Surfaces of products or objects are coated to make them look more appealing and prevent them from being affected by corrosion or scratching. Coatings that are able to prevent materials or surfaces from wearing off are known as an abrasion resistant coating. They do contain graze tolerant components that make it resistant to erosion that happens when rubbing, scrapping, grinding, damaging and mechanical wearing of material occurs.
There are different types of coating that are used to make a surface or material scrap tolerant. Teflon coating has different properties that make it highly appropriate to prevent scratching. It has temperature and wear resistance, non-sticking properties and dry lubrication. Teflon also reduces friction caused by rubbing Ceramic coating is also used to solve the problem of scuffing. It is applied on the surface depending on how severe the friction is. It's resistant to high temperature and scratches.
Coatings that are tolerant to scuffing can be tested using different ways. The Taber Abrader method is used to measure the resistance of rubbing scuffing on different surfaces or material. This method is tested by putting two different surfaces to under different pressure to gauge on the wearing action caused by that action. This result measured by the change in loss of weight and appearance on the surface after this action of abrasion caused by pressure.
The Crock meter and the Sutra rub tester are machines used to measure the effect of graze tolerance caused by rubbing of the surface or material. This occurs when substance color or material moves from one surface to another when rubbing is done.
The tester has a head that rotates. The rotating head holds the circular felt pad on the load or material. In different conditions dry, wet or sweaty. The sutra rub test is also used to measure the rub/scratch tolerance of ink on printed films.
Another method used is the SmitherPira rub tester. Two printed surfaces or material under a constant rubbing pressure, at the same speed and in the same plane are placed facing each other. The rub/abrasion resistance is measured in this case by evaluating the color transfer that occurred from the printed surface or material when rubbing happened.
The Garvati CAT also known as Garvati comprehensive graze test is a method that was originally used to measure the graze resistance on beverage cans that are made of aluminum. The machine is used to cause a vibration that normally occurs when either the cans or printed book covers are being transported from one place to another using a truck or train. During this experiment the printed cans or book covers are put next to the ones that are plain. It is seen that when the machine exhibits the transit vibrations there is transfer of color substances and materials from the printed surfaces to the ones that are not printed.
It should be noted that being scrape resistant does not necessarily make a material or surface proof to scrape. The surface of a material breaks down eventually and gradually changes the shape due to mechanical wearing. Natural wearing can also cause scratching. It is also important to know that the process of achieving scrape resistance in a product or getting abrasion resistant coating is costly. Depending on the wear, one is required to weigh the cost of replacing the material and the coast of abrasion resistance.
There are different types of coating that are used to make a surface or material scrap tolerant. Teflon coating has different properties that make it highly appropriate to prevent scratching. It has temperature and wear resistance, non-sticking properties and dry lubrication. Teflon also reduces friction caused by rubbing Ceramic coating is also used to solve the problem of scuffing. It is applied on the surface depending on how severe the friction is. It's resistant to high temperature and scratches.
Coatings that are tolerant to scuffing can be tested using different ways. The Taber Abrader method is used to measure the resistance of rubbing scuffing on different surfaces or material. This method is tested by putting two different surfaces to under different pressure to gauge on the wearing action caused by that action. This result measured by the change in loss of weight and appearance on the surface after this action of abrasion caused by pressure.
The Crock meter and the Sutra rub tester are machines used to measure the effect of graze tolerance caused by rubbing of the surface or material. This occurs when substance color or material moves from one surface to another when rubbing is done.
The tester has a head that rotates. The rotating head holds the circular felt pad on the load or material. In different conditions dry, wet or sweaty. The sutra rub test is also used to measure the rub/scratch tolerance of ink on printed films.
Another method used is the SmitherPira rub tester. Two printed surfaces or material under a constant rubbing pressure, at the same speed and in the same plane are placed facing each other. The rub/abrasion resistance is measured in this case by evaluating the color transfer that occurred from the printed surface or material when rubbing happened.
The Garvati CAT also known as Garvati comprehensive graze test is a method that was originally used to measure the graze resistance on beverage cans that are made of aluminum. The machine is used to cause a vibration that normally occurs when either the cans or printed book covers are being transported from one place to another using a truck or train. During this experiment the printed cans or book covers are put next to the ones that are plain. It is seen that when the machine exhibits the transit vibrations there is transfer of color substances and materials from the printed surfaces to the ones that are not printed.
It should be noted that being scrape resistant does not necessarily make a material or surface proof to scrape. The surface of a material breaks down eventually and gradually changes the shape due to mechanical wearing. Natural wearing can also cause scratching. It is also important to know that the process of achieving scrape resistance in a product or getting abrasion resistant coating is costly. Depending on the wear, one is required to weigh the cost of replacing the material and the coast of abrasion resistance.
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