China Factory Suppliers for Custom Screen Printing Squeegees and Scrapers - Essential Tools for Screen Printing
- Solvent resistance: able to resist the erosion of various chemical solvents.
- Wear resistance: Long service life, suitable for high-precision printing.
- Hardness range: The hardness is usually between 55-90 Shore A, divided into three types: soft, medium, and hard.
- Elasticity: Good resilience ensures even distribution of ink during the printing process.
- Hardness: Scrapers with high hardness are suitable for high tension wire mesh, while scrapers with low hardness are suitable for low tension wire mesh.
- Ink performance: Select the length, thickness, and hardness of the scraper based on the viscosity, fineness, and hardness of the ink.
- The performance of the substrate: Hard or uneven substrates are suitable for using softer scrapers.
- Printing requirements: When a large amount of ink needs to be transferred to the substrate, a softer scraper should be used.
- Printing pressure: When the pressure is high, it is not suitable to use a scraper that is too soft.
Blade
Effective height
Size
- Usage tip: The angle, pressure, and speed of the scraper can all affect the printing effect.
- Maintenance: Regularly check the sharpness and straightness of the blade, and if necessary, polish or replace it.
What are the main functions of a screen printing scraper?
The primary functions of a screen printing scraper (squeegee) include transferring ink onto the substrate through the screen, scraping off excess ink, maintaining consistent contact between the screen and the substrate, and adapting to different substrate shapes.
What material is commonly used for screen printing scrapers?
They are typically made of polyurethane rubber. This material offers excellent solvent resistance to chemical erosion, high wear resistance for long service life, good elasticity for even ink distribution, and is available in a hardness range of 55-90 Shore A.
How do I choose the correct scraper hardness?
Scrapers with high hardness are suitable for high tension wire mesh, while scrapers with low hardness are suitable for low tension wire mesh. Additionally, harder or uneven substrates are best paired with softer scrapers.
What sizes do screen printing scrapers come in?
Common scraper lengths include 1000mm, 2000mm, and 3000mm. The effective height—the part extending from the handle—should generally be at least 2cm, and the width and thickness can be custom-selected based on your printing requirements.
How does printing pressure affect the choice of scraper?
When applying high printing pressure, it is not suitable to use a scraper that is too soft, as it may flex excessively and degrade print quality. Hardness and thickness must match both the pressure and ink viscosity.
How should a screen printing scraper be maintained?
You should regularly check the sharpness and straightness of the blade. To maintain premium print results and extend its lifespan, polish or replace the blade whenever wear is detected.
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
