Rob Allen Premade 14mm Blue Roller Rubbers
Rob Allen Premade 14mm Blue Roller Rubbers 14mm suit all roller guns (select size in options). Made from genuine Rob Allen 14mm rubber and Dyneema.
High-quality Dyneema bridles and inserts with beads to ensure there are no failures.
Rob Allen manufacture their spearfishing rubber by Dip processing. While costing more, this allows using fewer additives, enhancing performance on a gun. The coloured outer layer increase protection from the environment, and the amber inner core is purer for performance.
Trials and tests have shown this rubber to provide up to 40% greater strength than other manufacturers.
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Some Interesting facts about Rubber:
It takes several quite distinct steps to make a product out of natural rubber. First, you have to gather your latex from the rubber trees using a traditional process called rubber tapping. That involves making a wide, V-shaped cut in the tree’s bark and collecting the dripping latex in a cup.
The latex from many trees is then filtered, washed, and reacted with acid. This makes the particles of rubber coagulate (stick together). The rubber made this way is pressed into slabs or sheets and then dried..
By itself, unprocessed rubber is not all that useful. It tends to be brittle when cold and smelly and sticky when it warms up. Further processes are used to turn it into a much more versatile material.
- Masticating machines “chew up” raw rubber using mechanical rollers and presses. This makes the rubber softer, easier to work, and more sticky.
- After the rubber has been masticated, extra chemical ingredients are mixed in to improve its properties (for example, to make it more hard wearing).
- Next, the rubber is squashed into shape by rollers (a process called calendaring) or squeezed through specially shaped holes to make hollow tubes (a process known as extrusion).
- Finally, the rubber is vulcanised (cooked): sulphur is added and the rubber is heated to about 140°C (280°F).
For more interesting stuff about Rubber check out this page Explain That Stuff.