offset printing ps plate

PS plate

Plate type

Conventional positive

Substrate

Electro-chemically grained and anodized lithographic aluminum

Gauge

0.14-0.30(mm); including all kinds of specification.

Alloy

Standard 1050 alloy

Spectral sensitivity

50-420mm

Safelights

The UV metal halide lamp is recommended

Sensitivity

140mj/cm2

Exposition

Light source: 

70-90s with 3000W iodine gallium lamp 

(1 meter away from the light); 

35-50s with 5000W iodine gallium lamp

 (1 meter away from the light)

Final image color 

Blue-Green

Developer 

Development Time:30-45s(Manual)

25-30s(Processor)

Plate data

Ra:0.55-0.75um

Coatingweight :2.0-2.4g/m2(0.30mm),1.9-2.2g/m2(0.15mm) 

oxidation weight: 2.8-3.2g/m2 (0.30mm),2.0-2.4g/m2(0.15mm)

Resolution

<= 10um

Dot reproduction

2%-98% in 175 lines/inch

Final image color

Blue-Green

Packaging

0.15mm 100 pieces/box 0.25/0.30mm 50 pieces/box 

if length <1030mm;

 30 pieces/box if length>=1030mm;

25 pieces/box if the area of each plate>1m2

Shelf life

12 months when stored in a light-free area away from excessive

 cold heat and high humidity

Run length

0.15mm above 80,000 0.30mm 

above 150,000(Actual run length may vary 

according to press, ink and stock conditions.)