Shipping terms for this product

Shipping in 5-30 days

Select quantity:   0123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100

This formula uses Ammonium FerricOxalate to give a good blue which does not wash out and is twice as sensitive to UV as thetraditional version. Developmen is in water. A citric aci solution can be used to manipulate contrast. All images are made by the contact system, where the image depends on a negative of the appropriate size or the placement of an object on the sensitised material.