646 Metal Dura Easy On
Quartz Ceramic Coating
646 offers high water and dirt repellency linked with high durability against mechanical wear on synthetic or metallic surfaces. Inorganic groups give 643 Dura Easy On perfect adhesion to the substrate and a pencil hardness of 9H.

Car Coatings
646 Metal Dura Easy OnQuartz Ceramic Coating
646 offers high water and dirt repellency linked with high durability against mechanical wear on synthetic or metallic surfaces. Inorganic groups give 643 Dura Easy On perfect adhesion to the substrate and a pencil hardness of 9H.





















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Frequently Asked Questions
What is a Quartz Ceramic coating?
Our 7640 Q² Quartz Ceramic Coating Coating is a glass like coating based on silanes. The coating can be applied as either a thick layer of approximately 10 microns on to surfaces which are not highly reflective or the coating can be applied and then buffed thus reducing the coating thickness to approximately two microns. This latter procedure is normally used in the auto sector. The coating is neither paint, wax nor a sealant, and cannot flake off or be washed off. The coating forms a durable (“covalent”) bond with the paint, and it can only be removed by strong abrasive forces. The coating cannot be dissolved by standard chemicals which are commonly used in the auto sector. The coating provides a highly glossy appearance but like all surface abrasion will eventually impact on the coating. The useful life of the coating will depend on the amount of abrasion that the surface is subjected to.
What is 9H?
We use the familiar “pencil hardness” to describe the hardness of a layer. The measuring range is between 6B (smoothest) and 9H (hardest). The Auto and Aerospace 9H Ceramics Coating achieves a hardness grade of 8H (drying at indoor temperature) up to 9H (heat drying).
The hardness of a coating is measured when the coating is applied to a metal test bed. If the coating is applied to a soft painted surface the hardness of the coating will remain constant, but the underlying soft painted surface and the coating can be distorted if point loading pressure is applied.
Insights: Permanent Protector Hardeness (pdf)
Downloads
Product Sheet: 643 Metal Dura Easy On (pdf)

Properties
Strong dirt and water repellency
Noticeable improvement of paint hardness
Lifetime/longevity up to 48 months
Protection against bird droppings
Protection against micro-scratches caused by car washes
Protection against small gravel impact
Protection against colour loss of the car
Ceramic / hybrid based substances
Based on Silicon, with Hydrogen and Nitrogen bonding
Pencil hardness up to 9H (harder than car paint)
Room temperature curing or heat curing possible
Permanent easy-to-clean effect
Transparent, virtually invisible
Strong chemical bonding
Usable as an anti-graffiti coating
Barrier properties
Simple application (wipe or spray application, dipping is not recommended)
Contact angle 105°
Layer thickness: 1 μm
Material consumption for an entire car, approx. 35-50 ml
Resistance
High temperature-resistance up to 600 °C
Corrosion inhibiting characteristics
Outstanding UV/weather-, abrasion and chemical resistance
Withstands strong acid and domestic grade alkalines
Chemically inert
Stain guard against acid (pH 2 to 12,5)
Container Sizes
646-50: 50 ml bottle
646-100: 100 ml bottle
646-1: 1000 ml bottle



