Hydroxyethyl Cellulose (HEC)-High quality

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Product introduction：

HEC is a series of non-ionic soluble cellulose ethers, which can be dissolved in hot and cold water, and has the characteristics of thickening, suspending, adhesive, emulsion, film coating and super absorbent polymers protective colloid, which is widely used in paints, cosmetics, oil drilling and other industries.

Physical and chemical index：

ITEM CAS: 9004-62-0	INDEX
Moisture %	≤5.0
Ash content %	≤1.0
Viscosity mpa.s	300-150000
Light transmittance %	≥82
PH	5.0-8.0
D.S.	1.8-2.5
Appearance	white or off-white fibrous or granular powder, odorless, tasteless

Application：

Oilfield Industry Application Guide

● HEC thickening agent can be used as thickner of the well workover fluid and cementing agent. Help to provide clarification of the low fixed content solution, thus greatly reducing the structural damage to the wells. The liquid thickening by Hydroxyethyl Cellulose can be easily decomposed by acids, enzymes or oxidants, greatly improving the ability to recover hydrocarbons.
● Fluid in the well, HEC is used as proppant carrier. These liquids can be easily cracked through the process.
● HEC configuration using drilling fluid, based on its low solids content, can effectively increase drilling stability. These properties can be used to inhibit the fluid medium to high hardness of the rock and heavy shale or shale drilling.
● Reinforcement in the cement operations, HEC can reduce the hydraulic friction, minimize the loss of rock and water loss.

Oil industry use recommended：

Specification	Viscosity (2% solution, 25℃)	Application
CMAX-300DR	240-360mPa.s	Cementing
CMAX-100000DR	80000-120000mPa.s	Oil drilling
CAMX-150000DR	120000-180000mPa.s	Oil drilling

Q:What is called additive identity of rational numbers?: Hi, The additive identity of rational numbers is the fact that you can pick any rational number, add 0 to it, and get the IDENTICAL number as the answer. So ? + 0 ? or ? + 0 ?. I hope that helps!! :-)

Q:Is there a difference?: What Is Additive Identity

Q:Is there a difference?: What Is Additive Identity

Q:I have 3 container grow asian pear trees that I want to plant, do I need to add anything to the clay soil to promote a healthy tree?: Pears or Pyrus cope with clay soil but if you want to make the soil have better drainage and give them a good start add gypsum and compost to you planting hole.

Q:that are still allowed.: Yes.The front tire being narrower dissalows the proper ability to stop the motorcycle and properly corner their by creating a hazardous condition for the rider.In this case the tires are not inter changeable because one has a 17 rim and the other has a 19 rim.Have a great day.

Q:And what year did the stop putting lead in gas?: The real purpose of lead was to lubricate the valves and seats, if you don't have hardened seats and can't find a lead additive, then look for a top oil to add to the gaspreferably something with zinc in it and also make sure you use a oil that contains zinc, like the racing oils and HD diesel oils Texaco introduces Fire Chief gasoline nationwide, a motor fuel that meets the federal mandates lead to mandating of unleaded gasoline in 1975 and later-model cars .This was for the new catalytic converters.

Q:I have heard I do and I have heard I don‘t. If so by running a tank of gas through it without additive would that of hurt anything?: High performance cars from the 60's and early 70's require high performance gasoline. Unless the engine has already been modified, pre-1971 cars require leaded high octane gasoline to run correctly. Because leaded gasoline is no longer sold in the United States, owners of these types of vehicles need to buy lead substitute additives (around $2-$5 per bottle). A bottle is generally good for one tank of gas. Lead is critical because it acts as a lubricant for the internal engine parts and stops them from wearing out prematurely. Engines built in 1971 and later are built to run on unleaded gas so adding lead substitute is not needed. In fact, lead damages Catalytic Converters, which are required on cars built after 1977, and is more harmful to the environment. Adding a lead additive to a pre-1971 engine will literally prevent the engine from beating itself to death

Q:What are the traditional cosmetics additives? What are the hazards?: Mineral oil, also known as paraffin oil, from the oil extract, easy to use, easy to apply, but poor ventilation, can not let the skin breathe properly. Mineral oil is not easy to penetrate, the molecules are large, for oily or mixed partial oil skin may cause clogging after the pores, causing acne and inflammation. Mineral oil is also very easy to absorb ultraviolet light, the formation of uneven skin color or stains;

Q:Can someone please explain to me in layman‘s terms the difference between additive and subtractive colors? I have looked for this on the web but it is all to confusing.: Subtractive colors the colros are generated from the light source in the area. like the sun, a flash, lamps etc. When you print you are using subtractive colors. CMYK Cyan Magenta Yellow and Black. printed materials will be printed in using these colors. Light will hit the ink and it subtracts everthing except that color. so when you look at a cyan (light blue) color on an ad in a magazine the light is hitting the paper and all the other colors in the sepctrum are being removed thus allowing you to see just the cyan. and if I want purple I need to subract the with cyan and magenta inks Additive colors are Red Green and Blue. These are used on things like computer screens and TV's. The main source of the color is the electronics it's self. since it is generating the colors nothing gets subtracted only added. thus they are additive colors. so to make purple I need to add blue and red.

Q:object colour: magentaligh colour : green why is the light colour reflected black!!!????????object colour: yellow light colour: blue why is light colour reflected black???i dont understand!!!: Our eyes have receptors for red, blue and green. With these kinds of colour receptor we can sense millions of different colours. Subtractive colour theory has the primaries red, yellow and blue; secondaries colours green, purple and orange made by combining 2 primaries. However you are talking about shining a light and looking at what reflects back, so additive colour theory is more appropriate here. Additive colour primaries are red, green, blue (yes the same as the receptors in our eyes, not a coincidence); additive secondaries are yellow, cyan and magenta (same colours used as transparent inks in full colour printing, once again not a coincidence). Magenta is made by adding red light to blue light, note that green is missing. Therefore if you shine a magenta light onto a green coloured object, there is no colour of light that the object can reflect back, so it appears black.

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