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常見問題
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ANSI Z87.1:2015(護目鏡/安全眼鏡)包含哪些要求?光學性要求 光學質量 鏡片的透光率 霧度(僅透明鏡片) 球光, 散光和棱鏡度 物理性要求 落球抗衝擊能力 耐熱能力 金屬零件的抗腐蝕能力 最小覆蓋範圍 光密封性 側面防護能力 大規模衝擊防護能力 高速衝擊防護能力 滲透測試(僅鏡片) 抗飛沫和液體飛濺能力 抗粉塵能力 抗細塵顆粒能力
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ISO 12312-1:2013(太陽眼鏡)包含哪些要求?強制性要求 物料和表面質量檢查 鏡片的透光率 光學性能 球光度和散光度 屈光的局部變化 棱鏡偏差 鏡片最低抗壓能力 鏡架變形和鏡片固定能力 抗太陽光輻照能力 耐熱能力 選項性要求 抗衝擊能力 (強度1) 抗衝擊能力 (強度2/3) 鏡腿疲勞測試 汗液測試 耐磨損能力
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最廣為人知/ 泛用的太陽眼鏡的標準編號有哪些?最廣為人知/ 泛用的太陽眼鏡的標準主要有以下: 國際標準:ISO12312-1, ISO12311 (取締舊有EN1836) 美國標準:ANSI Z80.3 澳大利亞/ 新西蘭標準:AS/NZS 1067.1, AS/NZS 1067.2
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最廣為人知/ 泛用的護目鏡/安全眼鏡的標準編號有哪些?最廣為人知/ 泛用的護目鏡/安全眼鏡的標準有以下: 國際標準:ISO DIS 16321 歐洲標準:EN166, EN167, EN168 美國標準:ANSI Z87.1 澳大利亞/ 新西蘭標準:AS/NZS 1337.1
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EN 174:2001(滑雪眼鏡)包含哪些要求?強制性要求 鏡片視野 鏡片要求: 光學性能 透光率 透光率的變化 物料和表面質量 抗紫外線能力 機械強度 防水, 防雪能力 耐熱能力 適用於清潔和保養能力 選項性要求 抗細顆粒造成的表面磨損 鏡片或濾鏡的防霧能力 抗紅外線能力
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ISO 16321-1(護目鏡/安全眼鏡) 有哪些可視標記?16321 - 基本用途 1 - 增強的光學性能 3 - 抗飛沫功能 4 - 抗大型塵粒功能 5 - 抗氣體及微塵粒功能 6 - 抗蒸汽功能 7 - 抗熱功能 9 - 熔融金屬和熱固體防護功能 CH - 耐化學功能 K - 抗細顆粒造成的表面磨損 N - 防霧功能 C - 撞擊等級 C (45 m/s) D - 撞擊等級 D (80 m/s) E - 撞擊等級E (120 m/s) HM - 撞擊等級 HM CT - 極端溫度下的撞擊等級C (45 m/s) DT - 極端溫度下的撞擊等級D (80 m/s) ET - 極端溫度下的撞擊等級E (120 m/s) HMT - 極端溫度下的撞擊等級 HM
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EN 166:2001(護目鏡/安全眼鏡) 有哪些可視標記?S - 抗壓功能強化 b - 光學輻射 F - 高速顆粒–低能量撞擊 B - 高速顆粒–中能量撞擊 A - 高速顆粒–高能量撞擊 3 - 抗飛沬及液體飛濺功能 4 - 抗大型塵粒功能 5 - 抗氣體及微塵粒功能 8 - 短路電弧防護功能 9 - 熔融金屬和熱固體防護功能 T - 極端溫度下的高速顆粒 K - 抗細顆粒造成的表面磨損 N - 防霧功能 R - 提高反射率 O - 原始/替換鏡片
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ISO 16321-1(護目鏡/安全眼鏡)包含哪些要求?強制性要求 光學性能 球光和散光度 影像扭曲 棱鏡偏差 鏡片的透光率 紫外線透射率 耐熱能力 抗紫外線能力 抗腐蝕能力 通風穿透能力 高速抗衝擊能力 選項性要求 鏡片表面抗磨損功能 鏡片或濾鏡的防霧功能 抗熔融金屬和熱固體功能 抗飛沫功能 抗蒸汽功能 抗大型塵粒功能 抗氣體及微塵粒功能 抗熱功能 耐化學功能 ATEX抗燃燒功能
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GB 39552.2-2020(太陽眼鏡標準)包括了哪些測試項目?鏡片透光率相關測試 鏡片透光率測試 透光率一致性測試 散射光測試 光致變色測試(新増溫度測試要求) 光學性能測試 球光度和散光度測試 棱鏡偏差測試 機械性能測試 鏡片耐疲勞能力測試 鏡架變形和鏡片固定能力測試 抗太陽光輻照能力測試 阻燃能力測試 包覆層性能測試 防護性能測試 耐磨損能力測試
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EN 166:2001(護目鏡/安全眼鏡)包含哪些要求?光學性要求 鏡片視野 球光, 散光和棱鏡度 鏡片的透光率 物料和表面質量 抗壓能力 抗老化能力 抗腐蝕能力 耐熱能力 特殊要求 光輻射防護能力 高速粒子防護能力 熔融金屬和熱固體防護能力 抗飛沫和液體飛濺能力 抗大型塵粒能力 抗氣體和日常塵粒能力 短路電弧防護能力 側面防護能力 選項性要求 抗細顆粒造成的表面磨損 鏡片或濾鏡的防霧功能 抗紅外線功能 極端溫度下的抗高速衝擊功能
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What ocular markings are included in EN 166:2001 (Safety eyewear)?S - Increased robustness b - Optical radiation F - High Speed particles – Low Energy impact B - High Speed particles – Medium Energy impact A - High Speed particles – High Energy impact 3 - Liquid droplets and splashes 4 - Large dust particles 5 - Gas & fine dust particles 8 - Short circuit electric arc 9 - Molten metals & hot solids T - High speed particles at extremes of temperature K - Resistance to surface damage by fine particles N - Resistance to fogging of oculars R - Enhanced reflectance O - Original or replacement ocular
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What requirements are included in ISO 16321-1 (Safety eyewear) ?Mandatory Requirements Optical power Spherical and cylindrical power Spatial deviation Prismatic deviation Luminous transmittance of lenses Ultraviolet Ray Transmission Resistance to thermal exposure Resistance to ultraviolet radiation Resistance to corrosion Resistance to ignition Penetration of vents High-speed impact resistance Optional Requirements Resistance to surface damage due to flying fine particles Resistance to fogging of lenses or filters Protection against molten metals and hot solids Protection against droplets Protection against streams of liquids Protection against large dust particles Protection against gases and fine dust Protection against radiant heat Chemical resistance ATEX requirement
