Description
Product Description
Used oil, also called lubrication oil, is a variety of machinery, vehicles, ships to replace the lubricating oil, in the process of use by external pollution to produce a large number of gum, oxide and thus lose efficacy. The main reasons: First, the oil in use is mixed with moisture, dust, other miscellaneous oil and metal powder produced by mechanical wear, resulting in black color and greater viscosity. Second, the oil deteriorates over time, forming organic acids, colloid and asphalt-like substances.
· Pretreatment: sedimentation, filtration, chemical treatment;
· Desolvation: vacuum distillation removes moisture and low boiling matter from raw materials.
· Separation of fuel oil: separation of fuel oil from raw materials;
· Molecular distillation: separate base oils of different fractions;
· Refining: solvent refining.Company Profile
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can't meet agreed delivery time.)