What do the numbers mean in ballistic nylon?

Answer According to San Diego Plastics, the numbers used to describe nylon refer to "how many methyl units (-CH2-) occur on each side of the nitrogen atoms (amide groups)." These affect the strength of th... Read More »

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What Do Oil Numbers Mean?

Automotive oil comes labeled with letters and numbers coding oil weight and additives. The different characters stand for engine-cleaning protection, what type of engine to use the oil on and the v... Read More »

What do the numbers mean for oil?

It doesn't take a trained mechanic to change the oil in a car. But to get the task done right and prevent future damage, you need to know what kind of oil to use. This can be found in your car's us... Read More »

What do the numbers on a GPS mean?

A GPS receiver displays location readings obtained from orbital satellites. The signals from at least three satellites are triangulated to display numbers that represent latitude, longitude plus al... Read More »

What Do pH Numbers Mean?

If you have ever owned a fish tank or a pool, you have probably conducted a pH test. PH tests calculate the amount of hydrogen ions in a solution versus a neutral solution. Solutions found to be ac... Read More »