26 Spray April 2015 a temporary protector coating for bug guards, mud flaps and bras. The extremely flammable formulation is packaged as a 15oz. fill in a 211x908 (65x240mm) tinplate can with a tamperevident cap. A number of other paint and coatings firms participate in the automotive marketplace. Their products can be found in specialty paint stores, supermarkets and in retailers that sell a wide range of automobile accessories. Rubber Coating Rust-Oleum markets its Flexible Rubber Coating, designed to repair cracks, fill holes and seal leaks. Since it is satisfactory up to 16 psi-g (1.1 bar) it is claimed to be useful for the repair of damaged oil pans, radiator hoses and polyvinyl chloride (PVC) items. It stops rust from forming and the formula contains xylene isomers as a rubber dispersant. The container is a 211x713 (65x198mm) tinplate can with a 15oz. fill. Automotive Cleaners A wide range of specialty cleaning agents are used for improving the appearance of cars, trucks, bicycles and even golf carts. A well-recognized general purpose cleaner is Tuff Stuff, sold by the Armor All / STP Products Co. of Danbury, MA. It is a multi-purpose foam product, packaged as a 22oz. fill in a 214x804 (70x209mm) tinplate can. The can capacity is 787mL. The product can be safely used on car fabrics, vinyls and even leather. Although many people use household window cleaner for cleaning the windshield and windows of cars, there are a number of products specifically designed for automotive applications. One is by Stoner Co. of Quarrysville, PA, trade named Invisible Glass and sold as a premium glass cleaner. The 19oz. product label states the contents as water, a hydrocarbon blend and a hydrocarbon propellant. Packaging is in a 211x713 (65x198mm) tinplate container. The Turtle Wax Co. was formed during the 1950s when Chicago entrepreneur Benjamin Hirsh launched his Penny Shine instant shoe shine aerosols. Soon afterward Stanley Svedas, the Director of R&D, began developing a line of impressive automotive aerosol products. One of the latest is the Interior 1 Oxy-Multipurpose Cleaner & Stain Remover for carpets, floor mats and vinyls. The tall 211x908 (65x240mm) DOT-2P can from DS Container is capped with a yellow plastic application brush actuator. The fill weight is 17oz. The hydrocarbon propelled VOC = 8 product is an important contributor to the 75,000,000 unit general purpose cleaner market. Other important general purpose cleaning products include Scotch Gard by the 3M Products Materials Division, presented as a fabric and carpet foaming cleaner in a 211x713 (65x198mm) tinplate DOT 2Q can with a 17.5oz. fill. Another is the Blue Magic Carpet, Stain & Spot Lifter for home and auto use. The Blue Magic Co. (Claburne, TN) offers it in a large can from DS Container with a 22oz. fill. The can has an attractive foil label and a trigger spray head. A glass cleaner with a novel approach is marketed by ITW Global Brands (Houston, TX). The 2-in-1 Rain-X product uses water-beading technology to leave an invisible hydrophobic film on windshields. The streak-free and drip-free glass enhances driving visibility. The fill is 18oz. Windshield De-Icers One leading de-icing product is Prestone Ice & Frost Shield, developed by the Union Carbide Corp., and now marketed by Prestone Products Corp. (Danbury, CT). The large 211-diameter two-piece DOT-2Q container holds a 17oz. fill. The formulation includes methanol, ethylene glycol, water and compressed gas. The label promises that customers “may never need to scrape again.” Technically, methanol is the most effective de-icer known. The ethylene glycol is used to prevent re-freezing of the melted ice when most of the methanol has run down or evaporated. The water content is mainly based on a finding that it accelerates the de-icing rate. De-icer products always use about 3.2% of either CO2 or N20, since hydrocarbons and other liquid propellants would lose most or all of their pressure at below-freezing temperatures. The gases are usually injected backwards through the valve using either in-line or rotary gasser-shaker machines. The amount is controlled by adjusting inlet gas pressure, shaking frequency and magnitude, head space volume and shaking time. In some cases instantaneous injection gassing (IIG) may be utilized, provided the kinematic (Zahn) viscosity is low enough, the head space is large enough and other conditions are met. N2O is often preferred, although its endothermic instability has caused filling problems. CO2 generates carbonic acid (H22CO3) with water, causing corrosion potentials unless inhibitors are added or a polyethylene terephthalate (PET) laminated container is used.
Spray April 2015
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