Magalasi a maso
Kufotokozera Kwachidule:
STM-GOGAF
1. Kugwiritsa ntchito mu labotale/chipatala
2. Yopangidwa ndi PVC yoteteza ku kukwawa, yosagwedezeka, yotetezedwa ku kukwawa, yowonekera bwino, yowala kwambiri komanso yowala kwambiri
3. Magalasi oletsa chifunga
4. Kuteteza ku: kugundana, kupopera madzi ndi fumbi
5. Kutsatira EN 166 kapena yofanana nayo
6. Mafelemu osinthika
7. Chitetezo cha mbali ndi chapamwamba chophatikizidwa
Chithunzi 1: Zowonetsera zokhala ndi magalasi owoneka bwino
Lenzi ya PC yowonekera bwino yophimba maso onse awiri. Furemu yakuda ya PA yokhala ndi
mbali zakuda za PA, zosinthika kutalika.
Zomangira zachitsulo zolumikizira lenzi ndi mbali, zopanda zomangira
kukhudzana ndi khungu.
Kukhuthala kwapakati kwa zosefera: 2.4 ± 0.05 mm
Kukhuthala kwa mphuno: 2.3 ± 0.05 mm
makulidwe ozungulira: 2.3 ± 0.05 mm
Mphamvu ya Vertex / dpt:
Pamwamba pa kutsogolo: mopingasa +4.2 – woyima +4.2
Kumbuyo: mopingasa - 4.3 - wowongoka - 4.4
