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THE
SOUTH AFRICAN PAINT INDUSTRY TRAINING INSTITUTE
SAPMA PAINT
TECHNOLOGY COURSE
MODULE 10 - POWDER FORMULATION PRINCIPLES
This is the second module dealing with
Powder Coatings and along with Module 09 provides a comprehensive
training course in this important area of coatings technology. It
develops the student's knowledge of the raw materials and understanding
of selected types of powder coatings systems and of the function
of individual components. Students are also introduced to relevant
test methods.
On completion, the student should be able to formulate
coating powders for specific end uses, and be aware of all relevant
hazards and safety precautions.
The study material comprises written text, divided
into 13 Lessons.
The student is given a choice of two sets of practical
exercises. There are four exercises in each set.
There are two assignments dealing with the logical
choice of systems for particular end uses
WHO SHOULD STUDY THIS MODULE
?
This module is intended for those who are employed
in the technical aspects of powder production, such as
- Production
- Quality control
- Research and Development
- Technical Service
PREREQUISITES FOR THE MODULE
Passes in Modules 03 and 09 are required.
SUMMARY OF SYLLABUS
A. GENERAL INTRODUCTION
B. THERMOPLASTICS
Basic chemistry
Formulation
C. THERMOSETS
Epoxies
Polyesters and others
Pigments
Pigments - colour
Additives
Formulation of epoxies and hybrids
Formulation of polyesters and structured finishes
Electrostatics
Further powder technology
Test methods
ASSESSMENTS
3 multiple choice tests
4 written reports on the practical work
2 written assignments
2 hour written examination at end of course
PASSMARK
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 - 24 hours
Practical exercises - 6 hours
Report writing - 6 hours
Assignments - 4 hours
This averages out to just over 2 hours per week
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