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Asphalt Plus products, like Elastiko® ECR, are shipped in 1.0 to 1.1 ton bulk sacks, and each sack is placed on a pallet. The plastic bulk bags are closed and the top is tied off before shipping. The Elastiko® ECR product can be appropriately stored either inside or outside, and the material will not react or lose performance capability when stored in temperatures that range from -40F to +120F. Elastiko® ECR will not react with exposure to water, so exposure to rain should not cause any material chemical changes or reactions. Users should be aware that some regulatory agencies may establish a moisture content requirement for this product. If that occurs, the user should consider protecting the bags from direct exposure to rain and standing water.
Minus 30 crumb rubber has a small amount of capillary porosity, which means that in the event that a bulk bag of product is exposed to rainwater, only small amounts of water will be retained while the bulk of the water will either flow off of the bag top or drain out of the rubber. Since Elastiko® ECR is added in small quantities for most modified asphalt applications, tiny additional amounts of pore water present in the rubber could offer an exceedingly small potential for foaming or cooling the mix during production operations.
Storage of closed bags of product outside is typically not a source of mix problems, but extended storage of bagged product in the sun can increase the likelihood that the plastic bag fabric will degrade in the sun, causing an increased risk that the bulk bag will weaken and tear with longer storage times. If longer-term storage is required, interior storage locations are encouraged.