petroleum distillates
06-07-2004, 07:51 AM
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petroleum distillates
my polish uses petroleum distillates, is this bad for the paintwork? reason i ask is because cutting compounds like T-cut use petroleum distillates.
abtex
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06-07-2004, 01:17 PM
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Re: petroleum distillates
Originally posted by abtex
my polish uses petroleum distillates, is this bad for the paintwork? reason i ask is because cutting compounds like T-cut use petroleum distillates.
abtex
my polish uses petroleum distillates, is this bad for the paintwork? reason i ask is because cutting compounds like T-cut use petroleum distillates.
abtex
06-09-2004, 01:12 PM
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Petroleum Distillates / Silicone 101
~One man’s opinion / observations ~
Petroleum distillates:
The chemical structure of the hydrocarbon largely defines the nature and behaviour of these compounds. Petroleum distillates are a group of hydrocarbon-based chemicals that are refined from crude oil. Petroleum
Distillates include gasoline, naphtha, mineral spirits, kerosene, paraffin wax, and tar.
They are the primary ingredient in many consumer products, including certain furniture polishes, paint solvents, adhesives, and automotive chemicals.
Because petroleum distillates can be further purified, re-distilled, reacted and combined with various other chemicals to produce a wide range of safe and useful products. In spite of the ability to re-distil and remove any harmful components this is rarely done in the automotive industry. While some petroleum distillates can be very dangerous, others are very safe.
To group all petroleum distillates into one category and label them harmful or dangerous would be both unscientific and without foundation (see also Silicones)
Silicones:
Silicones are primarily used to modify or improve certain characteristics; they are sometimes added as a lubricant to provide spread ability thereby making a product easier to apply. Silicone is a chemical polymer that can be engineered to enhance exceptional water repellence, gloss, slipperiness and bonding properties, Silicones are inert, and are commonly used in automotive products to enhance gloss, make product application and removal easier and improve durability, the functions in a formula that silicone is superior to than any other single ingredient. They can however affect surface adhesion when applying fresh paint to panels that have not been properly cleaned/prepared, causing "photo spotting"
(Something termed as ‘fisheye’), but as far as car care goes, that's about it.
Silicone has some good and even necessary traits that enhance rubber, plastic and vinyl, at least when it’s the “good Silicone”, Polydimethylsiloxane (PDS). Is water-based, dries to a non-oily hard surface, and doesn’t migrate the plasticizers from the material, less absorption of UV rays and non-dust attracting.
Chemists also use silicones to create water-in-oil emulsions, reduce emulsion particle size, to stabilize emulsions, and to improve spreading and coverage of wax products. Most modern silicone formulas are water soluble (no oil or petroleum), and are completely inert, this usually results in a matte finish, as opposed to a slick shiny surface. The best way to describe most forms of silicone is to think of it as a man-made wax ester. All good attributes, but the PDMS silicones tend to be more expensive.
A water-in-oil emulsion Silicone is part of the protective system in paint and helps the paint look better and provides better durability. This type of Silicone doesn’t harm paint, or anything it is formulated into, especially wax or sealant coatings. Without properly blended silicones, waxes would be difficult to apply and would not have the high gloss and radiance we enjoy.
The “bad Silicone” Dimethyl Silicone (DS) is oily; migratory and it pulls the plasticizers from the plastic/vinyl. Plasticizers are what give elasticity and colour to these materials), attracts dust, contains petroleum distillates which give the “oily “ feel, and can actually cause degradation of some rubber compounds in tires with sun interaction, removing “micro-wax” and the oils that all tire manufacturers put in their tyres.
Silicone has gained such a bad reputation because products contained the Dimethyl Silicone, as well as high solvent content. It is an inexpensive to produce, in part because the Dimethyl silicone is cheaper to produce than the PDMS.
Ever get in a car that had a real oily, sticky finish to all the plastic and vinyl, even leather? It’s because of Dimethyl Silicone. It also removes the carbon black from tires, the pigment that gives a tire its colour. The other thing of serious detriment with Dimethyl is how they sling off tires and permanently stains paint, a process called "photo-spotting" (especially noticeable on lighter coloured paint). There are still products out there that use Dimethyl; unfortunately, the manufacturer doesn’t typically list it on the label. You have to call them to get the facts.
