BLOW MOULDING

Question 1

STEP 1

Answer 1

THE POLYMER IS FED INTO THE HOPPER

Question 2

STEP 2

Answer 2

HEATED GRANULES ARE INJECTION MOULDED INTO A PRE FORM SHAPE WHICIH IS POSITIONED INTO A MOULD

Question 3

STEP 3

Answer 3

AIR IS FORCED INTO A MOULD WHICH FORCES THE POLYMER TO THE SIDE

Question 4

STEP 4

Answer 4

THE MOULD IS THEN COOLED AND REMOVED

Question 5

ADVANTAGES

Answer 5

RAPID METHOD OF WIDE BOTTOM THIN NECK SHAPED PRODUCTS, WELL SUITED TO LOW AND HIGH PRODUCTION SCALES, MANY TYPES OF PLASTIC CAN BE USED

Question 6

DISADVANTAGES

Answer 6

LIMITED TO HOLLOW PRODUCTS, EXPENSIVE MOULDS, DIFFICULT TO PRODUCE TRIANGULAR SHAPES

Question 7

POLYMERS USED

Answer 7

HDPE, PP, PVC, PET

Question 8

PRODUCTS MADE

Answer 8

WATER BOTTLES, CONES, KAYAKS.