Blue Water Marine Bottom Protect Primer

Safety Data Sheet – Activator      Technical Data Sheet

Safety Data Sheet – Base

Suggested Uses: Barrier Coat on Fiberglass and for Metal Priming
Colors: Gray
Finish: Matte
Vehicle Type: Modified Epoxy
Solids By Volume: 45% +/- 1.0%
VOC Content: 330 grams/liter
Weight per Gallon: 11.0 +/- 0.2 pounds (mixed product)
Recommended Dry Film Thickness: 10 mils
Coverage: Approximately 72 square feet per gallon at 10 mils DFT
Pot life: 4 - 6 hours
Shelf Life: 24 months
Average Dry Time: Drys to touch in 4 - 6 hours at 75° F. Can be overcoated with itself or other epoxy primers and most antifouling paints.
Recommended Reducer: For spray application use Thinner 975 For roller or brush applications use Thinner 974 or 976
Cleaning: Use Thinner 975 or 976 or Naptha
Recommended Finish: Various depending on the service intended.

Safety Data Sheet     Technical Data Sheet
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Surface Preparation: Surface must always be clean, dry, and properly prepared prior to painting. Failure to do so will lead to eventually blistering and/or peeling. High-pressure freshwater clean and allow to thoroughly dry prior to painting.
General Application: Primarily for use as a high build barrier coat primer on sanded fiberglass but can also be used as a general-purpose primer on metal surfaces. Apply by spray, roller, or brush. If thinning is desired, see above. Add up to 10-15% by volume for spray, 5-7% for roller or brush. Apply additional coats if needed to meet dry film thickness requirements.
Allow 20-30 minutes induction time after the Converter is added and before adding any thinner.
Mixing and Thinning: Shake or mix each component thoroughly. Add the Converter Component to the Base Component and stir thoroughly. Continue to stir while using.
Induction Time: 20-30 Minutes at 70-75 deg. F, longer at lower temperatures
Existing Painted Surfaces: First, ensure the existing surface is compatible with a two-component epoxy and if acceptable, thoroughly roughen the surface with 80-120 grit sandpaper to provide sufficient tooth for maximum adhesion. Wipe off sanding dust with Thinner 974 or 975, allow to dry, and apply the first coat of Bottom Protect.
Bare Fiberglass: Thoroughly remove any surface contaminants or mold release agents using 973 Dewaxer. Read and follow instructions carefully. Sand surface to a matte finish using 80 grit sandpaper. Remove sanding dust with any of the following thinners, 973 Dewaxer, 974, or 975, allow to dry, and apply the first coat of Bottom Protect.
Bare Metal Surfaces: Steel - Sandblast with standard angular grit media to a blast profile of 1.5-2.0 mils. Remove blasting dust and apply two or three coats of Bottom Protect. Allow to properly cure and apply antifouling paint or top side finish.

Bare Aluminum: Sandblast with a non-metallic media to a blast profile of 1.5-2.0 mils and proceed as above. If blasting is not practical, grind the surface with a disc sander and a 36-60 grit wheel. Remove grinding dust and apply one or two coats of Blue Water Strontium Chromate Epoxy Primer followed by two coats of Bottom Protect and then the appropriate antifouling paint or top side finish.

VERY IMPORTANT: Application of antifouling over Bottom Protect Primer is critical.
Antifouling may be applied directly over the Bottom Protect Primer by using the “thumb print” method. Touch the Bottom Protect Primer film with your thumb – if the paint does not get on your thumb but is tacky and you can make a thumbprint, you are properly in the “overcoat window.” You can then apply antifouling paint. If the paint gets on your thumb, it is too soon to recoat with antifouling paint. If you can’t leave a thumbprint, you have missed the "overcoat window" & MUST sand with 80 grit sandpaper or apply another coat of Bottom Protect Primer and then recoat as above. For Vinyl antifouling overcoat times, contact Blue Water directly.