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Boundary Lubricating Bearing SF-2 polymer bushing POM based sliding bearing also called DX bushing, boundary lubrication bearing, SF-2 oilless bearing, dry bearing, DX bearing and POM lined plain dry bush. It has similar material structure with DU bushing. The difference is the layer with POM coated. Material Structure These materiais consist of metal backing bonded to a porous bronze sintered layer with POM based polymer bearing layer. The metal backing provides mechanical strength, while the bronze sinter layer provides a strong mechanical bonding between the backing and the bearing lining, the PTFE based polymer offers exceptional low friction even under dry condition. 1. POM with lead 0.3~0.5mm. 2. Porous bronze 0.2~0.3mm. 3. Steel backing 0.4~2.2mm. 4. Copper plating 0.008mm. PAP P20 Boundary Lubricating Bushing Steel Bronze POM Multilayer Sleeve Flange Bushing SF-2 DX Bearing FAQ Q1. What is your terms of packing? A: Generally, we pack our goods in neutral cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters. Q2. What is your terms of payment? A: T/T 50% as deposit, and 50% before delivery or against copy of shipping B/L. For long term business relations, we have more advantage terms for payment. Q3. What is your terms of delivery? A: EXW, FOB, CFR, CIF. Q4. How about your delivery time? A: Generally, it will take 25 to 35 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. and if the item was non standard, we have to consider extra 10-15days for tooling/mould made. Q5. Can you produce according to the samples or drawings? A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures. Q6: How about tooling Charge? A: Tooling charge only charge once when first order, all future orders would not charge again even tooling repair or under maintance. Q7. What is your sample policy? A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost. Q8. Do you test all your goods before delivery? A: Yes, we have 100% test before delivery Q9: How do you make our business long-term and good relationship? A: 1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.Boundary Lubricating Bearing website:http://www.ramshin.com/self-lubricating-bearing/boundary-lubricating-bearing/