Skip to main content
. 2021 Jun 10;313:127880. doi: 10.1016/j.jclepro.2021.127880

Table 3.

Raw data for N95 mask production (on average, the mass of each mask is 10 g).

Item Type of mask
Unit
Fossil based plastic 10% bio-based plastics 50% bio-based plastics 100% bio-based plastics
Materials/fuels
Polypropylene, granulate {GLO}| market for | Alloc Def, U
8.53 7.67 4.26 0 g
Polyester resin, unsaturated {GLO}| market for | Alloc Def, U 8.38 × 10−1 7.54 × 10−1 4.19 × 10−1 0 g
Aluminium, cast alloy {GLO}| market for | Alloc Def, U 6.36 × 10−1 6.36 × 10−1 6.36 × 10−1 6.36 × 10−1 g
Bio-based polypropylenea 0 8.53 × 10−1 4.26 8.53 g
Polyester-complexed starch biopolymer {GLO}| market for | Alloc Def, U 0 8.38 × 10−2 4.19 × 10−1 8.38 × 10−1 g
Electricity/heat
Electricity, medium voltage {CN}| market group for | Alloc Def, U 1.15 × 101 1.15 × 101 1.15 × 101 1.15 × 101 Wh
Waste flow
Plastic waste 9.36 8.43 4.68 0 g
Aluminium waste 6.36 × 10−1 6.36 × 10−1 6.36 × 10−1 6.36 × 10−1 g

Jiang and Lu (2020) is the reference on which polypropylene is based.

Ingee (2018) is the reference on which polyester is based.

Bhatia et al. (2020) is the reference on which aluminum is based.

Vahidi et al. (2016) is the reference on which electricity, medium voltage is based.

Moretti et al. (2020) is the reference on which bio-based polypropylene instead of polyester is based.

Nieder-Heitmann et al. (2019) is the reference on which polyester-complexed starch biopolymer instead of polyester is based.

a

Data for bio-based polypropylene production was obtained from Moretti et al. (2020) and Joosten (1998) (Table 4).