3M™ Dust Suppressant LSP-1000C

• Helps reduce costs- Unlike water, which must be frequently re-applied to maintain dust control, LSP-1000C suppressant typically requires only a single application. This can result in potentially significant savings on fuel and labor costs.
• Durable - LSP-1000C suppressant has proven its ability to control dust over long, jarring rail hauls of 800+ miles, without re-application.
• Wide operating temperature range - Can be applied down to 32°F (0°C) and in excess of 100°F (38°C) without appreciable effect on durability, performance or application properties. It is also not affected by humidity.
• Non-corrosive- Does not contribute to corrosion of railcars or equipment
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• 3M™ Dust Suppressant LSP-1000C can be applied using readily- available, off-the-shelf components used in fluid spraying systems, such as tanks, pumps, piping, nozzles and proportioners. Nominal application rate is from 0.5 to 5% diluted in water. For coal transportation or stockpiles, the recommended dilution is 1 to 5% in water. 3M™ Dust Suppressant LSP-1000C suppressant dries tack-free in 30 minutes, at which time 80% performance is achieved. If rain occurs after 30 minutes, there will be no detrimental effect on performance. Product dries to full cure in 60 minutes. It is recommended that the coal be above 32°F (0°C) before applying 3M™ Dust Suppressant LSP-1000C suppressant.
• Once applied to a material's surface using conventional spray equipment, the 3M™ Dust Suppressant LSP-1000C solution dries to form a thin, flexible and continuous film that can effectively suppress dust for extended periods. In fact, both laboratory and tield tests have shown that 3M™ Dust Suppressant LSP-1000C provides more complete and longer-lasting dust control than water or many conventional dust suppression products.

• Weight of Coal Lost Over Time The following laboratory-scale test is designed to simulate the effect of wind blowing over a stockpile of coal, to determine the amount of coal (by weight) lost to dust emission. The coal used is from the Powder River Basin coal mine. The coal sample is ground and sized by passing a 0.07 inch screen, with the oversize particles diskarded. The prepared coal sample was placed on trays 20mm in depth. The surface area of each tray is approximately 200 cm². Application of 3M™ Dust Suppressant LSP-1000C suppressant was approximately 1.5 liters per square meter. After the suppressant was sprayed on the coal samples, the trays were placed in an oven of 40°C for one hour to cure. They were then left at room temperature (25°C) overnight before testing. An air gun was used to simulate wind of approximately 10 mph blowing over the coal sample surface. The coal sample weight loss was measured at each air gun blow cycle, which lasted for one minute. A total of 10 cycles were recorded for the treated coal samples.

• Virtually identical results were obtained when the same test was run after placing the sample trays in a freeze chamber at -28°C for about 3 hours and then allowed to thaw at room temperature for 3 hours, indicating that the product offers excellent freeze/thaw stability.
• Additional tests have shown no relationship between the moisture content of coal and the effectiveness of 3M™ Dust Suppressant LSP-1000C suppressant. None of the contaminants commonly found in coal have been found to affect the 3M™ product's performance.

To dispose of unused 3M™ Dust Suppressant LSP-1000C, incinerate in an industrial or commercial facility in the presence of a combustible material. As a disposal altemative, dispose of waste product in a facility permitted to accept chemical waste.

Keep container in well-ventilated area. Store away from heat. Store out of direct sunlight. 3M™ Dust Suppressant LSP-1000C concentrate is subject to form a "skin" when exposed to dry and hot air. Keep container closed tightly when not in use. The shelf life of 3M™ Dust Suppressant LSP-1000C concentrate is two years from date of manufacture under normal storage conditions. 3M™ Dust Suppressant LSP-1000C is stable after limited freezing and thawing. Repeated freezing and thawing should be avoided, and may affect stability.