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Importance of  our Quality Control on Recycle Base Oil SN500,  SN150, SN350 and export them. First of all, you are receiving this guideline from us because we believe you are one of our key customer. And we wish to do business with you on long-term basis with no quality issue and no misunderstanding on what our market prefers. And we have a lot of experience in export of high quality recycle base oil SN 500 SN 350 SN150 shipment previously, so we wish to avoid any issues with your quality with customer. This is the reason why you are receiving this guide from us.

You should know this guideline how we control quality and shipment

Our company ATDM CO LTD have been in base oil trading business since 2006 and we export about 100 to 150 containers of base oil in flexi bag, reconditioned drums to global market monthly. 80% of our products are recycled base oil and 20% are virgin products. And 70% of our shipments are in reconditioned drums. We are among top 5 exporter of base oil in the Middle east.


Normally poor countries that they cannot afford to buy virgin base oil in high quantity and price buying recycled grade. They prefers to buy recycled base oil but within controlled specifications. And buyers prefer to buy in reconditioned drums as it is easier to transport to other parts of countries and not ready to invest in tank storage facilities. And reconditioned drum packaging is easy to do retail trading.


It is important that everything must be in agreement from the beginning. If any point is not agreed, it should be discussed before PI/contract is signed mutually. After PI/contract is signed, it should be final. It is hard to argue if some points were not discussed in advance but changed later on. So, for every purchase/contract, we require signed proforma invoice, signed contract with you (customer), specification sheet with full details of COA (certificate of analysis), sample photo of the oil (showing color and clarity) and video of oil pouring from one cup to another cup to verify the good quality and sample pictures of reconditioned drums that will be used for this shipment. List is as follow: a) signed PI/contract b) signed specification sheet or COA c) photo of oil / video of oil pouring from one cup to another cup d) photo of reconditioned drums that will be supplied for this contract

Oil Quality

On oil quality, three (3) main important points are – color, appearance or clarity and viscosity. Color Markets likes light color. Customer do not like dark color oil such as 3.0 or higher. Usually, customers buys 1.5 max for SN 150, 2.0 max for SN 300 and 2.5 max for SN 500. You shmayould understand that recycled base oil maybe produced with acid treatment in refining process. So color may change from point of loading to point of destination. But color changes must not be more than +0.5 than agreed specs. If color is very dark or much higher than agreed spec, it cannot get good selling price locally so claim may happen if color is dark or much higher than agreed spec. Appearance or clarity Recycled base oil appearance is very important. It should not be cloudy, murky or mixed with water or other chemicals. Sometimes, if supplier is not careful about using the good quality reconditioned drum or if reconditioned drum is not washed properly inside or if chemical or additive drum is used, the oil will become murky or cloudy. This is very serious issue and buyer can reject the cargo and make 100% claim on cargo value. Viscosity Countries with hot climate, buyer prefers thicker viscosity oil like SN 500. But if buyer is buying SN 150, he should get SN 150 spec and not other spec. Likewise, if buyer is buying SN 500 spec, he should be given SN 500 oil only. Sometimes, some other traders or suppliers do not care about viscosity range and they ship whatever comes into their tank. This is wrong. It must be strictly as per agreed specs based on contract and business confirmation. It is important to meet both 40°C and 100°C viscosity according to API standard.

API standard specifications

Buyers are already familiar with API guidelines on base oil specifications so following table is mentioned based on API guideline. And we will purchase based on these same specs.
Specifications SN 150 RC SN 300 RC SN 500 RC
Appearance ** Bright & Clear Bright & Clear Bright & Clear
Clarity / No-contamination ** No water mixture, no chemical mixture, not-murky or cloudy color No water mixture, no chemical mixture, not-murky or cloudy color No water mixture, no chemical mixture, not-murky or cloudy color
Color ** 1.0 to 1.5 Max 1.5 to 2.0 Max 2.0 to 2.5 Max
Viscosity @ 40°C ** 28 to 32 45 to 65 90 to 105
Viscosity @ 100°C ** 4.4 to 5.6 6.5 to 8.0 9.5 to 11.5
Flash Point 210 210 210
Viscosity Index 90 to 120 90 to 120 90 to 120
Pour Point -3 to -6 -3 to -6 -3 to -6
Density As per actual As per actual As per actual
** These specifications are very important to match and stay within this range.

