Increasing the Durability of Paint and Varnish Coatings in Building Products and Construction
eBook - ePub

Increasing the Durability of Paint and Varnish Coatings in Building Products and Construction

  1. 202 pages
  2. English
  3. ePUB (mobile friendly)
  4. Available on iOS & Android
eBook - ePub

Increasing the Durability of Paint and Varnish Coatings in Building Products and Construction

About this book

Increasing the Durability of Paint and Varnish Coatings in Building Products and Construction presents data and analysis on regularities in the appearance quality of protective and decorative coatings for building products and structures, also detailing the relationship between the resistance of coatings and the quality of their appearance. Developing a method for ensuring the quality of painted surfaces for building products and developing control methods is an important scientific, technical and economic problem. The conditions needed depend largely on the rheological properties of paint and the processes of wetting and application, with different variables for metal or concrete structures. - Presents data and methodological developments that increase the service-life of protective and decorative coatings - Details regularities in the appearance quality of protective and decorative coatings - Covers the relationship between coating resistance and appearance quality - Develops methods for ensuring the quality of painted surfaces - Considers the different variables for the application of paint to various surfaces of building products and structures

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Yes, you can access Increasing the Durability of Paint and Varnish Coatings in Building Products and Construction by Loganina Valentina Ivanovna in PDF and/or ePUB format, as well as other popular books in Technology & Engineering & Architecture Methods & Materials. We have over one million books available in our catalogue for you to explore.
1

Regularities for formation of the quality of the external appearance of coatings

Abstract

This chapter covers the results of evaluation of coatings on a cement substrate. The regularities of the formation of the quality of coatings are described. A model for assessing the quality of coatings on a cement substrate is proposed.

Keywords

Coatings; appearance quality; regularities of formation of quality; quality model

1.1 Evaluation of the quality of the appearance of paint and varnish coatings

Coatings for finishing facades with aesthetic protective functions must have a high-quality appearance. The quality of appearance refers to the presence of defects (inclusions, streaks, shagreen, strokes and scratches, waviness, variability) paintwork. The presence of defects on the surface of the paintwork determines the quality of appearance.
According to GOST 9.032-74 ā€œUnified system of protection against corrosion and aging for coatings for paint and varnish, groups, technical requirements and designations,ā€ there are seven classes of the quality of the appearance of coatings on a metal substrate defined as follows:
I classā€”no defects can be allowed for high-gloss, glossy, semi-glossy and semi-matt. For matt coatings not more than 4 inclusions per m2;
IIā€“VII classesā€”are possible weed or individual inclusions, taking into account their number (pcs/m2) depending on the length, width, diameter of the defect and the distance between them (mm),...

Table of contents

  1. Cover image
  2. Title page
  3. Table of Contents
  4. Copyright
  5. 1. Regularities for formation of the quality of the external appearance of coatings
  6. 2. Estimation of the stressed-deformed state of coating from the quality of their appearance
  7. 3. Regularities of cracking protective-decorative coatings
  8. 4. Forecasting the durability of coatings
  9. 5. Statistical methods of quality management of coatings of cement concrete
  10. 6. Development of plans for statistical acceptance of quality control
  11. Index