تماشو فريم رهياسين Tester جي پيداوار جا تفصيل

معيار 

EN1836، ISO12870، گلگت بلتستان / T14214-2003، وغيره.

لڳائڻ نوٽ

1. ٽيسٽ ماحول: گرمي پد 23 ± 2 ° س، مناسب گهم 60 ± 2٪.

2. هڪ نسبتا لوڻ امتحان جي پليٽ فارم تي سنڌ جي آلي.

3. بجلي ڪنيڪشن: AC220V، 50Hz، 5A.

How long should a pair of glasses frames last?
Image result for eyeglass frame durability tester
between one to three years
Most frames are good for between one to three years, though they can last for up to 10 years with proper care. Here are some tips to help your eyewear last longer: Clean your glasses every day.