THE SOUTH AFRICAN PAINT INDUSTRY TRAINING INSTITUTE
SAPMA PAINT TECHNOLOGY COURSE
MODULE 2 - PAINT APPLICATION

Covers surface preparation and pre-treatment and outlines and discusses most of the methods of paint application and paint drying/curing that are currently employed in industry.

After completing this Module, the student should be able to give a detailed discussion on the features and merits of all relevant processes, and should be able to make a reasoned choice of the correct processes to use for a particular set of conditions.

The study material comprises written text, divided into 17 Lessons.

There are only four practical exercises in this Module, and these are intended to create a critical approach towards the subject.

In addition, the students are encouraged to make visits to factories engaged in relevant operations.

WHO SHOULD STUDY THIS MODULE ?

This Module is essential for those who are following a technical career path, and for those who are involved in the application side of the industry. -Thus it is suitable for those engaged in :-

Quality control Research and Development Technical Service Sales Raw Material Supplies Coatings Application Specification Inspection

PREREQUISITES FOR THE MODULE

Successful completion of Module 01.

SUMMARY OF SYLLABUS

A. SUBSTRATE PREPARATION

Substrates
Degreasing
Rust and Oxide removal Non metallic substrates Investigation into methods of degreasing mild steel Preparation of samples of wood by a sequence of staining, filling and sealing

B. PRE-TREATMENT

Phosphate pre-treatment
Other pre-treatments
Investigation into phosphate pre-treatment

C. PAINT APPLICATION INVOLVING ATOMISATION

Air assisted spraying
Airless spraying
Electrostatic spraying
Compare hot and cold spraying

D. PAINT APPLICATION NOT INVOLVING ATOMISATION

Dipping
Electodeposition
Roller coating
Coil and curtain coating
Other application methods
- brushing
- hand rolling
- trowelling
- silkscreening
- tumbling
- flow coating

E. ACCELERATION OF DRYING AND CURING

Drying and curing processes
Infra red curing
Summary - factors affecting choice of Method

ASSESSMENTS

5 Multiple choice tests
4 Written reports on practical work
1 Assignment
2 hour written exam at end of module

PASS MARK

A minimum of 50% in each of the three modes of assessment is required for a pass.
A merit pass is awarded for an overall mark of 80% or above, and a distinction is awarded for an overall mark of 90% and above.

DURATION AND TIME INVOLVED

The Module takes 18 weeks to complete. The average student would spend the following time on the various aspects :-
Theoretical study - 50 hours
Practical exercises - 10 hours
Report writing - 10 hours
This averages out to just under 4 hours per week

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