What was used to erase before rubber was invented?

People tried anything from soft bread, wax or bits of rough stone to remove mistakes from paper (aka papyrus). It wasn’t until 1770 that an English Engineer used rubber and found that it worked well. But it wasn’t until 1839 that it became a household item thanks to Charles Goodyear. Eraser History

How many types of products does Aero Rubber sell?

While you could say we sell over 20 products, you could also argue we sell an infinite number of products since all of our rubber parts are custom and we do custom rubber bands as well. We specialize in providing large production runs of custom rubber products. Our major categories include:

Custom Rubber Parts

Matting, sheeting, rolls, cord, gaskets & seals, hose, sleeves, tubing & more!

  • Fabricated
  • Extruded
  • Molded

Pallet Bands

  • For Freezer, Warehouse, or Outdoor
  • Tuff Job Bands (Drum Liner Bands)

Rubber Bands

  • Stationary
  • Non-Latex
  • Clear
  • Tab
  • All Weather

PromoStretch Silicone Advertising Bands

  • Printed
  • Unprinted

How large is the largest rubber band ball?

The measurement took place during the celebrations of Guinness World Records Day 2008. 700,000 rubber bands of all sizes were used for the ball. The rubber band ball took 4 years to finish, is 6 ft 7 in high and weighs 9,032.34 lbs. Largest Rubber Band Ball

What’s the difference between a rubber gasket and a seal?

Gasket – Normally a gasket is used to seal between two flat surfaces and cut from rubber sheet by water jet or die cut methods.

Rubber Gaskets

Rubber Gaskets

Molded Seal with Corner Splice

Molded Seal with Splice

Seal – Typically a seal is not flat and must be molded to a non-flat cross section. It may be round, square or a special shape to fit the two parts you are trying to seal.

The polymer used in either the gasket or seal depends on what the polymer will see in reference to chemicals or temperature. Gaskets and seals can be produced in various hardnesses called durometers. They can also be produced in either a solid polymer or a closed cell sponge. View our full gasket and seal capabilities.

What’s a “standard” size rubber band?

All rubber bands have a size number and typically the most ordered sizes are #16, 32, 33, and 64. While there is no standard size, many people consider #64 (3.5″ x .25″) rubber bands that are used to bundle mail standard. But as you can see from our size chart that it’s possible to get very small rubber bands from size 7 (.75″ x .0625″) to rubber bands over 8″ in flat length. And if you look further to our Tuff Job Bands and Pallet Bands you’ll see that we can produce rubber bands up to 128″ in circumference.

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