Quote:
Originally Posted by MaciekA
The IR-Hop patch is unaffected by temperature so if you can find a bucking that is made of a reasonably similar material that can punt a BB through the bucking lips with no jam, you're basically in business all year long, in theory..
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Degree is a bad term... it refers to Durometer Shore A ratings.
However, theses are taken at room temp (20C), and most rubbers/polymers do not have a linear curve or Shore A vs. Temp.
As a reference, Shore A 30 is the average rubber band. Shore A 50 is pure silicone (Guarder clear or bathroom silicone sealant when cured). Car tire are usually between 70 and 110 Shore A.
The rubber/compound used in IR-Hop might have a very flat curve, but most rubbers do not act the same.
You won't find that kind of information from an airsoft manufacturer (if they have it, they won't want to tell you as this is like a fingerprint for composite materials, you could copy them).
But if you want, you could buy everything that is ever made and compare them at different temperatures/FPS for us...