~Hope this helps~
Experience unshared; is knowledge wasted…/ Jon
justadumbarchitect * so I question everything *
Petroleum distillates:
The chemical structure of the hydrocarbon largely defines the nature and behaviour of these compounds. Petroleum distillates are a group of hydrocarbon-based chemicals that are refined from crude oil. Petroleum
Distillates include gasoline, naphtha, mineral spirits, kerosene, paraffin wax, and tar.
They are the primary ingredient in many consumer products, including certain furniture polishes, paint solvents, adhesives, and automotive chemicals.
Because petroleum distillates can be further purified, re-distilled, reacted and combined with various other chemicals to produce a wide range of safe and useful products. In spite of the ability to re-distil and remove any harmful components this is rarely done in the automotive industry. While some petroleum distillates can be very dangerous, others are very safe.
To group all petroleum distillates into one category and label them harmful or dangerous would be both unscientific and without foundation (see also Silicones)
Silicones:
Silicones are primarily used to modify or improve certain characteristics; they are sometimes added as a lubricant to provide spread ability thereby making a product easier to apply. Silicone is a chemical polymer that can be engineered to enhance exceptional water repellence, gloss, slipperiness and bonding properties, Silicones are inert, and are commonly used in automotive products to enhance gloss, make product application and removal easier and improve durability, the functions in a formula that silicone is superior to than any other single ingredient. They can however affect surface adhesion when applying fresh paint to panels that have not been properly cleaned/prepared, causing "photo spotting"
(Something termed as ‘fisheye’), but as far as car care goes, that's about it.
Silicone has some good and even necessary traits that enhance rubber, plastic and vinyl, at least when it’s the “good Silicone”, Polydimethylsiloxane (PDS). Is water-based, dries to a non-oily hard surface, and doesn’t migrate the plasticizers from the material, less absorption of UV rays and non-dust attracting.
Chemists also use silicones to create water-in-oil emulsions, reduce emulsion particle size, to stabilize emulsions, and to improve spreading and coverage of wax products. Most modern silicone formulas are water soluble (no oil or petroleum), and are completely inert, this usually results in a matte finish, as opposed to a slick shiny surface. The best way to describe most forms of silicone is to think of it as a man-made wax ester. All good attributes, but the PDMS silicones tend to be more expensive.
A water-in-oil emulsion Silicone is part of the protective system in paint and helps the paint look better and provides better durability. This type of Silicone doesn’t harm paint, or anything it is formulated into, especially wax or sealant coatings. Without properly blended silicones, waxes would be difficult to apply and would not have the high gloss and radiance we enjoy.
The “bad Silicone” Dimethyl Silicone (DS) is oily; migratory and it pulls the plasticizers from the plastic/vinyl. Plasticizers are what give elasticity and colour to these materials), attracts dust, contains petroleum distillates which give the “oily “ feel, and can actually cause degradation of some rubber compounds in tires with sun interaction, removing “micro-wax” and the oils that all tire manufacturers put in their tyres.
Silicone has gained such a bad reputation because products contained the Dimethyl Silicone, as well as high solvent content. It is an inexpensive to produce, in part because the Dimethyl silicone is cheaper to produce than the PDMS.
Ever get in a car that had a real oily, sticky finish to all the plastic and vinyl, even leather? It’s because of Dimethyl Silicone. It also removes the carbon black from tires, the pigment that gives a tire its colour. The other thing of serious detriment with Dimethyl is how they sling off tires and permanently stains paint, a process called "photo-spotting" (especially noticeable on lighter coloured paint). There are still products out there that use Dimethyl; unfortunately, the manufacturer doesn’t typically list it on the label. You have to call them to get the facts.
~Hope this helps~
Experience unshared; is knowledge wasted…/ Jon
justadumbarchitect * so I question everything *
