The Paint Manual - Hempel

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Temperature and humidity Our paints are very tolerant to varying conditions. <strong>The</strong> drying/curing and re-coating times we give in this guide are (unless otherwise stated) based on: • temperatures of 10oC and 20oC • relative humidity (RH) of 60–65% • a well ventilated working area. Temperature You may need to adjust these drying/ curing times depending on the conditions. As a guide: • double drying/curing times for a drop of 10oC • halve drying/curing times for a rise of 10oC • adjust accordingly between these temperatures. Remember that paint properties change with temperature variation. At lower temperatures, paint thickens so may need thinning. Always note correct/ maximum thinner ratios, and take care not to add more than is recommended. Avoid painting above recommended maximum temperatures, as the faster drying/curing rates reduce the paint’s flowing properties, and this can result in visible application marks. This can also happen if you paint in direct sunlight, where the surface has a much higher temperature than the surrounding (ambient) temperature. Check minimum application temperature of the paint you are using as the paint will not cure below it, resulting in poor film formation, poor adhesion between coats and unsatisfactory gloss finishes. Relative humidity Ideally, relative humidity should not be above 65%. (You can measure humidity with a hygrometer.) A good test is to moisten the surface to be painted. If it dries within 10–15 minutes it should be okay to paint. Key Advice: Do not paint outdoors too early or too late in the day, when there’s a risk of condensation or dew. 5 Preparing to paint
6 Personal protection Personal protection Ensure you wear suitable protective clothing, including gloves and glasses. Read labels carefully and follow all application and health & safety advice. Open cans with care. Don’t eat or drink in the vicinity of stored or applied paint. Eyes Breathing Hands Hands What are the hazards Chemical splash, dust, paint particles and droplets, projectiles, vapour. Breathing dust, vapour, fumes, aerosols, oxygendeficient atmospheres, paint particles. Abrasion, cuts and punctures, impact, chemicals, solvents, liquid paints, skin infection. Dust, dirt, oil and grease, paint particles. <strong>The</strong> equipment to use Safety spectacles, goggles, face shields, visors. Short term filtering mask against dust while sanding. Half facemask for sanding and painting, can be disposable or with replaceable filter cartridges. Full air feed facemask for spray painting. Leather gloves, latex gloves, armlets. Barrier cream: short term protection. Cleaning cream: designed to remove contaminates and cause least skin damage. Maintenance cream: to help restore the skin’s natural protective layers.
Page 2 and 3: Contents Thank you for choosing Hem
Page 4 and 5: Preparing to paint • Planning the
Page 8 and 9: Hearing Body Feet Head What are the
Page 10 and 11: 2. Cleaning and degreasing Good sur
Page 12 and 13: Wet Abrading Due to the lubricating
Page 14 and 15: Application methods and tools There
Page 16 and 17: An important part of choosing the r
Page 18 and 19: Painting advice and specifications
Page 20 and 21: Fill along boottop Fairing any defe
Page 22 and 23: Repainting all substrates Maintaini
Page 24 and 25: Painting substrates Glassfibre Glas
Page 26 and 27: Ferrocement Ferrocement is a specia
Page 28 and 29: Steel - single pack/conventional Pr
Page 30 and 31: Varnishing wood Wood is a naturally
Page 32 and 33: Wood - single pack system/conventio
Page 34 and 35: Wood - varnish Product No of coats
Page 36 and 37: Keels Keels are made from steel, ca
Page 38 and 39: Outdrives Product No of coats Recoa
Page 40 and 41: Osmosis • What is osmosis and how
Page 42 and 43: Osmosis protection When to use an o
Page 44 and 45: Osmosis treatment When to use an os
Page 46 and 47: Using Gel/High Protect How to apply
Page 48 and 49: Our products • Primers and underc
Page 50 and 51: Antifouling Primer A single compone
Page 52 and 53: SUBSTRATE SUBSTRATE PRIMERS Glassfi
Page 54 and 55: Antifoulings and bottom coats Fouli
Page 56 and 57:
Applying antifouling Applying Hard
Page 58 and 59:
Tiger Xtra Self polishing, erodible
Page 60 and 61:
What antifouling should I use? Type
Page 62 and 63:
MultiCoat A single component semi-g
Page 64 and 65:
Dura-Gloss Varnish/Dura-Satin Varni
Page 66 and 67:
Thinners It’s important you only
Page 68 and 69:
Clean & Shine Concentrated wash and
Page 70 and 71:
RIB Clean Powerful, concentrated, s
Page 72:
Mildew Remover An easy-to-use produ
Page 75 and 76:
74 Calculating areas to be overcoat
Page 77 and 78:
76 Health and safety Health and Saf
Page 79 and 80:
78 Trouble shooting Fault Causes Wh
Page 81 and 82:
80 Technical terms Levelling Abilit
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The Paint Manual - Hempel

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