General Questions and Answers

General frequet ask and question regarding Bitumen,oxidized bitumen,Paraffin,Gilsonite and rubber process oil

Bitumen in drum is 1$/Kg steel cost and each ton of bitumen 60/70 is near 60Kg steel weight and means 60$ is only cost of packing but jumbo bag is 10$ only and it is quite feasible to pack to save alot of cost.

1. local project has been stop for one year due Covid.

2. refineries shift on light crude and less vaccum bottom they will have.

3. China economic booming on 2021 and development is fast.

4. crude oil increasing.

5. africa needs high demand.

Iran bitumen has below advantage:

1. Price is lowest

2. Quality is highest

3. Dealer are professional in bitumen business

4. Delivey is quick

5. Location of Iran is stratigic and has access to various market. 

6. A lot of Iraning marketing bitumen at site so Iran bitumen is one big brands!

Iran bitumen has below advantage:

1. Price is lowest

2. Quality is highest

3. Dealer are professional in bitumen business

4. Delivey is quick

5. Location of Iran is stratigic and has access to various market. 

6. A lot of Iraning marketing bitumen at site so Iran bitumen is one big brands!

Iran producing big volume of bitumen compare to other countries and able to sell based on compititve rate. So volume is advantage to bring down the Bitumen price. 

Iran producing big volume of bitumen compare to other countries and able to sell based on compititve rate. So volume is advantage to bring down the Bitumen price. 

Bitumen price FOB of Bandar Abbas in differs packing in bulk and drum is 50$ differences.

Today price (17 July 2016)bitumen 60/70 and 80/100 in drum is 230$ per ton and bulk is 180$ so bulk bitumen is cheaper based on 50$ compare drum bitumen.

there are differnt grades of process oil DAE as below :

DAE 10 , DAE 11 , DAE 20 , DAE 40 ,DAE 50 , DAE 60

since source of cruid oil has been decreased rubber process oil price increased in all over the world .

it is some kind of additive which increase the plasticity or fluidity of a material, it is called also as dispersants and main usage is in plastic industries .

Aromatic RPO generally is very dark in colour normally brown & good compatible with most Rubber Polymers. when colour of the end product is not important using aromatic oils like belts , tires , floor mats ,…Paraffinic rubber process oil is lighter than aromatic rpo , has a wide range of viscosity , higher Aniline & Flash Point. It is extensively used in the manufacturing of butyl tubes, EPDM based rubber products,  hose pipe & automotive Components.

  • sepahan 
  • iranol 
  • behran 
  • pars 

ASTM is international test method for RPO , DAE , TDAE , MES . RAE, TRAE ,…

is it possible to ship RPO in flexi tank as a bulk shipment?

no flexitank should fill in 20 DC containers , no vessel allowed to carry any product in flexibag with out container .

for safe shipping customers only can ship cargo in flexi tank only inside 20 foot containers.

high viscosity rubber process oil is thick  or at in low temperature in fall and winter time become more thicker . This will decrease the speed of emptying the cargo from the Flexitanks, for this purpose there are heating pads which are installed together with FLEXITANK. It is used just before start of emptying using steam or hot water inside, in order to increase temperature of a cargo. 

Jey and Pasargad bitumen both refineries making top quality of bitumen in the world. But the main differences is ductility of bitumen. Jey bitumen is more ductile and need to add less additive to modify the bitumen! So it is more expensive and more favor for importer. For instance in China the standard ductility of bitumen is minimum 100 at 15c and Jey bitumen supporting this item easily while international standard is 100 cm at 25 centigrade. It is the main differences of Jey and Pasargad bitumen.


  • Total cost reduction and higher profit margin

  • Market price fluctuation hedge

  • Cash flow optimization

  • Prompt “door to door” delivery

  • Flexitank can be used for storage, either temporary or even as an alternative to a permanent storage tank

  • Integrated service: shipping containers can be transferred to trucks, so flexitank can serve as a cost-effective door-to-door package for/from deep inland and difficult to reach destinations

There is a lot of way to unload rubber process oil from flexi tank :

  • Using heating pad under the bags so heating RPO make it more viscouze so it makes it more easy to discharge .

  • Tear the bags in rubber processing oil pool .

  • Pumping RPO from flexi to where we need such as oil pools , tankers , drums , … 

The volume of flexitanks is different, depending on the viscosity of rubber process oil, the capacity will be 22 MT/flexitank .

A flexitank is an alternative way for liquid oils such as rubber process oil , base oil , industrial oil , … which can be used in different transportation mode such as railway , road tanks , container and other forms of transportation. Most of the customers, who were initially receiving rubber process oil , RPO , DAE , TDAE, MES  in drums have found that it is much better to ship their cargo by flexi tank cause it is more cost effective .

Sepahan starting from 40 Viscosity to 60 @ 100C
Behran RPO is maximum 30 at 100C
Pars oil is from 35 at 100C
You can not get test report from Pars oil!
Iranol is heavy rubber process oil.

Pars oil is cheaper than Iranol and then Sepahan and then Behran.

The differences between paraffin and microcrystalline are summarized in the table below

The distinct properties make each product suitable for special applications.


Microcrystalline Waxes

Paraffin Waxes





Light Brown, Yellow, White


Texture or “Feel”


Slick and Glossy

Melting point

Higher melting point 54-95 c

Lower melting point 48 to 70 c




Tensile strength

Plastic and malleable


Crystalline structure

Monoclinic crystals


Alkane CH4 structure


Straight Chain

Carbon black is the main reinforcing filler used in rubber compounds and serves to improve durability and strength.

