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Bottle Preforms

Nowadays PET is still widely used for these purposes, but when, in the 1970s a marketing need was identified for larger light-weight, unbreakable bottles to contain carbonated drinks, PET fit the bill perfectly. Unlike simple polymers such as polyethylene, PET is not made by a single stage process, but by the reaction between two chemicals, purified terephthalic acid (PTA) and ethylene glycol (EG). The availability of the first of these has dictated the supply of PET resin in the past, but new capacity coming on stream this year will ensure more than adequate supplies to meet the growing uses of PET over the coming years. Related polyesters are polybutylene terephthalate (PBT) used mainly for engineering applications, and polyethylene naphthalate (PEN). The latter offers significant performance improvements over PET, particularly in terms of barrier properties and heat tolerance. Since PEN can be blended with PET a range of new 'alloys' is becoming available for special packaging applications.
As PET (bottle grade) is a kind of transparent, wear-resisting and corrosion-resisting plastics with high strength and smooth finish, it is widely used for PET bottles of mineral water, juice, edible oil, pharmaceuticals, cosmetics, etc.
Characteristics:

Neck Finish (mm)

Weight (gr)

Color *

Material (PET-BG)

28

15.5

Clear

821

17

Clear

821

19

Clear

821

21

Clear

821

22

Clear

821

23

Clear

821

25

Clear

821

27

Clear

821

30

Clear

821

32

Clear

821

33

Clear

821

34

Clear

821

36

Clear

821

37

Clear

821

38

Clear

821

42

Clear

821

44

Clear

821

45

Clear

821

47

Clear

821

52

Clear

821

30

15.5

Clear

821

17

Clear

821

19

Clear

821

30

Clear

821

32.5

Clear

821

34

Clear

821

38

16

Clear

821

19

Clear

821

35

Clear

821

37.5

Clear

821

45

33

Clear

821

56

Clear

821

74

Clear

821

75

Clear

821

80

Clear

821

85

Clear

821

95

Clear

821

105

Clear

821



   
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