Sunday, September 05, 2010

The Vetrocolour coating has been subjected to the following independent testing.

  Introduction
Test panels measuring approximately 100 x 100mm coated on one side with a factory applied, A.D.S. material with a gloss level of about 65% were submitted for testing.
The colours submitted were: Black, Red, White and Yellow.
Where elevated temperatures were employed in the test programme, panels measuring approximately 300 x 100mm were provided which had been toughened prior to coating.
The appearance of the coating on each panel was that it was a smooth and hard texture.
  Tests Results
Adhesion
Dry adhesion tests were carried out on all panels in accordance with AS 3715:1989. All panels passed.
Wet Adhesion
Cross hatch adhesion testing was carried out on panels exposed to the Permeability Test, and in the wet phase. All panels passed.
Permeability
All 4 colours were exposed to continuous heat for 2 hours while immersed in deionised distilled water maintained at a constant pressure of 100 kPa in accordance with AS 3715: 1989. All panels passed. No change was observed.
Resistance To Heat
An air-forced temperature of approximately 500°C was applied to the coating from a distance of 100mm for a continuous period of 5 minutes. There was no evidence of blistering or discolouration. The coating remained hard and maintained its integrity with the toughened glass substrate.
There was no noticeable loss of gloss.
Resistance To Heat: Slow Cooling
Panels were heated in an oven at a constant temperature of 250°C, maintained for 4 hours in accordance with AS 1580.407.1 (paints and related materials, methods of test). After cooling for 2 hours, the samples exhibited no blisters or delamination.
Resistance To Heat: Thermal Shock
Panels were heated in an oven, the temperature was held at a constant 250°C for 4 hours, immediately following which the panels were plunged into cold water (AS 1580.407.2) The panels exhibited no blistering or delamination. A slight change in colour was evident.
Acid Resistance
Panels were immersed in a 10% sulphuric acid solution for 24 hours at room temperature. No change was apparent.
Alkali Resistance
Panels were exposed to 0.1N Sodium Hydroxide for 24 hours at room temperature. There was no change in the appearance of the coating at the conclusion of this test.
Boiling Water Resistance
Panels were immersed in boiling deionised water for 30 minutes. There was no change in the appearance of the coating.
Accelerated Resistance To UV Light
Panels of all colours (Black, Red, White and Yellow) were subjected to 500 hours accelerated exposure to UV light in a QUV Fadeometer. There was no change in the appearance of the coating.
Humidity Resistance
Panels were exposed to 85% humidity at 60°C for a period of 96 hours. There was no change in the appearance of the coating.