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High-Quality Silver Ink for Textile Printing - China Suppliers & Factory Screen Printing Water-Based Silver Paste
Composition
Silver paste in screen printing is a special conductive paste that is mainly used in the electronics industry, especially in the manufacture of solar cells and electronic circuits.
Silver Powder
The main component providing electrical conductivity. Particle size and shape affect conductivity and printability.
Organic Carrier
Includes resin and solvent to adjust viscosity and rheological properties for optimal screen printing.
Additives
Dispersants and stabilizers used to improve printing performance and storage stability.
Characteristics
Electrical Conductivity
Silver has excellent electrical conductivity, and the silver paste can form a good conductive path after curing.
Printing Performance
Viscosity and fluidity are optimized to ensure uniform patterns through the mesh during printing.
Curing Properties
Cured at specific temperatures to ensure maximum electrical conductivity and substrate adhesion.
Product Application
Solar Cells
Used to print front and back electrodes to form ohmic contact, reducing current collection losses.
Electronic Circuits
In PCB manufacturing, silver paste prints conductive lines, effectively replacing traditional etching processes.
Other Components
Applicable for sensors, displays, and various electronic components requiring precise conductive patterns.
Product Details
Key Points
✔
Screen Selection: Mesh size must match silver powder particle size for smooth passage through the mesh.
✔
Printing Parameters: Scraper pressure and printing speed must be adjusted based on paste viscosity.
✔
Curing Conditions: Appropriate temperature settings are vital for ensuring conductivity and adhesion.
Advantages
Silver paste is widely used in screen printing, especially in electronic manufacturing, due to:
- ★ High electrical conductivity: Superior to other metals in reducing resistance.
- ★ Good adhesion: Forms strong bonds with various substrates after curing.
- ★ Customizable: Formula can be tailored to specific application requirements.
Frequently Asked Questions
Q1: What are the primary uses of screen printing silver paste?
It is mainly used in the electronics industry for manufacturing solar cells, printed circuit boards (PCBs), sensors, and displays.
Q2: Why is silver the preferred material for conductive paste?
Silver offers the highest electrical conductivity among metals, which effectively reduces resistance and improves current collection.
Q3: How does particle size affect the silver paste?
The particle size and shape of silver powder directly impact the paste's electrical conductivity and how easily it passes through the printing mesh.
Q4: What is the role of the organic carrier in silver paste?
The organic carrier (resins and solvents) adjusts the viscosity and rheology, ensuring the paste flows correctly during the screen printing process.
Q5: Why is curing necessary after printing?
Curing at specific temperatures solidifies the paste, establishing the final conductive path and ensuring strong adhesion to the substrate.
Q6: Can silver paste be used on flexible substrates?
Yes, the formula is customizable and can be adjusted to meet the flexibility and adhesion needs of different application substrates.
Industry specific attributes
Material |
100% Polyester |
Weave Type |
Plain |
Elasticity |
low |
Printing |
Polyester Screen Printing |
Monofilament Style |
Yes |
Product Name |
Polyester Silk Screen Printing Mesh |
Color |
White Yellow |
Length |
50m/roll |
Application |
Screen Printing Industry |
Thickness |
46-693um Printing Mesh |
Roll width |
60-368cm |
Feature |
Heat Resistance |
Aperture |
31-1300micron |
Packaging Details
Food Grade 100 Micron Polyamide Nylon Filter Mesh For Soya Milk :
1.30-100m/roll in PVC bag
2.2-8 rolls per carton
3.waterproof bags outside
4.package belt strengthen
