1 / 10

Examples of “ nitrosol ” products

Examples of “ nitrosol ” products. * BOV PRODUCTS Shave Creams Body Sprays Sun Tan (Sun Block) Sprays Depilatories Insect Repellants Bug Killers Cookware Lubricants Food Flavorings Ultra-pure Water Facial Rinses. * OTHER AEROSOLS single compartment

fadey
Download Presentation

Examples of “ nitrosol ” products

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Examples of “nitrosol” products *BOV PRODUCTS Shave Creams Body Sprays Sun Tan (Sun Block) Sprays Depilatories Insect Repellants Bug Killers Cookware Lubricants Food Flavorings Ultra-pure Water Facial Rinses *OTHER AEROSOLS single compartment Air Fresheners and Deodorants Furniture Polishes (Europe) Hard Surface Cleaners (Europe) Contact Lens Flushing Sprays Water Repellant Sprays - Boots Oral Refresher Sprays Selected lubricants

  2. advantages of “nitrosols” * Nitrogen is totally eco-compatible. (78% of air.) * Nitrogen is non-flammable, not a VOC. (No ODP.) * Nitrogen is completely inert – it will not harm any aerosol product. * At typically 0 to 0.6% nitrogen in the formulation, more product is delivered. * It can be filled with either U-t-C or T-t-V gassers, or even in-line or rotary gasser-shakers. (Only U-t-C for BOV productions.) * Pressures increase only slightly when heated. (Charles Law is closely followed.) * Propellant cost is almost negligible. * Sprays are almost silent. (Not frightening to pets or farm animals.)

  3. Disadvantages of “nitrosols” * Loss of propellant by inverting the can. * Requires a mechanical break-up (MBU) actuator. * Produces a fairly coarse spray. * Delivery rate decreases slightly as product is used. * Very slight solubility of gas in products. (If it causes unwanted foam in some.) * Pressure may change (fractionate) some products. * For quality control, gas weight is negligible. (Pressure testing is required.) * Even minor leakage can be harmful, since so little nitrogen is present. (After helium, nitrogen is the smallest molecule.) * Bulk storage is impractical – must use cylinders

  4. Nitrosolpressures

  5. Nitrosolpressureincreasesuponheatingto 55.4ºc (130ºf) in a hotwaterbath

  6. PressuretemperaturecoMPARISIONSNITROGEN VS. AIR-FREE ISO-BUTANE

  7. THE PRESSURE DROP DURING CONSUMER USE of “nitrosols *EXAMPLE: Initial pressure 10.55 kg./cm² (10.34 bars or 150 psi-gauge) at 21.1 °C Determine pressure when 95% is dispensed. *For a fill to 72.5% of the can volume: The final pressure is 2.27 kg./cm² (32.3 psi-g.) *For a fill to 70.0% of the can volume: The final pressure is 2.57 kg./cm² (36.5 psi-g.) *For a fill to 67.5.0% of the can volume: The final pressure is 2.86 kg./cm² (40.7 psi-g.) *For a fill to 65.0% of the can volume: The final pressure is 3.16 kg./cm² (44.9 psi-g.)

  8. THE PRESSURE DROP DURING CONSUMER USE of “nitrosols” *EXAMPLE: Initial pressure 7.03 kg./cm² (6.70 bars or 100 psi-gauge) TASK: Determine the pressure when 95% is dispensed. *For a fill to 72.5% of the can volume: The final pressure is 1.27 kg./cm² (18.0 psi-g.) *For a fill to 65.0% of the can volume: The final pressure is 1.85 kg./cm² (26.8 psi-g.) *For a fill to 60.0% of the can volume: The final pressure is 2.29 kg./cm² (32.0 psi-g.) *For a fill to 55.0% of the can volume: The final pressure is 2.70 kg./cm² (38.4 psi-g.)

  9. FOR BOVs ONLY: THE PRESSURE DROP DURING CONSUMER USE of “nitrosols” *EXAMPLE: Initial pressure 5.27 kg./cm² (5.12 bars or 75 psi-gauge) at 21.1 °C Determine pressure when 95% is dispensed. *For a fill to 70.0% of the can volume: The final pressure is 0.93 kg./cm² (13.2 psi-g.) Considered marginal or too low. *For a fill to 60.0% of the can volume: The final pressure is 1.57 kg./cm² (22.3 psi-g.) Acceptable.

More Related