Terms & Conditions

  • Once your proposal submission is received, you will be sent an email to confirm receipt. If you do not receive a confirmation email within 7 days, please contact us to ensure your proposal has been successfully submitted. HKOP and IMPACT 11 team will not be liable for any non-arrival of proposal submission information.
  • If your proposal is selected, at least one representative from your group or organisation should be present at IMPACT 11 for the set up and presentation. If special arrangements or equipment is required, requests must be made clearly in the proposal submission for our consideration.
  • Registration fees should be settled via online payment. Cash and cheques will not be accepted. Registration will only be considered complete once the registration form and payment have been received. Payments not received in full prior to the event may result in entry being denied. No cancellation is accepted. Registration fees for IMPACT 11 are not refundable. If a participant is unable to attend and would like to transfer the registration to another person, approval will be determined by the HKOP & IMPACT 11 team on a case-by-case basis.
  • No responsibility is assumed by HKOP, the organiser or the speakers/authors for any injury and/or damage to persons or property as a matter of product, negligence or otherwise, or from any expectation regarding the event, use or operation of any methods, products, artworks, instructions or ideas presented at the event or contained in the notes.
  • By entering the event premises, you consent to being photographed or filmed by the HKOP and IMPACT 11 teams, and to the organiser’s use and publication of audio recording, video recording in any and all media for promotional and educational purposes. No recording or photography on the premises of the conference is allowed during the conference without prior written consent of the organiser.
  • In case of a person (delegate, exhibitor, visitor) infringing the overall interest/aim of the conference or infringing the interest of other delegates, companies or parties involved in the conference, the organiser is entitled to exclude the infringing person/company from the event after an oral or written warning by the HKOP directors show no adequate result. All respective costs in context of the infringement or exclusion are on the infringing person’s/company’s own responsibility. No liability in any way or any reason is taken by the organiser in this case.
  • Applicants are responsible for their own travel arrangements, including but not limited to flight and local transportation, accommodation, adequate insurance cover, as well as related visa procedures. Visa requirements for entry to Hong Kong vary according to the visitor’s country of origin.
  • While every effort will be made to adhere to the published programme, it may be necessary for reasons beyond the control of the organisers to alter the content, speakers, and/or timing of the programme without prior notice. Please check the website for the latest version of the programme.
  • Personal information collected will be held on a database and used for communication purposes. In some cases, related to the funding support to the conference, your details may be made available to the funding bodies or its related department for record.
  • In addition to the provisions mentioned above, these terms and conditions are subject to the laws of the Hong Kong Special Administrative Region.
Acceptance of all of the above terms and conditions is required in order to register for and participate in IMPACT 11.

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Proposal Abstract

Traditional lithography is based on the principle that during printing, water will be repelled by the oily parts. The printing process is not only complicated and labour-intensive, but also very hard to master. Therefore, Canadian printmaker Professor Nik Semenoff invented Waterless Lithography in the 1990s. The chemical reaction of transparent silicone and aluminium plate forms a tough, thin coat on the plate surface. During the printing process, ink adheres to image areas while non-image areas repel the ink. The printing process does not involve wiping water on the plate, and the drawing materials are water-based.



  1. Preparing the aluminium plate:
    • Sand the whole plate surface with #800 or #1000 wet sandpaper.
    • Use detergent to degrease the plate.
  2. Drawing on the aluminium plate:
    • Use water-soluble drawing materials, or carbon toner solution to draw on the plate.
  3. Fixing the drawing materials on the plate:
    • Use a heat gun to fix the drawing materials on the plate. It will turn the toner solution matt.
  4. Platemaking:
    • Dilute transparent silicone with odourless thinner until it is runny.
    • Use a piece of sponge to coat the silicone solution onto the plate—it has to be very thin and even.
    • Use another piece of sponge to further smooth out the coating.
  5. Inking the plate:
    • Use pure acetone to remove the drawing materials from the plate.
    • Inking has to be thin and even. The ink only sticks to the image areas that are not covered in silicone coating while all other areas that are coated with silicone repels ink.
  6. Printing:
    • Place the plate, printmaking paper, newsprint, thick mat board, and the press blanket on the press bed.
    • Image on the plate is transferred to the printmaking paper by the printing press.



Etching press, blanket, heat-gun (1200-1500W), 10cm rollers, silicone, odourless thinner, acetone, water-based drawing materials, toner liquid, rubber-based printing ink, etching paper, newsprint, print paper etc.


Waterless Lithography—An innovative, safe and simple techniques of planographic printing process

Siu Jane Liu
Printmaker, Artist
Art Horizon Printmaking Workshop