Suitable for manual developing of X-ray films.
 
Dilution and instruction for developer:
 a). Mix 17 liters clean water under temperature of 50ºC with the developer powder A and make them dissolved. Next, pour the developer powder B while churning to make them dissolved fully. Then pour clean water up to a total volume of 20 liters.
b). The mixed solution can be used after 24 hours.
c). The developing time is 3-5 minutes when the mixed solution is at a temperature of 18-24ºC.