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ColorGuard Technical Data Sheet (TDS)

HSA-8000 Glossy Screen Printing Ink

1. Overview & Applications

The HSA-8000 Series is a high-gloss, vivid screen printing ink formulated for exceptional adhesion to rigid and semi-rigid plastic sheets. It boasts excellent printability and vibrant color rendition.

Applicable Substrates: ABS, Acrylic (PMMA), PC (Polycarbonate) sheets, PVC sheets, treated PET films, and paper.

Primary Applications: PC/PVC membrane switch overlays, self-adhesive labels, ABS/Acrylic nameplates, and automotive dashboards.

2. General Printing Specifications

Gloss Finish High Gloss
Ink Appearance Thick Paste
Coverage / Mileage Approx. 40 - 50 square meters per kilogram (Tested with 300 mesh screen and 75° sharp squeegee).
Air Drying (25°C) Touch Dry: 5-10 minutes. Hard Dry: 24-48 hours.
Forced Drying (Baking) 5 - 10 minutes at 90°C.
Environmental Compliance Complies with EU EN-71, RoHS, and Japan ST heavy metal standards.
Halogen Warning: The HSA-8000 ink series DOES NOT comply with Halogen-Free standards. It contains halogens and should not be used for electronic products requiring strict halogen-free compliance.

3. Physical & Chemical Performance Tests

Testing Conditions: Printed on PVC Sheet using 102 White and 502 Blue through a 300-mesh screen with a 75° squeegee. Cured at room temperature for 7 days.

Adhesion (Cross-Hatch) 3M Tape Peel Test (1mm spacing): 100% Retention
Pencil Hardness 45° angle, 200g load: ≥ 1H
Alcohol Resistance Cotton swab with alcohol, 500g load, 10 rubs: No abnormalities
Water Resistance Submersed in tap water for 24 hours (room temp): No abnormalities
Detergent Resistance Soaked in 3% neutral dish detergent for 8 hours: No abnormalities
Grease / Oil Resistance Soaked in salad oil for 8 hours (room temp): No abnormalities

4. Color Series & Technical Distinctions

The HSA-8000 series offers a vast array of colors tailored for specific printing needs:

  • Standard Series: Includes Yellows, Reds, Blues, Greens, Black, and Clear Varnish. (Standard weatherability; primarily for indoor use).
  • High-Opacity Series (G-Series): Formulated with maximum hiding power. Allows for vibrant color rendition when printed directly on dark substrates (e.g., black) without requiring a white underbase.
  • Fluorescent Series (D-Series): Extremely bright, vivid colors. (Strictly for indoor use due to low lightfastness).
  • Metallic Series (A-Series): Silver and Gold variations. These metallic colors possess excellent weather resistance and are suitable for long-term outdoor exposure.

White Ink Distinction: 101 vs. 102

101 Tinting White A pure white hue with a high-gloss finish. Ideal for custom color matching or direct printing on light substrates.
102 Extra White Features a slight blue undertone. It dries to a semi-gloss finish and provides significantly higher opacity than 101, making it perfect for printing dense white backgrounds.

5. Processing Guidelines & Substrate Warnings

  • Thinner Selection: 817 (Fast-Dry), 818 (Medium-Dry), 783 (Slow-Dry). Add 15% - 25% by weight and mix thoroughly before printing.
  • Screen Mesh: Use solvent-resistant screens of ≤ 420 mesh/inch.
  • Storage & Shelf Life: Store tightly sealed in a cool, dry place away from heat and open flames. Shelf life is 2 years.
Critical Material Restrictions:
1. Do NOT print on Injection-Molded PC or PS: The solvent system in HSA-8000 will attack molded Polycarbonate and Polystyrene, leading to severe Environmental Stress Cracking (ESC) or crazing.
2. Do NOT print on Soft PVC or Leather: Substrates containing high amounts of plasticizers will react with the ink, causing severe blocking and tackiness (the ink layer will remain sticky and adhere to adjacent surfaces).

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