Load port survey report

To avoid having quality dispute upon arrival, it is important to draw sample from actual cargo at load port or supplier’s warehouse and show load port survey report to us for acceptance and approval before shipment takes place. Only with our approval and acceptance, you should make the shipment. Sometimes, unreliable shipper will show good sample in video, photo and later on make bad quality shipment to cheat. So, to prevent this from happening, you should engage a load port surveyor from a reliable lab & analysis company. This surveyor cost is small compared to potential claims and loss due to bad quality, so you should invest in this cost for every shipment. Load port survey result must be checked against the agreed spec based on contract or business confirmation. We will provide this “Load Port Survey Report” for every shipment.

Photo / Video proof of actual shipment

It is necessary to show video and photo update of products when products are ready for shipment, container stuffing before doors are closed and more importantly oil being pulled out from the drums or flexibag from actual cargo from actual container. Examples as follow: Drums lying in the supplier warehouse Oil pulled out from actual cargo from actual contract Oil bottle on top of the drums Do take note, it must be actual photo, video of the oil produced for this contract and not other forwarded sample or forwarded photos from other contracts / shipments.


Good quality reconditioned drum is as important as good quality oil (10% versus 90%) Similar to milk put into a dirty bottle spoils the whole bottle of milk, if drum used are unclean, unwashed, have dirty or left-over chemical inside, it can spoil the whole drum. Cost of recon drum is usually 10% of the whole CFR cost, so it is important to remember that 10% of cost can spoil the other 90% easily. So, we need to get good quality reconditioned drums first and foremost. Source drum directly from drum factory If possible, it is better to buy reconditioned drums from drum supplier directly and deliver to oil supplier. This way, you have better control on what types of reconditioned drums you are getting. Because if you buy both oil & drums from an oil factory, this factory may use bad quality drums lying around in his warehouse or some old additives drum in his warehouse without checking the quality and inner condition of drums. Avoid chemical drums or adhesive drums It is important to take note “WE WILL NOT USE CHEMICAL / ADDITIVE / ADHESIVE DRUMS”. Some chemical such as adhesive have white or milky color like glue. And they are easily soluble in the oil if the adhesive is very thin or very light viscosity (example like honey or hair gel). And this again can spoil the whole drum of base oil. And make sure there is no water left-over in the drum as this again can make the oil very milky or cloudy. Avoid black color drum Customers do not like black color, so black color drums should be avoided. If possible, each container should have the same color of drums – example blue, red, yellow or green. Avoid drum logos and other manufacturer logos or unrelated markings on drums Avoid damaged drums Reconditioned drums should be free from dents, surface being cracked or having holes. It is long journey from port of loading to port of destination. So, if there is crack or damage on drums, oil slippage may occur during the transit time and clean-up cost will be on the shipper’s account. This is very expensive. Ensure washing and proper cleaning inside the drum Abc Cap seals Abc Labelling Customer import system requires two types of labelling – a) product label marking            b) PPRD label marking Both of these marking must be printed on the drums as instructed. Uses for recycled oil Industrial burner oil, where the used oil is dewatered, filtered and demineralised for use in industrial burners; Mould oil to help release products from their moulds (e.g. pressed metal products, concrete); Hydraulic oil; Bitumen based products; An additive in manufactured products; or.

 Importance to connect with us

Recycled base oil can have a lot of errors in color, clarity, viscosity and drum quality. So, it is very important to keep 3-4 good and reliable oil direct-factories at your side. It is not advisable to buy recycled base oil from trader as trader may not know who is the actual factory which produces the oil. And trader approach on quality is not as strict and strong as the end-user. So, if you buy from unknown new supplier, the problem can happen if you do not control this factory or this factory cheats on you by shipping bad quality shipments.
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