3M™ Scotchkote™
WB Polymeric Coating LG 602
Data Sheet and Application Guide
Properties
Product Description
Property
Value
Scotchkote WB Polymeric Coating LG 602 is a water based
polymeric coating specifically developed as an encapsulation
coating for insulation materials to prevent moisture ingress.
Property
Value
Colour
White.
Product Features
Touch Dry
1 hour
• Combines good application characteristics with fast
drying capabilities.
Minimum Overcoating
24 hours
Maximum Overcoating
Indefinite provided surface
is clean
Volume Solids
60%
• Can be applied directly to most insulation surfaces without
the need of a primer.
• Outstanding weather and UV resistance.
• Also suitable for Asbestos Encapsulation.
• Fire Performance (Applied at recommended dft) -Tested to
IMO Fire Test Procedures Code, Annex 1 Part 5 and
Part 2. Complies
• With the applicable Lloyd’s Register Rules and Regulations
and with the International Convention for the Safety of Life
at sea, (SOLAS), 1974.
Drying & Cure times at 20°C (68°F)
V.O.C (As Supplied)
Nil
Film Thickness (Typical)
Wet 100 microns.
Dry 50 microns
Theoretical Coverage Rate
8sq metres per litre at 75
microns dft.
Vapour Barrier Coat
700 microns wet
420 microns dry
Breather Coat
330 microns wet
200 microns dry
Asbestos Encapsulation
600 microns wet
350 microns dry
Theoretical Coverage Rate
3m²/ litre at 330
microns wet
1.7m²/litre at 600
microns wet
1.4m²/litre at 700
microns wet
Water Vapour Permeability
0.0696
General Application Steps
1. Remove loosely adhering deposits.
2. Apply first coat of Scotchkote WB Polymeric Coating LG 602
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Application Procedures for 3MTM Scotchkote™ WB Polymeric Coating LG 602
Surface Preparation
Any broken or loose sections of insulation must be made good and
at least temporarily secured. Any exposed rusting steel must be
protected with Scotchkote WB Polymeric Coating LG 602 or similar
recommended alternative. Make all joints sound and gap free to
allow an even film build of the ScotchkoteTM WB Polymeric Coating
LG 602 system. Remove all loose dust, dirt by vacuum or similar
low dust method. Grease and oil should be cleaned up from all
surfaces with an effective industrial detergent and rinsed clean.
Priming Adjacent Areas
Adjacent areas of brick, concrete, non ferrous metal or previously
coated surfaces should be primed with 3MTM ScotchkoteTM WB
Epoxy Primer GP 830. Primer in accordance with the product tech
sheet. Steel surfaces should be primed with 3MTM ScotchkoteTM
Epoxy Primer MC 145. Bituminous surfaces and porous surfaces
such as asbestos should be primed with 3MTM ScotchkoteTM PolyTech BP Primer 656.
Application Procedures
Sprayed Asbestos Encapsulation
Airless spray is the preferred method of application. See airless
spray section for further details.
Thermal Insulation Use clean water to dampen the insulation
surface. This ensures good adhesion of the following application
of Scotchkote WB Polymeric Coating LG 602. Where a diluted
Scotchkote WB Polymeric Coating LG 602 layer is preferred to
“wet down” the insulation surface - then an equal volume of clean
water should be added to Scotchkote WB Polymeric Coating LG 602
stirring continuously until fully incorporated.
Applying Scotchkote WB Polymeric Coating LG 602
with Reinforcing
First apply Scotchkote WB Polymeric Coating LG 602 to the surface
as a smooth, even spray coat. Whilst still wet bed in the 3MTM
ScotchkoteTM WB Polymeric Coating LG 602 Reinforcing, avoiding
creasing.
Use either a spiral wrapping technique or a longitudinal lay and
overlap. Overlaps should be ½”-1” (1-2 cms). As far as is possible
contours should be closely followed and areas of difficult access
can be mirror inspected to ensure full wetting of the reinforcing.
Check that coverage rate is in accordance with guidelines given.
