm (1/4 in) diameter steel ball traveling at a velocity of 76.2 mps (250 fps).

Spectacles shall be capable of resisting impact from a 6.35 mm (1/4 in) diameter steel ball traveling at a velocity of 45.7 mps (150 fps).

For sample size of 6, no failure may occur (Z87.1-2003 required 20).

Drop-Ball Impact

Basic impact requirement for all devices: 1 inch diameter steel ball dropped at 127 cm (50 inches)

Coverage Required lateral (side) coverage has been increased, and it is now the same as CSA Z94.03-02. No openings greater that 1.5 mm (0.06").

Penetration Test (Plastic lenses only)

Spectacles shall be capable of resisting penetration from a weighted projectile weighing 44.2 g (1.56 oz dropped from a height of 127 cm (50 in).

Prismatic Power

The prismatic power shall not exceed 1/2 prism diopter in any direction. Vertical and horizontal prism imbalance shall not exceed 1/4 prism diopter....

Refractive Power and Astigmatism

The refractive power in any meridian shall not exceed 0.06 diopter. The astigmatism shall not exceed 0.06 diopter.

 No requirement for face shields

Haze

Lenses shall not exhibit more than 3% haze, when tested in accordance with....

Optical Quality

No striae, bubbles, waves or other visible defects that would impair optical quality is allowed.

Transmittance

Clear and filter plano lenses shall comply with table 9 or 10 of Z87.1. Special purpose lenses shall comply with Table 7 through 10.

Cleanability

After cleaning the function of the spectacles shall not be impaired.

Optional Tests There are optional tests for Welding lenses, UV lenses, IR lenses and VLT filters. For goggles optional tests include Splash/Droplet, Dust and Fine dust.

Markings

Impact protector (must meet High mass Impact, High Velocity Impact and Penetration tests) shall be marked Z87+

Non Impact Protector (must meet all requirements, except impact requirements) shall be marked Z87.

Frame components: All major components shall bear Manufacturers mark and shall be marked "Z87"

Lens: Manufacturers mark, and if applicable "S" for lenses with less than 85% visible light transmission. This marking is in accordance with old Z87 when optional tests have not been performed. New version marking listed below.

Optional tests and markings: There are optional tests for Welding lenses, UV lenses, IR lenses and VLT filters. If these properties are claimed, the have to be marked on the lens.

Welding: W-followed by shade number
UV filter: U and scale number
Visible light filter: L and scale number
IR filter: R and scale number
See scale table below!

 

Goggles only:
Splash/Droplet: D3
Dust: D4
Fine Dust: D5

Criteria

Face Shield Requirements

Minimum Thickness

1.0 mm (.039 in) at thinnest point

High Mass Impact

Face shield shall be capable of resisting impact from a pointed projectile weighing 500g (17.6 oz.) dropped from a height of 127 cm (50 in.).

High Velocity Impact

Face shield shall be capable of resisting impact from a 6.35 mm (1/4 in) diameter steel ball traveling at a velocity of 91.4 mps (300 fps). For sample size of 20, no failure may occur.

Drop-Ball Impact

Basic impact requirement for all devices: 1 inch diameter steel ball weighing 86 g (2.4 oz) dropped at 127 cm (50 inches)

Penetration Test

Face shield shall be capable of resisting penetration from a weighted projectile weighing 44.2 g (1.56 oz) dropped from a height of 127 cm (50 in).

Prismatic Power

The prismatic power shall not exceed 0.37 prism diopter in any direction. Vertical and horizontal prism imbalance shall not exceed 1/4 prism diopter and horizontal prism imbalance shall not exceed 0.125 diopter "base in" or 0.75 diopter "base out".

Refractive Power and Astigmatism

No requirement

Haze

Lenses shall not exhibit more than 3% haze, when tested in accordance with....

Optical Quality

No striae, bubbles, waves or other visible defects that would impair optical quality is allowed.

Transmittance

Clear and filter plano lenses shall comply with table one of Z87.1. Special purpose lenses shall comply with Table 2.

Cleanability

After cleaning the function of the face shield shall not be impaired.

Markings

Lens: Manufacturers mark, and if applicable "S" for lenses with less than 85% visible light transmission. 

All major components shall bear Manufacturers mark and shall be marked "Z87"

Transmittance requirements for Ultraviolet Filters:

Scale (Marking) Maximum effective Far-Ultra-Violet (200-315 nm) Average transmittance % Maximum effective Near-Ultra-Violet (325-380 nm) Average transmittance %
U2 0.1 3.7
U2.5 0.1 2.3
U3 0.07 1.4
U4 0.04 0.5
U5 0.02 0.2
U6 0.01 0.1

Transmittance requirements for Visible Light Filters:

Scale (Marking) Maximum % Nominal % Minimum %
L1.3 85 74.5 67
L1.5 67 61.5 55
L1.7 55 50.1 43
L2 43 37.3 29
L2.5 29 22.8 18
L3 18 13.9 8.5
L4 8.5 5.18 3.16
L5 3.16 1.93 1.18
L6 1.18 0.72 0.44
L7 0.44 0.27 0.164
L8 0.164 0.1 0.061
L9 0.061 0.037 0.023
L10 0.023 0.0139 0.0085

 

 
 

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