How to Apply VC Tar Application Data

The information provided here has been reproduced courtesy of Interlux Paint Company. Wholesale Marine reproduced this information 2/10/2008

PRODUCT DESCRIPTION

VC Tar2 is a 2-component epoxy primer providing osmosis protection to GRP boats and anticorrosive protection to steel and alloy surfaces. For use below water only.

  • Self-levelling to give an excellent finish
  • Easy to apply - overcoatable within hours
  • No sanding required between coats
  • Offers excellent barrier to water for osmosis protection and treatment
  • Ideal primer base for all VC antifoulings

PRODUCT INFORMATION

Colour YEA729-Black
Finish Semi-gloss
Specific Gravity 1.18
Volume Solids 60.5%
Mix Ratio 7:1 by volume (as supplied) , Converter/Curing Agent - YEA730
Typical Shelf Life 2 yrs
VOC (As Supplied) 352 g/lt
Unit Size 1 US Quart

DRYING/OVERCOATING INFORMATION

Drying

41F 59F 73F 95F
Touch Dry [ISO] 6hrs 4hrs 2hrs
Pot Life 24hrs 12hrs 8hrs 4hrs

Overcoating

Substrate Temperature
41F 59F 73F 95F
Overcoated By Min Max Min Max Min Max Min Max
VC 17m nbsp24hrs nbsp14days nbsp10hrs nbsp7days nbsp8hrs nbsp4days nbsp6hrs nbsp3days
VC Tar2 nbsp6hrs nbsp10days nbsp3hrs nbsp6days nbsp2hrs nbsp3days nbsp2hrs nbsp3days
Note:Overcoating times have changed compared to VC Tar. If maximum overcoating times are exceeded, lightly sand the surface before overcoating.

APPLICATION AND USE

Preparation BARE FIBERGLASS: Begin by scrubbing well using soap and water and a stiff brush. Rinse with fresh water and allow to dry. Wipe a small area with a clean rag that has been wetted with Fiberglass Solvent Wash 202. While the surface is still wet, wipe with a clean, dry rag. Continue this process until the entire surface has been cleaned. Abrade with 80-120 grade (grit) paper. Wipe with Fiberglass Solvent Wash 202. Sand with 80 grade (grit) paper. Remove sanding residue.

OSMOTIC BLISTER REPAIR: 1. Remove all antifouling paint from the bottom of the boat and open all blistered areas either by physical grinding or by professionally sandblasting. Complete removal of the gelcoat is not necessary, provided the remaining gelcoat is solidly attached to the underlying laminate. 2. Scrub the entire underwater surface with fresh water and rinse clean to dilute/neutralize any fluid in the surface voids. 3. Grind out any blistered areas which are not solid laminate. 4. Allow hull to dry as long as possible to ensure all water and water absorbing materials have left the hull. If unsure the hull is dry, allow more time. Apply Interprotect 1000/1001 to all areas that have been blistered, cracked or the gelcoat removed. Apply Interprotect Watertite. Sand smooth.

BARE METAL: Blast to near white metal surface (Sa 2.5). Immediately apply Viny-Lux Primewash 353/354 thinned 25% with Viny-Lux Solvent 355. Allow to dry for 1-24 hours.
Method For optimum flow, apply paint 15 mins to 4 hours after mixing. Apply 5-7 coats on bare fiberglass, blistered fiberglass and all metals.

Hints

Mixing Stir contents of each part prior to mixing. Pour Curing Agent (in can under hat) into Base and stir well. Wait a minimum of 15 mins for the air bubbles to disperse. Mix ratio is 7:1 by volume, as supplied.

Thinner Brush Thinner 2333N. Spray - Reducing Solvent 2316N.
Thinning Up to 5% thinner may be used to ease application.
Cleaner Bare Fiberglass - Fiberglass Solvent Wash 202. Equipment cleaner: Brush Thinner 2333N.
Airless Spray Pressure: 210 bar/3045psi Tip Size: 1580-2180.
Conventional Spray Pressure Pot: Pressure: 3.44-4.08 bar/50-60 psi (gun pressure), pot pressure 10-15 psi. Tip Size: 1.8-2.2 mm/70-85 thou.

Other VC Tar2 takes 5 days to cure fully and the surface may not be scratch resistant until then. Launch the boat according to the recommended launch time of the antifouling applied. Sanding may be required in a dusty environment.

Some Important Points Follow drying times carefully or cracking may occur. Do not use below 5C. Do not apply when there is a chance of condensation forming on the substrate. Do not use above the waterline. Do not apply more than one coat in any 24 hour period if the temperature is below 13C/55F. Product temperature should be minimum 5C/40F and maximum 35C/95F. Ambient temperature should be minimum 5C/40F and maximum 35C/95F. Substrate temperature should be minimum 1C above dew point and maximum 35C.

Compatibility/Substrates For use on fiberglass and metals. Apply to clean, dry, properly prepared surfaces only. For use below the waterline only.

Number of Coats 5-7.

Coverage (Theoretical) - 460 (ft/Gal)

Recommended DFT 2.0 mils dry

Recommended WFT 3.1 mils wet

Application Methods Brush, Roller, Conventional Spray, Airless Spray

TRANSPORTATION,STORAGE AND SAFETY INFORMATION

GENERAL INFORMATION:

Exposure to air and extremes of temperature should be avoided. For the full shelf life of VC Tar2 to be realised ensure that between use the container is firmly closed and the temperature is between 5C/40F and 35C/95F. Keep out of direct sunlight.

TRANSPORTATION:

VC Tar2 should be kept in securely closed containers during transport and storage.

Safety DISPOSAL: Do not discard tins or pour paint into water courses, use the facilities provided. It is best to allow paints to harden before disposal.

Remainders of VC Tar2 cannot be disposed of through the municipal waste route or dumped without permit. Disposal of remainders must be arranged for in consultation with the authorities.

GENERAL:

Read the label safety section for Health and Safety Information, also available from our Technical Help Line.

IMPORTANT NOTES

The information given in this sheet is not intended to be exhaustive. Any person using the product without first making further written enquiries as to the suitability of the product for the intended purpose does so at their own risk and we can accept no responsibility for the performance of the product or for any loss or damage (other than death or personal or injury resulting from negligence) arising out of such use. The information contained in this sheet is liable to modification from time to time in the light of experience and our policy of continuous product development.

Interlux and International are registered trademarks of Akzo Nobel.