Applying Final Layer of Scotchkote WB Polymeric
Coating LG 602
Once the first coat of Scotchkote WB Polymeric Coating LG 602
surface is dry, apply the final layer of Scotchkote WB Polymeric
Coating LG 602, again taking special note of the coverage rate.
If the Scotchkote WB Polymeric Coating LG 602 Reinforcing has
not been used (sprayed asbestos ceilings, walls for example) then
a third layer of Scotchkote WB Polymeric Coating LG 602 will be
necessary to ensure adequate film build.
Airless Spray:
Airless spray application is the preferred method of applying
Scotchkote WB Polymeric Coating LG 602 on very loose, powdery
surfaces, such as sprayed asbestos or similar.
Dilute the Scotchkote WB Polymeric Coating LG 602 with up to 20%
clean water by volume, equivalent to 4 litres clean water, added
slowly with constant stirring to a 20 litre quantity of Scotchkote WB
Polymeric Coating LG 602
A typical Airless Spray Set-Up would be:
32:1 pump / 18-20 thou tip, with a minimum pressure of 2000
psi at the tip.
Packaging and Storage
Supplied in 20 litre units.
Use within 2 years of purchase. Store in original sealed containers
at temperatures between 5°C and 32°C.
ALWAYS PROTECT FROM FROST DURING STORAGE AND USE
Handling and Safety Precautions
Ordering Information/Customer Service
Read all Health Hazard, Precautionary and First Aid,
Material Safety Data Sheet, and/or product label prior to handling or use.
For ordering, technical and product information or to request a copy of the
Material Safety Data Sheet, call +44 (0)1609 780170 or fax +44 (0)1609
783762 (Sales) or 788718 (Technical).
3M and Scotchkote are trademarks of 3M Company.
For emergencies, please contact +44 (0)1344 858000.
Important Notice
All statements, technical information and recommendations are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using
the 3M™ Scotchkote™ Product, you must evaluate it and determine if it is suitable for your intended application. Because conditions of product use are outside of 3M control’s
and vary widely you assume all risks and liability associated with such use. Any product related statements not contained in current 3M publications, or any contrary statements
contained in your purchase order, shall have no force or effect unless expressly agreed to in writing by an authorised officer of 3M.
Warranty; Limited Remedy; Limited Liability.
3M warrants that the 3M™ Scotchkote™ Product will conform to 3M published specifications upon shipment. If the product is proven not to have met the specifications your
exclusive remedy within 12 months of sale by 3M of the product and 3M’s sole obligation will be, at 3M’s option, to replace the Product or to refund the purchase price of the Product.
Except where prohibited by law, this warranty is made in lieu of all other warranties, express or implied, including, but not limited to, any implied warranty of suitability or fitness for
a particular purpose, or those arising from a course of dealing, custom or usage or trade.
3M has no obligation under this warranty with respect to any product that has failed due to inadequate or improper storage, handling, surface preparation, application, or
maintenance; failure to follow product instructions or recommendations or alteration or damage to the Product caused by accident, neglect, or misuse. OTHER THAN IN THE CASE
OF DEATH OR PERSONAL INJURY CAUSED BY ITS NEGLIGENCE AND EXCEPT WHERE PROHIBITED BY LAW, IN NO EVENT SHALL 3M BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,
INCIDENTAL OR CONSEQUENTIAL LOSS OR DAMAGES (INCLUDING LOST PROFITS) ARISING FROM THIS PRODUCT, REGARDLESS OF THE LEGAL THEORY ASSERTED.
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Infrastructure Protection Division (IsPD)
3M United Kingdom plc
23 Standard Way Industrial Estate
Northallerton
North Yorkshire DL6 2XA
United Kingdom
Phone: +44 (0)1609 780170
Fax: +44 (0)1609 780438
www.3M.co.uk/scotchkote
Infrastructure Protection Division (IsPD)
3M United Kingdom plc
3M Centre
Cain Road, Bracknell
Berkshire RG12 8HT
Phone: 01344 858000
Fax: 01344 857970
www.3M.co.uk
Please recycle. Printed in UK.
© 3M 2013 All rights reserved.
LG602-0113