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Economical grade of general purpose rubber for lining, sealing and protection.
Reinforced with cotton for added physical strength and resistance to tearing.
Good resistance to mild acids and alkalis with excellent sealing performance.
Natural Insertion Rubber Sheet is an economical form of general purpose rubber. It is known by a number of names including Insertion Rubber, Natural Rubber Insertion and NRI. This type is made using natural rubber compound that is reinforced with one, or more (depending on the thickness) layers of cotton running through the middle. This means that rubber sheet has the sealing attributes you’re used to with natural rubber but added tensile strength because of the cotton.
Our Insertion Rubber Sheet can be cut using a Stanley knife or scissors (for the thinner types). It also has good resistance to mild acids and alkalis as well as ozone. This type of rubber is not suggested for sealing oils, petroleum or hydrocarbons (for more info on what the chemical resistance of insertion rubber, click here to see our rubber chemical page).
Instead, this rubber product it is usually used for things like wear pads, water seals or other uses that require a rubber with good abrasion resistance, controlled elongation and reliable performance at a low price point.
Applications for Natural Insertion Rubber Sheet.
Protective floor sheets.
Rubber pads and sealing strips.
Rubber gaskets, washers and seals.
Pump seals, tank seals and gaskets for low pressure pipes.
3mm, 5mm, 6mm
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