95
Fenolli .............................. FL
Perxlorvinilli .................... XV
Poliakrilli ......................... AK
Nitroseilulozali ................. NC
Kanifolli ........................... KF
SHellakli .......................... SHL
Eritilgan moyli ................. MA
Polivinilasetatli................. VL
Poliakril smolalarining
sopolimerlari .................... AC
Melaminli ......................... ML
Mochevinali ..................... MV
Epoksidli ........................... EP
Alkid-stirolli ..................... AC
Kremniy organik .............. KO
YAntarli ........................... YAN
2-guruh belgisidan so‘ng chiziqdan keyin keladigan 3-guruh
belgisi
qoplamani ishlatilish sharoitini belgilaydi.
Vazifasiga ko‘ra lak-bo‘yoq materiallarining ishlatilishi:
Gruntovka va laklar............................................................ 0
SHpaklyovkalar...................................................................00
Atmosfera ta’siriga chidamli.............................................. 1
Atmosfera ta’siriga chidamliligi chegaralangan
(yopiq joyda, xonada foydalanish tavsiya etiladi).............. 2
Konservatsion...................................................................... 3
Suv ta’siriga chidamli....................................... ................ ..4
Teri, rezina materiallarni tashqi tomondan qoplash uchun...5
Moy va benzin ta’siriga chidamli....................................... 6
Kimyoviy ta’sirga chidamli.................................................. 7
Issiqlik ta’siriga chidamli(60
o
C dan 200
o
C gacha).......... 8
96
Elektroizolyasion................................................................ 9
4-belgidagi 1, 2 yoki 3 ta raqam bilan ifodalanadigan belgi ushbu lak-bo‘yoq
materialiga berilgan tartib raqamini ko‘rsatadi va 3-belgi bilan 4-belgi
orasida
chiziqcha bo‘ladi yoki uzilish bo‘lmaydi.
5-guruh belgisida bo‘yoqning rangi ko‘rsatilgan bo‘ladi.
Masalan, gliftal smola asosidagi gruntovka GF-020,
nitrolak asosidagi
shpatlyovka — NC-008. Atmosfera ta’siriga chidamli jigarrang moyli bo‘yoq
MA-11 ko‘rinishida belgilanadi.
