Module 3 Quiz (Polymer Types)

Question 1

T/F. OPP can be heat sealed.

Answer 1

False

Question 2

Most common plastic for carbonated beverage bottles.

Answer 2

PET

Question 3

What plastic will you use for a squeezable bottle?

Answer 3

LDPE

Question 4

T/F/. CPP becomes brittle at low temperatures.

Answer 4

True

Question 5

Common material for plastic strapping.

Answer 5

PET

Question 6

This plastic is known for its high tensile strength.

Answer 6

PET

Question 7

T/F. PS is often used for clamshell packaging.

Answer 7

True

Question 8

This material is widely used for vacuum packaging of cheese and meat products.

Answer 8

PA

Question 9

This is a water-soluble polymer and are usually used in water soluble pouches like in detergent powders.

Answer 9

PVAL

Question 10

This material has the highest usable oxygen barrier of the packaging polymers.

Answer 10

EVOH

Question 11

Base polymer used primarily as an adhesive, specifically for the commercial “white glue.”

Answer 11

PVAC

Question 12

Usually used for hot melt adhesives like sticks for glue gun.

Answer 12

EVA

Question 13

Generic name of MXD6 (acronym only)

Answer 13

PA

Question 14

Generic name of Surlyn.

Answer 14

Ionomer

Question 15

This is a term used for plastics sources from renewable sources. (answer with a word)

Answer 15

Bioplastic

Question 16

T/F. Since Barex is the only acrylonitrile copolymer marketed for packaging purposes, it can only be made into films.

Answer 16

False

Question 17

T/F. Cellophane has excellent dead fold properties.

Answer 17

True

Question 18

Generic name of Teflon (type the acronym only)

Answer 18

PTFE

Question 19

T/F. Barex offer excellent resistance to many aggressive solvents.

Answer 19

True

Question 20

T/F. Aclar is usually thermoformed because of its cheap cost.

Answer 20

False

Question 21

T/F. PET can be thermoformed

Answer 21

True

Question 22

T/F. EPS has good insulating properties.

Answer 22

True

Question 23

T/F. PET can be heat sealed

Answer 23

False

Question 24

What plastic is the material of choice for trash bags?

Answer 24

LDPE

Question 25

What plastic is commonly used for “dairy crates?”

Answer 25

HDPE

Question 26

T/F. HDPE is less clear than LDPE.

Answer 26

True

Question 27

T/F. PA is expensive

Answer 27

True

Question 28

This material has superior heat-seal properties and can even seal through dirt or fats.

Answer 28

Ionomer

Question 29

T/F. Oriented PA can be thermoformed but unoriented PA cannot be thermoformed

Answer 29

False

Question 30

T/F. PA is not heat sealable

Answer 30

True

Question 31

T/F. PC has high cost.

Answer 31

True

Question 32

This polymer has the highest moisture barrier of any packaging polymer.

Answer 32

PCTFE

Question 33

T/F. PLA is based from sugar cane.

Answer 33

False

Question 34

This thermoplastic is used for large shipping/storage cases for military or industrial applications.

Answer 34

ABS

Question 35

This plastic has the highest impact strength among the common packaging plastics.

Answer 35

PC

Question 36

This plastic has poor solvent resistance and in fact may dissolve in aggressive solvents.

Answer 36

PS

Question 37

T/F. LDPE is a “soft” plastic.

Answer 37

True

Question 38

This plastic is known for its extremely high elongation properties.

Answer 38

LDPE

Question 39

T/F. LDPE has better barrier properties than HDPE

Answer 39

False

Question 40

Which plastic has excellent gas and moisture barrier in a single material?

Answer 40

PVDC

Question 41

This particular brand name is commonly used as an oxygen barrier in PET bottles for beer. Answer with the brand or trade name.

Answer 41

MXD6

Question 42

This polymer is used for “foam-in-place” systems

Answer 42

PU

Question 43

T/F. PC has high cost.

Answer 43

True

Question 44

T/F. PETG can be extrusion blow molded but PET cannot be.

Answer 44

True

Question 45

T/F. One major market of PP is in IBM bottles.

Answer 45

False

Question 46

This material is usually sandwiched between other polymers since it will lose its superior oxygen barrier in the presence of moisture.

Answer 46

EVOH

Question 47

This polymer blocks out UV light completely.

Answer 47

PEN

Question 48

Type down the complete meaning of the plastic ABS

Answer 48

Acrylonitrile butadiene styrene

Question 49

T/F. K-resin are tough, hard, and stiff.

Answer 49

False

Question 50

This is the most used resin in the bioplastics market.

Answer 50

PLA

Question 51

Other than PET, this is another common material for blister shells.

Answer 51

PVC

Question 52

This plastic is known for its sensitivity to UV light.

Answer 52

PP

Question 53

This material is heavily plasticized.

Answer 53

PVC

Question 54

This plastic has good optics but poor barrier and physical strength.

Answer 54

PS

Question 55

Generic name of Saran. (acronym only)

Answer 55

PVDC

Question 56

This trade name is based on wood cellulose rather than petrochemicals (answer with a trade name)

Answer 56

Cellophane

Question 57

This material is very sensitive to heat.

Answer 57

PVC

Question 58

Generic name of Nylon. (acronym only)

Answer 58

PA

Question 59

T/F. PA has very good moisture barrier

Answer 59

False

Question 60

This material has theoretically an extremely superior oxygen barrier property but is limited to dry products, which makes it impractical to use in various conditions.

Answer 60

PVAL

Question 61

This material might replace glass in critical applications.

Answer 61

PEN