Superpoly 50 Polyisoprene natural rubber Akrochem Rubber - Natural rubber, NR Rubber - Elastomer >> Polyisoprene rubber, IR SEALANT SEALANT >> Pre-formed tape / Gasket The Superpoly (SP), a specialty polyisoprene natural rubber, is partially pre-crosslinked, high performance elastomer available in bale form. This elastomer is produced by blending specific proportions of vulcanized and unvulcanized natural rubber during the latex phase of production. The latex phase blending ensures a homogeneous, uniform mix of the two components. Due to its unique two-phase structure, SP natural rubber is very clean, light in color and contains low levels of volatile matter. Superpoly natural rubber is used in quality formulations as either the sole elastomer or as a blend (process aid) with other natural or synthetic elastomers. This natural rubber has the ability to improve flow characteristics and increase mix viscosities which are advantageous properties to mixing, preforming and molding rubber. For extruded goods, SP creates fast throughput, low die swell, smooth surfaces and increase dimensional stability. Applications include: wiper blades, tubing, hoses, sponge, surgical articles, gaskets, windscreen seals, etc. For calendered parts, SP reduced shrinkage and improve surface finish and gauge consistency. Uses include: sheeting, tape, cut threads, railway pad ballast, etc. With the use of SP, molded goods benefit with less air and volatile entrapment (blisters), gauge consistency, surface appearance, etc. Specialty polyisoprene natural rubber. Produced by blending specific proportions of vulcanized and unvulcanized natural rubber during the latex phase of production. Used in quality formulations as either the sole elastomer or as a blend (process aid) with other natural or synthetic elastomers. Used in gaskets and seals. Improves flow characteristics and increases mix viscosities. For extruded goods, creates fast throughput, low die swell, smooth surfaces and increase dimensional stability . For calendered parts, reduces shrinkage and improves surface finish and gauge consistency.