POLYURETHANE PRIMER (TWO-PACK)

GENERIC TYPE :

Two Component

 

COMPOSITION :

Aromatic Polyurethane-based clear.

 

RECOMMENDED USE :

As penetrating primer for concrete and wood surface.

 

PHYSICAL CONSTANTS :

 

 

Color

Assorted Shades

Finish

Glossy/Semi Glossy/Matt

Solids by volume

40% +- 2%

Theoretical Spreading Rate

13.3 - 16 sq.mtr./ltr. at recommended D.F.T. on smooth and non absorbent surface.

Flash Point

Above 25 deg. C.

Drying Characterstics

DRY TO TOUCH : 1-2 hrs.
DRY TO HANDLE : 24 hrs.
FULLY CURED : 7days

Shelf Life

6 months (of individual component) - Stored under proper condition of temp. & pressure.

APPLICATION DETAIL :

 

 

Mixing Ratio (BY VOL.)

Base : Hardner- 9 : 1

Pot life

4-6 hrs. at 25 deg. C.

Application method

By Brush or By Spray

Thinner

Bluray PU Thinner

Recommended dry film Thickness

25 microns

Indicated Film Thickness

WET : 62.5 - 75 microns
DRY : 25 - 30 microns

Overcoating interval

MIN. : 8 hrs. MAX. : 24 hrs.

Compatibility

Can be top coated with Epoxy, PU, C.R. top coats.

SURFACE PREPARATION :

 

Concrete

 

New Concrete

Ensure that the concrete is cured for minimum three months. The surface is to be made rough and free from bacteria and other contaminants by sand sweeping.

Old Concrete

Remove all salt deposit from the surface by water jet washing. Light sand blast the surface to remove all loosely bound coatings and roughening up of firmly adherning coatings to ensure anchorage with recommended system. Ensure all dust / other particles are fully removed by suction on air blast and the surface is fully cleaned and dried before application of paints.

FILM PROPERTY CHEMICAL RESISTANCE :

 

EXPOSURES-SPLASH &SPILLAGE-FUMES

ACIDS

Fair

Good

ALKALITES

Good

Good

SOLVENTS

Good

Good

SALTS

Good

Good

WATER

Fair

Good

TEMPERATURE RESISTANCE :

CONTINUOUS : 93 deg. C.
INTERMITTENT : 120 deg.C.

WEATHERABILITY :

Very Good. Should be top coated for maximum durability

FLEXIBILITY :

Very Good

ABRASION RESISTANCE :

Good

Notes :

1

Do not apply when temperature falls below 10 deg. C. or rises above 50 deg. C. and when relative humidity rises above 90%. Do not apply during rain, fog and mist.

2

Brushes and spray equipment should be cleaned with Bluray's Thinner other-wise equipment is liable to be damaged.

3

Etch Primed steel work should not be exposed before being overcoated with priming / or finishing coat for added protection.

Pack Size :

20 Litres, 4 Litres