Advance Tech Service [P] Ltd. Offers Silicon Rubber made Solder Tip Cleaner Metal. Advance Tech Service [P] Ltd. Received EFY Award in Soldering Desoldering category. Silicon Rubber made Solder Tip Cleaner Metal bears the model number ST-40. This tip cleaner cleans the tip without water and hence less heat loss during work. Made from silicon rubber, this Solder Tip Cleaner Metal avoids any scratch on tip while inserting and removing iron.