Analysis of the Differences between Australia and my country's Sunglass Standards

u003cbru003eAs the largest country in the production and import and export of sunglasses, my country has already possessed international competitiveness in the sunglasses industry. According to statistics from China Customs, from January to September 2006, the export value of sunglasses was 660 million U.S. dollars. my country's eyewear export market is mainly concentrated in Hong Kong, the European Union, the United States, Japan and other developed countries or regions. The above countries and regions account for 70% of the total exports, and other countries and regions account for 30% of the total. However, sunglasses exported to Australia and New Zealand accounted for only 8% of the total. The main reason is the technical barrier to trade-Australian sunglasses standards, which are significantly different from my country's sunglasses standards. This issue deserves attention. As we all know, the current effective sunglasses standard in my country is QB2457-1999, which is non-equivalent to the American standard ANSI 280.3: 1986 'Requirements for Non-Prescription Sunglasses and Decorative Glasses'. The Australian sunglasses standard refers to AS/NZS 1067: 2003 'Sunglasses and fashion spectacles'. Australia and New Zealand do not adopt EU standards. Australia standardizes the implementation of WTO/TBT regulations and adheres to the principles of openness, independence, proper process and consensus. Therefore, Australia The sunglasses standard (hereinafter referred to as the Australian standard) and China’s current sunglasses standard (hereinafter referred to as the national standard) have the following differences: 1. The scope defined by the standard is different. Anti-sun general radiation, suitable for driver's glasses, children's sunglasses; not suitable for safety goggles, sunbathing goggles, ski goggles. National standard: suitable for sun-shading mirrors, light-colored sunglasses and sunglasses for special purposes f skiing, beach, mountain climbing, etc.; not suitable for goggles for preventing artificial light source radiation and glasses for correcting vision. 2. Sunglasses have different spectral ranges (1) There is a blue light project requirement in the Australian standard, but there is no such requirement in the national standard. The Australian standard points out: solar blue light transmittance (rSB): the weighting factor of the solar radiation spectral distribution Es(λ) and the blue light hazard function B(λ) under the condition of sea level air quality m-2, the wavelength is 400 nm～500 The average value between nm. The Australian standard stipulates the blue light absorption rate: when the lens clearly indicates that its blue light absorption rate is X%, its solar blue light transmittance rSB should not be ≥ (100.5-X)%; blue light transmittance: when the lens clearly indicates its blue light transmittance is less than X% , The solar blue light transmittance rSB should not be ≥ (X+O.5)%. Because the sun has extremely high brightness and spectrum, it contains abundant blue light. When the visible blue light wave is in the spectral range from 415 nm to 490 nm, it is more likely to cause damage to the retina than other light waves. At the same time, the sun The rays on the horizon do not exceed the general limit of safe exposure. For example, the blue light of the sun is dangerous when the sun shines on the snow surface and cannot be directly seen. (2) There is Q in the Australian standard, but there is no such symbol in the national standard. Q is the relative visual attenuation factor, Qu003d Rsig / rv, rsig is the light transmittance of the sunglasses lens for the spectral power distribution of the traffic signal lamp; rv is the standard The illuminating body D65 is the light transmittance of the sunglasses lens of the light source. For example: if rvu003d95%, Qu003dO.80, rsig u003d? Since Qu003drsig/rv, rsig u003d 76%. (3) Different UV spectrum ranges: Australian standard UV spectrum UVB (280 nm～315 nm) ≤ 0.05-v, national standard UVB (290 m～315 m) ≤ 0.5 rv or ≤ 30%; Australian standard UV spectrum UVB (315 nm-400 nm) ≤ rv, the national standard UV spectrum area UVA (315 nm ~ 380 nm) ≤ rv; Australia standard UVB (315 nm ~ 350 nm) band, but the current standard does not have this band requirement.

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