Germicid cso ....P20

[HWSW Famulus]

Asszongya a Kontakt Chemie a Positiv-20 lakkra, hogy:

It is the wave length and not the wattage of the rays that determines the
exposure time. The most favourable spectral sensitivity of the photoresist
varnish POSITIV 20 lies between 370 and 440 nm. Glass plates used for
covering can absorb up to 65% of the UV rays. In such cases expose longer or
use crystal glass or Plexiglas.

Azaz 370-440 nm lehetoleg plexi vagy kvarc uveg lapon at
mert a sima uveg elnyeli a sok jo UV fenyt...
Meghogy nem a teljesitmeny szamit, hanem inkabb a hullamhossz.


Mercury Vapour Lamp Philips HPR125
3 perc 30 centirol 5 mm kvarcuveg alatt

Mig a tuzo napon cirka 5-10 perc....

Sajna ugy 90 euro egy ilyen lampicsku a boltban
Itthon mennyi lehet vajon?

KJ


It is the wave length and not the wattage of the rays that determines the
exposure time. The most favourable spectral sensitivity of the photoresist
varnish POSITIV 20 lies between 370 and 440 nm. Glass plates used for
covering can absorb up to 65% of the UV rays. In such cases expose longer or
use crystal glass or Plexiglas.