Renold Syno PB Chain For higher loads and more heavy-duty applications, the Renold Syno range takes on the serious business of wear and fatigue resistance through the addition of a polymer sleeve between the pin and bush. Absolutely no lubrication Highly durable and wear resistant polymer bush – exclusive to Renold Polymer roller tested for impact resistance and load capabilities Can be operated without any lubrication Available in 28B – 40B and ANSI 120 to 200 Ideal for applications where it is not possible or not advisable to lubricate a chain, Renold Syno Polymer Bush chain can be considered for: Outdoor or wash down environments Car assembly plants or steel mills Environments where lubrication may contaminate products Forestry; saw mills or paper mills Textile plants Mixers Environments where lubrication may cause contaminants to stick to the chain and possibly get into bearing areas, seizing up the chain. With a corrosion resistant surface treatment adding to the variety of applications it can cope with, Renold Syno Polymer Bush chain is a truly versatile product.