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What requirements are included in EN 174:2001 (Ski-goggles)?Mandatory Requirements Field of vision Lenses requirements: Optical power Transmittance Variations in luminous transmittance Quality of material and surface Resistance to ultraviolet radiation Mechanical strength Protection against water and snow Resistance to ignition Suitability for cleaning and care Optional Requirements Resistance to surface damage by fine particles Resistance to fogging of oculars Enhanced infrared absorption of oculars
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What are the most preferred/ popular Safety Eyewear Testing Standards?The most preferred/ popularSafety Eyewear Standards below: International Standard: ISO DIS 16321 Europe Standard: EN166, EN167, EN168 America Standard: ANSI Z87.1 Australian/New Zealand standard: AS/NZS 1337.1
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What requirements are included in ISO 12312-1:2013 (Sunglasses and related eyewear) ?Mandatory Requirements Material & Surface Quality Luminous transmittance of lenses Refractive power Spherical and astigmatic power Local variations Prism imbalance Minimum robustness of filters Frame deformation and retention of filters Resistance to solar radiation Resistance to ignition Optional Requirements Impact resistance of the filter, strength level 1 Impact resistance of the filter, strength level 2 or 3 Increased endurance of sunglasses Resistance to perspiration Resistance to abrasion
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What testing items are included in GB 39552.2-2020 (Sunglasses and related eyewear)?Transmittance Related Tests Luminous transmittance of lenses Scattering of light Photochromic Lenses Test (Temperature Requirements added) Optical Properties Refractive power Spherical and astigmatic power Prism imbalance Mechanical Tests Minimum robustness of filters Frame deformation and retention of filters Resistance to solar radiation Resistance to ignition Impact resistance of the filter Increased endurance of sunglasses Resistance to abrasion
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What are the most preferred/ popular Sunglasses Testing Standards?The most preferred/ popular sunglasses standards are mainly below: International Standard:ISO12312-1, ISO12311 (replace Europe Standard EN1836) America Standard: ANSI Z80.3 Australian/New Zealand standard: AS/NZS 1067.1, AS/NZS 1067.2
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What ocular markings are included in ISO 16321-1 (Safety eyewear)?16321 - Basic use 1 - Enhanced optical performance (marking optional) 3 - Droplets 4 - Large dust particles 5 - Gas and fine dust particles 6 - Streams of liquid 7 - Radiant heat 9 - Molten metals and hot solids CH - Chemical resistance K - Surface damage by fine particles N - Resistance to fogging C - Impact Level C (45 m/s) D - Impact Level D (80 m/s) E - Impact Level E (120 m/s) HM - Impact Level High Mass CT - Impact Level C (45 m/s) at extremes of temperature DT - Impact Level D (80 m/s) at extremes of temperature ET - Impact Level E (120 m/s) at extremes of temperature HMT - Impact Level HM at extremes of temperature
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What requirements are included in ANSI Z87.1:2015 (Safety eyewear)?Optical Requirements Optical Quality Luminous Transmittance Haze – Clear Lenses Only Refractive Power, Astigmatism, Resolving Power, Prism and Prism Imbalance Physical Requirements Drop Ball Impact Resistance Ignition Corrosion Resistance of Metal Components Minimum Coverage Area Light Tightness Lateral Protection High Mass Impact High Velocity Impact Penetration Test (lenses only) Droplet and Splash Hazard Dust Hazard Fine Dust Hazard
