Asked by: Benali Galvin
hobbies and interests drawing and sketching

What is the chemical composition of eraser?

Last Updated: 14th May, 2020

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Several synthetic rubber compounds have beenusedto make erasers. These include isoprene-isobutylene (butylrubber),styrene-butadiene, and ethylene-propylenecopolymers.

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Hereof, what chemicals are in erasers?

Making erasers Once the natural or synthetic rubber is mixedwithpigments, vegetable oil, pumice, sulfur, and otheradditionalingredients, the mixture is heated and the erasersareformed.

Furthermore, what are the properties of an eraser? The Physical and Chemical Properties of an Eraser

  • Phy1: The eraser's size is 5.7 cm by 2.4 cm by 0.9 cm.
  • Phy2: Color- From observation, the eraser is an eggshellwhitecolor.
  • Phy3: Smell- From observation, the eraser is made ofsyntheticrubber but it smells like new plastic.
  • Phy4: Malleability- The eraser is not really malleable.

Correspondingly, what is an eraser made of?

Erasers have a rubbery consistency and come inavariety of shapes, sizes and colours. Some pencils haveaneraser on one end. Less expensive erasers aremadefrom synthetic rubber and synthetic soy-based gum, butmoreexpensive or specialized erasers are vinyl, plastic,orgum-like materials.

Why are erasers pink?

"The erasers featured pumice, a volcanic ashfromItaly that gave them their abrasive quality, along withtheirdistinctive color and smell. Because of theeraser'strademark pink color and surprisingly softtexture, Faberdecided to name it the PinkPearl."

Related Question Answers

Versie Neydorf

Professional

Is an eraser toxic?

An eraser is a piece of rubber used toremovepencil drawings. Erasers are not poisonousifswallowed, but larger pieces can be a chokinghazard.

Randy Oteri

Professional

What are eraser shavings called?

Perhaps they are called 'rubbershavings'.http://www.freepatentsonline.com/3948009.html. Orerasershavings

Marquitta Abrosimoff

Explainer

What is pencil lead made of?

Here's a myth buster: There is no leadinpencils. Rather, the core is made up of anon-toxicmineral called graphite. The common name“pencillead” is due to an historic associationwith the stylusmade of lead in ancient Romantimes.

Bousselham Hlaczik

Explainer

Are rubber erasers biodegradable?

Most erasers these days are made fromeithersynthetic rubber or vinyl. I found theseerasersticks made from recycled rubber. They can evenbe sharpenedfor more precise erasing, and will last much longerthan the punylittle eraser typically found on the end ofapencil.

Fouad Oxanguren

Explainer

Why do Erasers have two ends?

The blue end is meant for erasing pencil marksonheavy grades of paper or dark marks. The softend(pink/orange) is useful for light grades of paper whichthe hardgritted side would tear apart, and also forprecisionerasing, such as removing a light stray mark from amongdarkmarks.

Duarte Gordyagin

Pundit

Why do pencils have erasers?

Pencils work because, when they are put topaper,their graphite mingles with the fiber particles that comprisethepaper. And erasers work, in turn, because the polymersthatmake them up are stickier than the particlesofpaper—so graphite particles end up getting stuck totheeraser instead.

Manda Guha

Pundit

What is the best eraser?

Top 10 Best Erasers to Buy Online
  1. Tombow for Ink and Pencil Sand Eraser. Visit Amazon formoredetails.
  2. Prismacolor Kneaded Rubber Eraser. Visit Amazon formoredetails.
  3. Acurit Vanish 4-1 Artist Eraser.
  4. Pentel Hi-Polymer Block Eraser.
  5. Faber Castell Kneaded Eraser.
  6. Staedtler Plastic Vinyl Eraser.
  7. Prismacolor ArtGum Block Eraser.
  8. Paper Mate White Pearl Eraser.

Encarnacio Berasueta

Pundit

Do erasers expire?

they don't have erasers, and people are usedtousing a handheld eraser. No longer dorubbererasers dry out quite as fast. “Even the PinkPearl,which is one of my favorite erasers even though itdoesn'treally work that well, they've made it softer.

Ahlam Burch

Pundit

Do kneaded erasers go bad?

Because kneaded erasers absorb graphite, theywillbecome dirtier with use. Eventually they will become too dirtytouse as graphite, charcoal, dust or other particles accumulate intheeraser. So, at some point, you won't be able to keepusing itand then it will be time to seek areplacement.

Chunmei Boj

Pundit

How does an eraser work?

When you rub an eraser across a pencil mark,theabrasives in the eraser gently scratch the surface fibersofthe paper to loosen the graphite particles. The sticky rubberinthe eraser grabs and holds on to the graphiteparticles.Erasers work because of friction.

Geane Tyssen

Teacher

What does an eraser symbolize?

The eraser is, thus, deceptively small.Itencompasses so much courage and valor while lying snuggled inamongthe pens and pencils of desk drawers and pencil pouches.Despitethis superior camouflage, the eraser will remain asymbol ofknowledge that emerges as a result of successful andvigorousfailure.

Odon Ambacher

Teacher

Why was the eraser invented?

People tried to correct mistakes they madewhilewriting even before eraser was invented. Toerasemarks from the paper, they used tablets of rubber or wax.Thatyear, Edward Nairne, an English engineer, picked up a pieceofrubber instead of breadcrumbs and discovered that rubber canerasepencil markings.

Esosa Wicke

Teacher

Why do erasers stick to plastic?

The advantage of our plastic erasers is thattheyrub off more coarsely than rubber products, so theyhardlystick to the paper. Plastic is also one of themosteffective materials for erasing mistakes.

Bibian Ugonotti

Teacher

What is Artgum?

Intended for erasing graphite marks from largeareas,Blick Art Gum Erasers are an economical classroomfavorite.Made from soft, coarse rubber, these erasers tend tocrumble asthey lift graphite marks from the paper. This is anormalcharacteristic of the product.

Fawzia Babo

Reviewer

Why pencil eraser does not work?

Why do pencil manufacturers makeerasersthat don't work? Good erasers are soft(no tearing)and sticky (rub easy), but firm (shouldn't 't fall of).When yourub an eraser across a pencil mark, theabrasives inthe eraser gently scratch the surface fibers ofthe paper toloosen the graphite particles.

Giorgi Fougeray

Reviewer

How do I delete files using eraser?

Using the Eraser to permanently delete files
  1. To erase a file or folder, right-click the file or folder,hoverover Eraser, and then click Erase.
  2. Click Yes to confirm that you want to erase theselecteditems.
  3. A notification appears in the system notification area whenthetask is complete.

Aldin Auclair

Reviewer

Is rubber a plastic?

Although both are polymers, plasticandrubber differ because: 1. Rubber can beconsideredelastomers, and that's why when compared toplastics, theyare naturally more elastic. Syntheticrubber is derived fromcrude oil, whereas syntheticplastic is made of petroleumand natural gas.

Mennana Fabregat

Reviewer

What is rubber made of elements?

Like plastic, rubber is a polymer, which isachain of repeating units called monomers. In rubber,themonomer is a carbon compound called isoprene that hastwocarbon-carbon double bonds. The latex fluid that seepsfromrubber trees has many isoprene molecules.

Zeenat Jakunov

Supporter

How do you make an eraser?

Steps
  1. Buy eraser clay. Look for crafting clay specificallydesignedfor use in creating your own erasers.
  2. Warm and shape the clay. Pull off pieces of the eraser claytosqueeze and warm them in your hands until they're very softandpliable.
  3. Use tools if you wish.