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Pre-Tanning And Tanning Processes

Leather Processing (Tanning) · Level 5  ·  5 Chapters

Can I download Pre-Tanning And Tanning Processes notes as a PDF?

Yes. 3 CDACC past papers for Pre-Tanning And Tanning Processes download as a PDF, free, with no account and no payment. The notes download as a PDF too: every chapter has a Download PDF button above its notes. Sign in and click it. Each download comes from your plan's monthly allowance or from credits. To read before you sign in, the first topic of every chapter opens to anyone, and a Profplanet plan opens the remaining topics. See the 3 free past papers for this unit.

Chapters

1
Sort and select hides and skins
11 topics
No Notes Yet
2
Soak hides/skins
19 topics
No Notes Yet
3
Lime/un-hair and de-lime pelts
28 topics
No Notes Yet
4
Bate, de-grease and pickle pelts
43 topics
No Notes Yet
5
Tan pelts
39 topics
No Notes Yet

3 past papers for this unit →

What Pre-Tanning And Tanning Processes covers: 50 main topics in 5 chapters

1. Sort and select hides and skins

  1. 1.1 Structure of the skin
  2. 1.2 Definition of terms
  3. 1.3 Origin of hides/skins
  4. 1.4 Methods of preservation of hides/skins
  5. 1.5 Types of defects
  6. 1.6 Grading/selection of hides/skins

2. Soak hides/skins

  1. 2.1 Definition of terms
  2. 2.3 Soaking chemicals
  3. 2.4 Purpose of soaking
  4. 2.5 Factors that influence soaking
  5. 2.6 Soaking defects
  6. 2.7 Soaking recipe

3. Lime/un-hair and de-lime pelts

  1. 3.1 Definition of terms
  2. 3.2 Liming chemicals
  3. 3.3 Importance of liming
  4. 3.4 Factors affecting liming
  5. 3.5 Liming faults
  6. 3.6 Liming methods
  7. 3.7 Un-hairing methods
  8. 3.8 Aims of de-liming

4. Bate, de-grease and pickle pelts

  1. 4.1 Definition of terms pickle pelts
  2. 4.2 Fleshing methods
  3. 4.3 Importance of fleshing
  4. 4.4 Faults during fleshing
  5. 4.5 Protective measures during fleshing
  6. 4.6 Importance of bating
  7. 4.7 Bating chemicals
  8. 4.8 Defects and remedies of bating
  9. 4.9 Types of bates
  10. 4.10 Factors affecting bating
  11. 4.11 Bating recipe
  12. 4.12 De-greasing chemicals
  13. 4.13 Aims of de-greasing
  14. 4.14 De-greasing methods
  15. 4.15 Pickling chemicals
  16. 4.16 Importance of pickling
  17. 4.17 Defects and remedies of pickling
  18. 4.18 Factors affecting pickling
  19. 4.19 Pickling recipe
  20. 4.20 Importance of de-pickling

5. Tan pelts

  1. 5.1 Definition of terms
  2. 5.2 Types of tanning materials
  3. 5.3 Factors affecting tanning
  4. 5.4 Importance of basification
  5. 5.5 Basifying agents
  6. 5.6 Masking agents
  7. 5.7 Leather testing
  8. 5.8 Tanning recipe
  9. 5.9 Tanning faults
  10. 5.10 Clean technology General Resources Equipment Materials and Supplies 25 Gas masks 5 Drums Assorted Hides/skins 25 Helmets 10 Paddles 13 Pelts 25 Goggles Fleshing machine Assorted tanning Chemicals 25 Gloves 25 Fleshing knives Assorted Indicators 25 Safety boots 5 Weighing balances Assorted Indicators 25 Overalls 10 Paddles 25 Aprons 10 sharpening files 10 First Aid Kit 2 Splitting machineries 25 Gas masks 10 hydrometer Baume 25 Gumboots 10 Shrinkage temperature apparatus Source of water 2 Boiler

Revise this unit

Past papers & answers 3 Real CDACC papers for this unit, free to download Exam-style questions 70 Written to CDACC standard, with answers Test yourself Multiple-choice, one at a time Practise questions Quick recall — check you know the facts
3 more for this unit
Oral exam preparation What the assessor asks, and how to answer out loud Worked calculations Step-by-step maths with the common mistakes Quick cards Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator On site, what would you do? Workplace scenarios Real site situations — what would you do? Turn this into income Where this skill earns — what to charge, how to find clients

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