1. What is the characteristic of semi-aniline finish leather Devise system of finishing for this leather, explaining its suitability.

2. Define the following leathers

Crunch finish leather

Oil pull-up leather

Suede leather

Milled leather

3. Write short notes on the following:

Woolen Roller

Wet Cleaning

Carnauba Wax

Dry Cleaning

4. A company in Noida is making 2,400 pairs of shoes per day to export to Germany. Style is slip-on with derby and colour is black. The shoe is made up of a cow Napa black and Nubuck cherry. The lining is cow drum dyed lining in beige colour. Sole is TPR. The material consumption of average size is given below

Cow Napa black 1·5 sft/pair
Cow Nubuck cherry 1·5 sft/pair
Cow D/D lining beige =1·75 sft/ pair

The size assortment is given below:

Size 6/2 7/3 8/2 9/2 10/1 =10 pairs

Find out the average size.

Calculate the material required for the order of six-months, assuming company is closed on Sunday.

Devise a finishing process.

5. Discuss point-wise how value addition can be achieved in finishing room.

6. Discuss in brief the various types of finishing materials available and their specific uses.

7. A company in Noida has received an order of 25,000 pairs of slip-on shoes to be cut in buff calf FIG burnish brown colour. Lining is a DID buff lining in beige colour and sole is of TPR. Thread used is 20/3 and 60/3 nylon beige 3 ply threads and there is a steel buckle on the saddle.

The company supervisor has recommended finishing system, which is given below:

Lasted upper P1 -S(brown) heat setter (120 degree) iron at 60 degree cutting with high pressure at high speed cutting again high speed burnishing wax other lasting operations P29 brown cutting at high-speed polishing at low speed.

The manager is somehow not convinced with the system. Evaluate the system given above and give your recommendations.

8. Make a flow diagram of each of the two systems of finishing and discuss them in brief.