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High Precision Solder Resist Ink Matt Black Color For Screen Printing

Categories Etch Resist Ink
Place of Origin: China
Brand Name: NUOJINSEN
Certification: ROHS,SGS
Model Number: 905
MOQ: 100kgs
Price: Negotiation
Packaging Details: 1kg,5kg,10kg,20kg
Delivery Time: 7-10days
Payment Terms: T/T,LC
Supply Ability: 100000kgs/month
Color: Matt black
Fineness: ≤8µm
Mix ratio: Base/Hardener=3:1
Solid content after mixing: 75±3%
Viscosity after mixing (25℃): 200±30 dPa﹒s
Density after mixing (25℃): 1.30 ~1.50 g/ml
Pot life after mixing: 24 hour
Environment standard: In compliance with RoHS directives
Halogen content: ≤600ppm
Pre-baking limit: 75℃ , 70 min
Exposure energy: 300 ~600 mJ/cm2
Shelf life: 6 months since the date of manufacture
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    • Product Details
    • Company Profile

    High Precision Solder Resist Ink Matt Black Color For Screen Printing

    Screen printing,high precision,lye-developing solder mask ink


    ItemsTechnical featuresNotes
    ColorBlue
    Fineness≤8µm0 ~25µm Fineness gauge
    Viscosity (25℃)160±20dPa﹒sVT-04F
    Density (25℃)1.10 ~1.30 g/ml
    Screen mesh100 ~120T
    Film thickness10 ~12µm
    Curing energy1200 ~2000 mJ/cm2The effective value through the polyester film
    Pencil hardness≥2HPencil hardness test
    Adhesion100/100Laceration experiment
    Etching resistanceFeCl3 or CuCl2 acidic solution45±5℃
    Moving coating3~5% NaOH solution ,20~40s25~35℃
    Package5.0 kg/bucket , 20 kg/box
    Shelf time6 months since the date of manufactureStore below 25℃ in dark

    Working procedure

    1. Mixing

    Mixing a small amount main agent with hardener and stirring thoroughly,then mixing the mixture above with the remanent main agent,add appropriate diluent and stirring 5-10 minutes. The viscosity of ink is adjusted to 120 PS if printed by hand. And it is adjusted to 180 PS if printed by machine.It is adjusted to 200 PS if it is aluminum tamponade .The viscosity of ink mixed above is measured at 25 degrees. Please use the special diluent of our company if the viscosity of ink needs to adjust.

    • Remain time

    10-15 minutes after stiring uniformly

    • Ordinary boards:43T;Chemical-plating Aurum or Tin boards:36T
    • Pre-baking

    1) Single side printing separately

    First side:72-76 degrees,15-18 min

    Second side:72-76 degrees,30-35 min

    • Double sides printing simultaneously:72-76 degrees,40-60min
    • Exposure

    300-500mJ/cm2,Black ink:600-750mJ/cm2,exposure step:10-12 steps

    • Developing:

    Developing solution:0.8-1.2wt% Na2CO3 or K2CO3 aqueous solution

    Developing solution temperature:28-32 degrees

    Spray pressure:1.5-2.5kg/cm2

    Developing time:40-90 seconds

    • Post cure

    Spray Tin board:150 degrees*(60-120min)

    Chemical-plating Aurum board:150 degrees*(50-60min)

    Thick copper plate,boards printed with black ink should be post-black in subsection:75 degrees*(60-120min)+100 degrees*30 min+150 degrees*(60-90min)

    • Safe time

    6 months since the date of manufacture,store below 25 degree in dark

    • Attention:

    1) Mixing the ink fully before using

    2) We will offer you special diluent or PMA if the ink need dilute

    3) The values above are based on experiments in our lab.Experiments need to be carried out in order to get proper using condition.

    Quality High Precision Solder Resist Ink Matt Black Color For Screen Printing for sale
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