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What requirements are included in EN 166:2001 (Safety eyewear)?Optical requirements Field of vision Spherical, astigmatic and prismatic refractive powers Luminous transmittance of lenses Quality of material and surface Robustness Resistance to ageing Resistance to corrosion Resistance to ignition Particular requirements Protection against optical radiation Protection against high-speed particles Protection against molten metals and hot solids Protection against droplets and splashes of liquids Protection against large dust particles Protection against gases and fine dust particles Protection against short circuit electric arc Lateral Protection Optional requirements Resistance to surface damage by fine particles Resistance to fogging of oculars Oculars with enhanced reflectance in the infrared Protection against high speed particles at extremes of temperature
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What are Sunglasses Lenses made of?Sunglasses lenses are most popularly made from plastic or polycarbonate. Plastic is the most used lens material because it is thin and lightweight. While polycarbonate is technically a type of plastic, it is far more durable than regular organic plastic.
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What are the commonly used Anti-fog Technologies in eyewear industry?Wearing together with surgical masks, we can certainly imagine the importance to have a truly workable anti-fog function on Medical eyewear? How do you know clearly what to ask the supplier for when making such purchases (whether it is government level, hospital level, corporate or wholesale level purchase) For Sports function eyewear brands, had there been a request to add or enhance current anti-fog features onto your lenses? How many types of production technologies exist for producing lenses with anti-fog functions? Based on performance data from your lens supplier, how do you tell which technology(s) they are using? And what are the pros & cons of each… As a start of understanding, you may hear terms such as hydrophobic vs. hydrophilic. To briefly explain, hydrophobicity describes the physical property of a molecule that is seemingly repelled from a mass of water while hydrophiles are attracted to water. In the eyewear industry, it is safe to say that hydrophilic has become the mainstream choice, so the remaining discussion will focus on related technology options. Most hydrophilic common technologies found available to produce lenses or visors with anti-fog functions are Coating and Film material (which its surface by nature has anti-fog performance). Coating can be done by a dip-coating process, spray/spin coating. Amongst these coating applications, some are better adhesion to the lens surface thus more durable over time than others. From another aspect of comparison, Film and some particular coating have better “depth” of hydrophilic absorption capacity than others, allowing the eyewear to continuously provide anti-fog performance for more hours of consecutive use and clear vision during this duration. More rare and newly developed anti-fog applications involve the vacuum coating process, microscopic etching, and new materials, etc.
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What are Safety Glasses made of?The most popular lens material for safety eyewear is polycarbonate. This material has less than half the weight of glass making the eyewear more comfortable to wear. Polycarbonate lenses are also more impact-resistant than glass lenses and do not shatter.
