Peter Hicks Ltd
 +44 (0)1380 816340

Registered with the Birmingham and Sheffield Assay Offices
Est 1970

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Peter Hicks Ltd > More Info > Care for Products

Hydrosonic Cleaning

Hydrosonic Cleaning

Peter Hicks Ltd is now able to offer, on site, the ultrasound (non abrasive) cleaning of metal items, in particular silver. Ultrasound cleaning is used widely throughout the industry for removing problem contamination from all forms of hard surfaces, such as metals, plastics and ceramics. Its unique properties can be harnessed to clean items of all shapes, sizes and technical complexity, penetrating holes and cavities that are impossible to reach using ordinary cleaning methods.

The principle of the process is as follows. Piezo electric transducers are attached to the cleaning tank. They generate ultrasound waves that vibrate the cleaning fluid at very high velocity, creating a process called 'cavitation'. Millions of tiny bubbles implode within the solution and penetrate into every orifice of the item being cleaned, removing dirt and grime within seconds.
We do not recommend machine buffing as this removes the layers of silver and therefore and detail from the item which is irreplaceable.

General Care

The maintenance and preservation of today's most common metals relies on a few basic rules of thumb. First and foremost, it is important to keep metal dry to prevent tarnishing. When oxygen and moisture combine and come in contact with metal, a chemical reaction called oxidation occurs. The end result is tarnish, a damaging coating that may dull or destroy the metal's surface. In addition to holding moisture at bay, Goddard's offers some general guidelines for the care and cleaning of all metals:

  • Don't mix stainless and sterling in the dishwasher. If they touch, it creates a chemical reaction that can leave black spots on the silver.
  • Don't use abrasive cleaners that can scratch and dull metal surfaces.
  • Unless specified for a particularly durable type of metal, avoid using steel wool or scouring pads to clean.
  • Rub metal with straight, back-and-forth motions, rather than in circles. This helps maintain a uniform appearance.
  • Apply metal cleaner with a clean, soft, lint-free cloth. Turn the cloth frequently to avoid reusing the soiled portion.
  • Prevent undiluted liquid dishwashing detergents from coming into direct contact with metal, as it can damage the finish.
  • For ornate objects, apply metal cleaner generously. Rinse the cleaner with a wet sponge.

  • Silver and Silver Plate Care

    Silver is the most lustrous of all the metals and it tarnishes readily. Black silver sulfide forms when the metal has even the slightest exposure to any sulfur compounds found in the air or water or sulfur dyes often found in cloth or paper. Silver plate is produced by applying a coating of silver over copper or another metal, a process known as "electroplating." The care of silver plate is the same as for solid silver.


    Candlestick holders * Flatware * Tableware * Serving dishes * Jewelry * Tea sets

    Care Considerations

    Constant wear actually enhances the beauty of a solid silver piece by giving it a deep, mellow patina. If silver is used frequently, it shouldn't need polishing more than twice a year. Silver and silver plated items are prone to tarnish, scratches, dings, staining and pitting.

    Cleaning and Preservation Tips

    Keep rubber bands, newspaper ink and plastic food wrap away from silverware. They can stain or corrode even those items covered with layers of tissue or cloth. Silver pieces displayed in cabinets will tarnish less quickly if an open container of tarnish-retarding compound is stored with them.

    Since the outer layer of a silver-plated item is soft and thin, don't rub harshly when cleaning. Wash and/or rinse all silver plate promptly after use to prevent tarnish, staining or pitting caused by food soils. Don't wash silver or silver plate in the dishwasher. Wash by hand in sudsy water, rinse in clear hot water and dry thoroughly. To prevent water spotting, dry items with a lint-free towel, cotton cloth or cotton sock.

    To clean tarnish from silverware, including the inside edges of fork tines, try Goddard's Silver Dip.

    Also try Goddard's Long Shine Silver Polish, Goddard's Silver Foam, Goddard's Silver Polishing Cloths and Mitts, Mr. Metal All-Metal Polish or Mr. Metal Wipes.

    Peter Hicks Ltd > More Info > Care for Products

    Peter Hicks Ltd, The Studio, Russell Mill Lane, Littleton Panell, DEVIZES, Wiltshire SN10 4ET

    Phone: +44 (0)1380 816340 | Fax: +44 (0) 1380 816341

    UK VAT Registration: 869 9005 76

    Makers of unique Trophies and Presentation Pieces in sterling silver, bronze, hallmarked silver plate, bronze resin and painted options

    'Marking Special Moments'