 |
Description
of Negative Plate |
Plate
type |
Conventional Negative. |
Substrate
|
Electromechanically grained and anodized
lithographic aluminium. |
Alloy |
Standard 1050 alloy |
Gauge
available |
0.15 mm, 0.25 mm, 0,30 mm |
Maximum
width |
1,200 mm |
Spectral
sensitivity |
430 nm |
Recommended
Ugra |
Solid 2-3 |
Resolution
as per Ugra/ Fogra recommendation |
10 Microns 1-99%(170lpi) |
Color
change |
Blue Green to Pale Green |
Light
source and Exposure |
Automatic plate maker is recommended.
Light source: Metal halide lamp.
Exposure Condition - Step tablet: 2-3 step solid, Power
of light: 3kw,
Time: 30 seconds, 1 Meter distance between plate and
lamp. |
Process
|
Conventional |
Developer
|
DTOP negative developer is recommended.
Original liquid without dilution.
DTOP gum solution is recommended. |
Recommended
Developer temperature |
25 ¡¾ 2 ¡É |
Recommended
developing time |
25 ¡¾ 5 sec. |
Replenishment
rate |
10 square meters/liter |
Safe
light |
Yellow or UV filtered |
Shelf
life |
12 months when stored in a dark, cool
and dry space. |
Recommended
processing |
DTOP automatic plate processor is
recommended. |
Length
of run |
Over 300,000 copies of impression.
Depending upon printing conditions like press, ink,
paper and so on. |
Plate
cleaner compatibility |
DTOP cleaner is recommended. |