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太陽鏡鏡片由什麼材料製成?太陽鏡鏡片普遍由塑料或聚碳酸酯製成。塑料是最常用的鏡片材料,因為它既輕又薄。從技術上講,聚碳酸酯是一種塑料,但它比普通的有機塑料耐用得多。
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安全眼鏡由什麼材料製成?安全眼鏡最常用的鏡片材料是聚碳酸酯。這種材料的重量不到玻璃的一半,使眼鏡佩戴起來更加舒適。聚碳酸酯鏡片也比玻璃鏡片更耐衝擊,不會碎裂。
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ANSI Z87.1:2015(護目鏡/安全眼鏡)包含哪些要求?光學性要求 光學質量 鏡片的透光率 霧度(僅透明鏡片) 球光, 散光和棱鏡度 物理性要求 落球抗衝擊能力 耐熱能力 金屬零件的抗腐蝕能力 最小覆蓋範圍 光密封性 側面防護能力 大規模衝擊防護能力 高速衝擊防護能力 滲透測試(僅鏡片) 抗飛沫和液體飛濺能力 抗粉塵能力 抗細塵顆粒能力
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ISO 12312-1:2013(太陽眼鏡)包含哪些要求?強制性要求 物料和表面質量檢查 鏡片的透光率 光學性能 球光度和散光度 屈光的局部變化 棱鏡偏差 鏡片最低抗壓能力 鏡架變形和鏡片固定能力 抗太陽光輻照能力 耐熱能力 選項性要求 抗衝擊能力 (強度1) 抗衝擊能力 (強度2/3) 鏡腿疲勞測試 汗液測試 耐磨損能力
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最廣為人知/ 泛用的太陽眼鏡的標準編號有哪些?最廣為人知/ 泛用的太陽眼鏡的標準主要有以下: 國際標準:ISO12312-1, ISO12311 (取締舊有EN1836) 美國標準:ANSI Z80.3 澳大利亞/ 新西蘭標準:AS/NZS 1067.1, AS/NZS 1067.2
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最廣為人知/ 泛用的護目鏡/安全眼鏡的標準編號有哪些?最廣為人知/ 泛用的護目鏡/安全眼鏡的標準有以下: 國際標準:ISO DIS 16321 歐洲標準:EN166, EN167, EN168 美國標準:ANSI Z87.1 澳大利亞/ 新西蘭標準:AS/NZS 1337.1
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EN 174:2001(滑雪眼鏡)包含哪些要求?強制性要求 鏡片視野 鏡片要求: 光學性能 透光率 透光率的變化 物料和表面質量 抗紫外線能力 機械強度 防水, 防雪能力 耐熱能力 適用於清潔和保養能力 選項性要求 抗細顆粒造成的表面磨損 鏡片或濾鏡的防霧能力 抗紅外線能力
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ISO 16321-1(護目鏡/安全眼鏡) 有哪些可視標記?16321 - 基本用途 1 - 增強的光學性能 3 - 抗飛沫功能 4 - 抗大型塵粒功能 5 - 抗氣體及微塵粒功能 6 - 抗蒸汽功能 7 - 抗熱功能 9 - 熔融金屬和熱固體防護功能 CH - 耐化學功能 K - 抗細顆粒造成的表面磨損 N - 防霧功能 C - 撞擊等級 C (45 m/s) D - 撞擊等級 D (80 m/s) E - 撞擊等級E (120 m/s) HM - 撞擊等級 HM CT - 極端溫度下的撞擊等級C (45 m/s) DT - 極端溫度下的撞擊等級D (80 m/s) ET - 極端溫度下的撞擊等級E (120 m/s) HMT - 極端溫度下的撞擊等級 HM
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EN 166:2001(護目鏡/安全眼鏡) 有哪些可視標記?S - 抗壓功能強化 b - 光學輻射 F - 高速顆粒–低能量撞擊 B - 高速顆粒–中能量撞擊 A - 高速顆粒–高能量撞擊 3 - 抗飛沬及液體飛濺功能 4 - 抗大型塵粒功能 5 - 抗氣體及微塵粒功能 8 - 短路電弧防護功能 9 - 熔融金屬和熱固體防護功能 T - 極端溫度下的高速顆粒 K - 抗細顆粒造成的表面磨損 N - 防霧功能 R - 提高反射率 O - 原始/替換鏡片
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ISO 16321-1(護目鏡/安全眼鏡)包含哪些要求?強制性要求 光學性能 球光和散光度 影像扭曲 棱鏡偏差 鏡片的透光率 紫外線透射率 耐熱能力 抗紫外線能力 抗腐蝕能力 通風穿透能力 高速抗衝擊能力 選項性要求 鏡片表面抗磨損功能 鏡片或濾鏡的防霧功能 抗熔融金屬和熱固體功能 抗飛沫功能 抗蒸汽功能 抗大型塵粒功能 抗氣體及微塵粒功能 抗熱功能 耐化學功能 ATEX抗燃燒功能
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GB 39552.2-2020(太陽眼鏡標準)包括了哪些測試項目?鏡片透光率相關測試 鏡片透光率測試 透光率一致性測試 散射光測試 光致變色測試(新増溫度測試要求) 光學性能測試 球光度和散光度測試 棱鏡偏差測試 機械性能測試 鏡片耐疲勞能力測試 鏡架變形和鏡片固定能力測試 抗太陽光輻照能力測試 阻燃能力測試 包覆層性能測試 防護性能測試 耐磨損能力測試
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EN 166:2001(護目鏡/安全眼鏡)包含哪些要求?光學性要求 鏡片視野 球光, 散光和棱鏡度 鏡片的透光率 物料和表面質量 抗壓能力 抗老化能力 抗腐蝕能力 耐熱能力 特殊要求 光輻射防護能力 高速粒子防護能力 熔融金屬和熱固體防護能力 抗飛沫和液體飛濺能力 抗大型塵粒能力 抗氣體和日常塵粒能力 短路電弧防護能力 側面防護能力 選項性要求 抗細顆粒造成的表面磨損 鏡片或濾鏡的防霧功能 抗紅外線功能 極端溫度下的抗高速衝擊功能
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What ocular markings are included in EN 166:2001 (Safety eyewear)?S - Increased robustness b - Optical radiation F - High Speed particles – Low Energy impact B - High Speed particles – Medium Energy impact A - High Speed particles – High Energy impact 3 - Liquid droplets and splashes 4 - Large dust particles 5 - Gas & fine dust particles 8 - Short circuit electric arc 9 - Molten metals & hot solids T - High speed particles at extremes of temperature K - Resistance to surface damage by fine particles N - Resistance to fogging of oculars R - Enhanced reflectance O - Original or replacement ocular
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What requirements are included in ISO 16321-1 (Safety eyewear) ?Mandatory Requirements Optical power Spherical and cylindrical power Spatial deviation Prismatic deviation Luminous transmittance of lenses Ultraviolet Ray Transmission Resistance to thermal exposure Resistance to ultraviolet radiation Resistance to corrosion Resistance to ignition Penetration of vents High-speed impact resistance Optional Requirements Resistance to surface damage due to flying fine particles Resistance to fogging of lenses or filters Protection against molten metals and hot solids Protection against droplets Protection against streams of liquids Protection against large dust particles Protection against gases and fine dust Protection against radiant heat Chemical resistance ATEX requirement