USA and CHINA is the biggest consumer of rubber process oil .

  • tyre around 70% of rubber process oils use for producing 

  • footwears

  • seals 

  • shock absorbing parts

  • belts

  • hose

  • foamed rubber product

  • sport equipment 


performance of TDAE is much better than DAE but DAE price and availability is much better than TDAE .


A candle consists primarily of wax and a wick. Candles may also contain colorants, fragrances and minor additives. The basic candle types are tapers, votive, pillars, jar or container candles, tealight, gels, floating candles, outdoor candles, novelty candles, utility candles, and birthday candles.

follow the manufacturer’s instructions. Always extinguish a candle if the flame gets too close to the candle holder or container. For a margin of safety, discontinue burning a candle when 2 inches of wax remains (½ inch if a container candle or jar candle).

When a candle burns, the wax is drawn into the wick, where it is consumed by the candle flame to produce water vapor and carbon dioxide.

Reputable candle manufacturers use only fragrances that are approved for burning in candles. They also carefully monitor the addition of fragrance to ensure that the candle will burn cleanly and properly.

In fact, scores of natural ingredients are known to be extremely toxic to humans in very small amounts. NCA members are committed to manufacturing candles that use ingredients known to be safe and approved for use in candles, whether natural or synthesized.

wax is generally an oily material and can not be solved in water .

oil stands on top of the water and can be picked up if the water is cold .

because of this specification , one way to clean candle or other waxy materials from carpet or clothes is rubbing ice on it s surface and then pick wax from the surfaced

paraffin is approved by the U.S. Food and Drug Administration for use in food, cosmetics, and medical applications. Food-grade paraffin is commonly used for manufacturing candles.

for making food and cosmetic grade paraffin wax , it should be DE-oiled to 0.5% or less

more oil content means industrial grade paraffin wax

General purpose synthetic rubber has its origin in two gases: butadiene, a by-product of petroleum refining, and styrene, captured either in the coking process or as a petroleum refining by-product. When the two are mixed in the presence of soapsuds in a reactor, liquid latex results. The dry rubber in this milky liquid is then coagulated into crumbs, washed, dried, and baled ready for shipment.

after world war 2 when america used almost all natural rubber they had to find a solotion to find another alternative which conclud to syntatic rubber which has a important key role in daily life .

The two types of rubber natural and synthetic rubber. Natural rubber comes from the rubber tree (Hevea brasiliensis). Synthetic rubber is made by refinery’s from petrochemical feed stocks. Crude oil is the principal raw material.

Yes bitumen in bulk is possible but arrangement of vessel is under buyer responsibility!

110 drum we can load to 20ft container and each drum 185 kg.

VG bitumen means viscosity grade and compare 60/70 the viscosity is twice around 3200~3800.

Jey and Pasargad are biggest producer of bitumen in Iran market.

To buy oxidized bitumen buyers must be knew the application also working temperature of the area. For instance under bathroom and kitchen u have to seal by oxidized bitumen 115/15

Becuase of limit source of Gilsonite there is not direct relation between oil price and Gilsonite price. Just demand on market creat is important key on price.

Main differences there is


1. Wax content of Russia bitumen is very high

2.  Viscosity of Russia bitumen is very low

3. Ductility of Russia bitumen is lower than standard. 

She’ll producing big quantity of oxidized bitumen but always price is higher than others and there is shortage on delivery!

Depend on production method and pure or mix the bitumen price is different.

110 drum of bitumen. Each drum 185 kg.

Depend on quality of bitumen drum there is .6 and .7 mm.

It is penetration of bitumen between 60~70 0.0mm

The first digit is softening point of oxidized bitumen and the second is penetration.

Size of oxidized bitumen bag is 90x40x15 cm. it is meltable bag.

Oxidized bitumen as low density and maximum 22 MT we can load the blown asphalt in 20 ft container. 

It is because of invitomental case and oil product must be collected in special zone and cost is very high like as medical garbage.

Gilsonite is black and natural rock asphalt that can be pulverized and melted to use in the ink, drilling fluid, asphalt and foundry industry. Gilsonite chemical makeup is a complex mix of elements that include sulfur, carbon, oxygen, hydrogen and nitrogen, as well as small quantities of other elements. 

Caustic soda, or sodium hydroxide (NaOH), is a strong base and can dissolve various materials, including some types of wipes. However, it’s important to note that the effect of caustic soda on baby wipes can vary depending on the specific composition of the wipes.

Many baby wipes are designed to be durable and resistant to tearing, as they need to withstand wetness and cleaning actions. Therefore, they may have some level of resistance to chemical dissolution. However, if the baby wipes contain materials that are susceptible to the alkaline nature of caustic soda, they may eventually break down or dissolve.

It’s worth mentioning that caustic soda is highly corrosive and can cause skin irritation or burns. It is essential to handle it with extreme caution and follow appropriate safety protocols. It is not recommended to intentionally mix or dissolve baby wipes in caustic soda unless you have a specific need and are well-equipped with the necessary safety measures.

If you are looking for a method to dispose of or break down baby wipes, it’s generally safer and more appropriate to follow the disposal guidelines provided by the manufacturer or local waste management regulations.