LOW VOC DEF 80 - 161 TWO PACK EPOXY COATING SYSTEM

IP Code No - IP 2 - Range Interim data sheet 8/7/1998

The IP2 system of coating is a combination of 3 systems which can be used individually, or all three for total maximum protection. Each of the 3 individual "layers" are stand alone products in their own right. All three are two part, air drying products as follows:

a) Pretreatment etch (or wash) primer BSX 32, 
b) Epoxy Strontium Chromate Primer BS2X 33 1998
c) 2 Part Air Drying Epoxy Finishes

2 Part air drying epoxy finish for interior and exterior use. Used by Rolls Royce as both a decorative and protective coating, eg. Matt Black on fan frame composite casings, and an air drying marking paint. Initially available in the range of colours and finishes listed, this range will probably be increased to comply with customer demand. Resistant to abrasion, corrosion and most aircraft operating fluids and chemical, this range is also used for painting instruments and touching up our Textron grey stoving, and Pratt and Whitney Canada stoving engine systems.

The system has been designed to reduce confusion and therefore the least number of catalysts and thinners have been incorporated. The mixing ratios of base to catalyst may therefore vary. Released to DTD 5555, MSRR 9064, Def Stan 80-161, similar to MIL 22750, the range is approved by several other aerospace companies.

DTD 80-161 Has superceded DTD 5555, MSRR9064, BSX32, BS2X33 1998 type A & B, similar to Mil P 23377

(Designed to match RR stoving chromate primer)

Tested on magnesium, aluminium and steel to the following minimum specification. Actual performance will be in excess of the following:
Resistant to 100 hours salt water fog
Resistant to 100 hours dry heat at 180ºC
Resistant to 100 hours at 150ºC in lubricating oil
Resistant to 100 hours at 180ºC in dry heat
Resistant to 100 hours with engine fuel
After 7 days air drying, resistant to Skydrol for 3 hours 70ºC (160ºF)
Resistant to 10 cycles 4 hours at 150ºC (300ºF) 20 hours in salt water fog
Resistant to temperatures of down to at least -40ºC (-30ºF)

Prior to application of the Primer thorough cleaning of the substrate and the application of a conversion coating is vital, this can be the systems' 2 pack chromate etch primer or other process.

The full system process is as follows:

Applied by spray, but can be brushed. Pot life 8 hours.

Etch Primer - air dry for 1 hour prior to over coating.

Epoxy Primer - air dry for 4 - 16 hours prior to over coating or flash off for 30 minutes and then stove at 1251C for 1 hour.
If the primer has been applied more than 72 hours in advance of being over coated, the surface must be wet flatted with 320 grade paper and have an additional light coat of primer applied to ensure the best intercoat adhesion for the system.

Top Coats - Apply one double track coat to give a dry film thickness of 20-32 microns. Air dry for minimum 4 hours or flash off for 30 minutes and then stove at 1251C for 1 hour.

Full chemical protection is achieved after 7 days.

Health & Safety

Before use please request, our latest Health and Safety Data Sheet