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What requirements are included in EN 174:2001 (Ski-goggles)?Mandatory Requirements Field of vision Lenses requirements: Optical power Transmittance Variations in luminous transmittance Quality of material and surface Resistance to ultraviolet radiation Mechanical strength Protection against water and snow Resistance to ignition Suitability for cleaning and care Optional Requirements Resistance to surface damage by fine particles Resistance to fogging of oculars Enhanced infrared absorption of oculars
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What are the most preferred/ popular Safety Eyewear Testing Standards?The most preferred/ popularSafety Eyewear Standards below: International Standard: ISO DIS 16321 Europe Standard: EN166, EN167, EN168 America Standard: ANSI Z87.1 Australian/New Zealand standard: AS/NZS 1337.1
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What requirements are included in ISO 12312-1:2013 (Sunglasses and related eyewear) ?Mandatory Requirements Material & Surface Quality Luminous transmittance of lenses Refractive power Spherical and astigmatic power Local variations Prism imbalance Minimum robustness of filters Frame deformation and retention of filters Resistance to solar radiation Resistance to ignition Optional Requirements Impact resistance of the filter, strength level 1 Impact resistance of the filter, strength level 2 or 3 Increased endurance of sunglasses Resistance to perspiration Resistance to abrasion
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What testing items are included in GB 39552.2-2020 (Sunglasses and related eyewear)?Transmittance Related Tests Luminous transmittance of lenses Scattering of light Photochromic Lenses Test (Temperature Requirements added) Optical Properties Refractive power Spherical and astigmatic power Prism imbalance Mechanical Tests Minimum robustness of filters Frame deformation and retention of filters Resistance to solar radiation Resistance to ignition Impact resistance of the filter Increased endurance of sunglasses Resistance to abrasion
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What are the most preferred/ popular Sunglasses Testing Standards?The most preferred/ popular sunglasses standards are mainly below: International Standard:ISO12312-1, ISO12311 (replace Europe Standard EN1836) America Standard: ANSI Z80.3 Australian/New Zealand standard: AS/NZS 1067.1, AS/NZS 1067.2
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What ocular markings are included in ISO 16321-1 (Safety eyewear)?16321 - Basic use 1 - Enhanced optical performance (marking optional) 3 - Droplets 4 - Large dust particles 5 - Gas and fine dust particles 6 - Streams of liquid 7 - Radiant heat 9 - Molten metals and hot solids CH - Chemical resistance K - Surface damage by fine particles N - Resistance to fogging C - Impact Level C (45 m/s) D - Impact Level D (80 m/s) E - Impact Level E (120 m/s) HM - Impact Level High Mass CT - Impact Level C (45 m/s) at extremes of temperature DT - Impact Level D (80 m/s) at extremes of temperature ET - Impact Level E (120 m/s) at extremes of temperature HMT - Impact Level HM at extremes of temperature
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What requirements are included in ANSI Z87.1:2015 (Safety eyewear)?Optical Requirements Optical Quality Luminous Transmittance Haze – Clear Lenses Only Refractive Power, Astigmatism, Resolving Power, Prism and Prism Imbalance Physical Requirements Drop Ball Impact Resistance Ignition Corrosion Resistance of Metal Components Minimum Coverage Area Light Tightness Lateral Protection High Mass Impact High Velocity Impact Penetration Test (lenses only) Droplet and Splash Hazard Dust Hazard Fine Dust Hazard
