Pre-vulcanized Butyl Rubber

Butyl Rubber has very good resilience and elongation. Good resistance to aging, ozone, low and high temperature, especially to a big range of medium, such as any concentration of hydrochloric acid HCl, phosphoric acid H3PO4,40% sulfuric acid H2HO4, alkali( 40% sodium hydroxide NaOH, potassium hydroxide KOH), seawater, saturated saltwater. It is used for cutting gaskets and other general industrial purpose applications which will contact with above-referred mediums. Butyl rubber sheet also works on the lining field, for instance, Acid and alkali storage tank in chemical, chemical fertilizer, metallurgy, electricity factories, equipment contact with acid-base, isolated layer underfloor to prevent acid-base leak into underground water.

Technical Parameter

PropertyTest StandardValue
Polymer Type Butyl rubber
Hardness (Shore A)ISO 868:200360 ±5
Tensile Strength (MPa)ISO 37:20174 & 8
Elongation At Break (%)ISO 37:2017≥300% & 500%
Density (g/cm³) ≥300% & 500%
Comperssion Set after 22h at 70℃ (%)ISO 815-1:20141.35 & 1.25 ±0.05
Operating Temperature (℃) -40℃ to +130℃


Available Size

Surfaceboth sides fabric impression(recommended), both sides smooth

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