APPLICATION AND ADVANTAGE ANALYSIS OF UV PRINTING ON SILICA GEL MATERIAL

Application and advantage analysis of UV printing on silica gel material

Application and advantage analysis of UV printing on silica gel material

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Application and advantage analysis of UV printing on silicone

Technological breakthrough of silica gel UV printing

Because of its excellent flexibility, temperature resistance and chemical stability, silica gel material has long been faced with technical problems such as poor printing adhesion and easy falling off of patterns. The emergence of UV printing technology has completely changed this situation, and high-quality printing of silicone materials has been achieved through the following technological breakthroughs:


  1. Special pretreatment process: corona treatment, flame treatment or special primer technology is used to increase the surface tension of silica gel from 24dyn/cm to more than 38dyn/cm, which significantly improves the adhesion of UV ink.

  2. Modified UV ink system: The development of UV ink containing silane coupling agent, the molecular structure of the siloxane bond energy and silica gel matrix to form chemical bonding, adhesion up to 5B class (ASTM D3359 standard).

  3. Precise curing control: The use of 395nm wavelength LED UV light source, with nitrogen protection curing system, to ensure deep curing while avoiding surface over-curing, curing energy control in 800-1200mJ/cm².


Core application area

  1. Medical Devices (35% market share)


Surgical instrument identification: Meet the requirements of ISO 13485 medical certification

Silicone catheter scale printing: accuracy up to ±0.1mm

Medical mask LOGO: Passed more than 100 alcohol wipe tests

  1. Consumer Electronics (28% market share)


Smart watch silicone strap: 150° bending test

Headphones silicone cover: Wear resistance test up to 5000 times RCA

Waterproof button: Pass IP68 waterproof test

  1. Industrial products (22% market share)


Seal number printing: temperature range -40℃ to 200℃

Vibration pad identification: Passed MIL-STD-810G vibration test

Pipe lining: chemical solvent resistance test

  1. Daily necessities (15% market share)


Baking mold: FDA food contact certified

Baby pacifier: meets EN14350 safety standard

Sports kettle: Passed 50 dishwasher tests

Six technological advantages

  1. Strong adhesion


Grid test up to 4-5B

Peel strength > 3N/cm at 90°

Optimal adhesion is achieved after 24 hours of curing at room temperature

  1. Excellent flexibility


It can withstand 300% tensile deformation

There is no crack in the pattern after rebound

Bending life test > 100,000 times

  1. Precise color control


Minimum dot diameter 0.02mm

The color gamut reaches 90% of Pantone

Color difference control ΔE < 1.5

  1. Efficient production performance


Printing speed up to 30 m/min

Instant cure without waiting

The defective rate should be controlled below 0.5%

  1. Environmental safety features


VOC emission < 50μg/m³

Through RoHS/REACH certification

No solvent volatilization problem

  1. Special effect realization


Can produce 0.3mm raised texture

Free switch between matte/highlight

The precision of local embossing effect is 0.1mm

Process key parameter

  1. Printing parameters


Mesh size: 250-350 mesh

Scraper Angle: 60-75°

Printing pressure: 0.2-0.4MPa

  1. Curing parameters


Uv intensity: 80-120mW/cm²

Curing distance: 10-15cm

Curing time: 3-5 seconds

  1. Environmental control


Workshop temperature: 23±2℃

Relative humidity: 50±5%

Cleanliness: 10000 level

Industry development trend

  1. Nanotechnology application: Develop UV ink containing nano silica, improve wear resistance by 300%

  2. Intelligent system: Integrated AI visual inspection to achieve 100% online quality inspection

  3. Green manufacturing: bio-based UV ink research and development, renewable raw materials accounted for 40%

  4. Multi-functional integration: Combining RFID printing technology to achieve product traceability


Typical application case

Silicone breathing mask printing project of an international medical device company:

8 color UV printing system

Achieve a gradient dot with 0.05mm accuracy

EO sterilization test (50 cycles)

Annual production capacity increased to 2 million pieces

The defect rate fell from 3% to 0.3%

With the continuous progress of material science and printing technology, the application of uv printing on silicones is breaking through traditional limitations, showing irreplaceable value in high-end fields such as medical, electronics, and industry. In the next five years, the technology is expected to form a global market size of more than 5 billion US dollars, becoming an important growth point in the field of special printing.

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