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What requirements are included in EN 166:2001 (Safety eyewear)?Optical requirements Field of vision Spherical, astigmatic and prismatic refractive powers Luminous transmittance of lenses Quality of material and surface Robustness Resistance to ageing Resistance to corrosion Resistance to ignition Particular requirements Protection against optical radiation Protection against high-speed particles Protection against molten metals and hot solids Protection against droplets and splashes of liquids Protection against large dust particles Protection against gases and fine dust particles Protection against short circuit electric arc Lateral Protection Optional requirements Resistance to surface damage by fine particles Resistance to fogging of oculars Oculars with enhanced reflectance in the infrared Protection against high speed particles at extremes of temperature
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What are Sunglasses Lenses made of?Sunglasses lenses are most popularly made from plastic or polycarbonate. Plastic is the most used lens material because it is thin and lightweight. While polycarbonate is technically a type of plastic, it is far more durable than regular organic plastic.
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What are the commonly used Anti-fog Technologies in eyewear industry?Wearing together with surgical masks, we can certainly imagine the importance to have a truly workable anti-fog function on Medical eyewear? How do you know clearly what to ask the supplier for when making such purchases (whether it is government level, hospital level, corporate or wholesale level purchase) For Sports function eyewear brands, had there been a request to add or enhance current anti-fog features onto your lenses? How many types of production technologies exist for producing lenses with anti-fog functions? Based on performance data from your lens supplier, how do you tell which technology(s) they are using? And what are the pros & cons of each… As a start of understanding, you may hear terms such as hydrophobic vs. hydrophilic. To briefly explain, hydrophobicity describes the physical property of a molecule that is seemingly repelled from a mass of water while hydrophiles are attracted to water. In the eyewear industry, it is safe to say that hydrophilic has become the mainstream choice, so the remaining discussion will focus on related technology options. Most hydrophilic common technologies found available to produce lenses or visors with anti-fog functions are Coating and Film material (which its surface by nature has anti-fog performance). Coating can be done by a dip-coating process, spray/spin coating. Amongst these coating applications, some are better adhesion to the lens surface thus more durable over time than others. From another aspect of comparison, Film and some particular coating have better “depth” of hydrophilic absorption capacity than others, allowing the eyewear to continuously provide anti-fog performance for more hours of consecutive use and clear vision during this duration. More rare and newly developed anti-fog applications involve the vacuum coating process, microscopic etching, and new materials, etc.
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What are Safety Glasses made of?The most popular lens material for safety eyewear is polycarbonate. This material has less than half the weight of glass making the eyewear more comfortable to wear. Polycarbonate lenses are also more impact-resistant than glass lenses and do not shatter.
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太陽鏡鏡片由什麼材料製成?太陽鏡鏡片普遍由塑料或聚碳酸酯製成。塑料是最常用的鏡片材料,因為它既輕又薄。從技術上講,聚碳酸酯是一種塑料,但它比普通的有機塑料耐用得多。
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安全眼鏡由什麼材料製成?安全眼鏡最常用的鏡片材料是聚碳酸酯。這種材料的重量不到玻璃的一半,使眼鏡佩戴起來更加舒適。聚碳酸酯鏡片也比玻璃鏡片更耐衝擊,不會碎裂。
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