Hi Yousuf
the following table clearly state that poly ethylene bags pose no known health risk See no 4. Having said that please read the following article for more info
Which plastics are which?
Some plastics are safer than others. Use this table to see which ones are best avoided.
Identification code
Type of plastic
Uses
Risks
1
Polyethylene terephthalate (PET)
- Bottles used for water and softdrinks
- Jars for products such as peanut butter
- Lightweight and 'green' wine bottles
No known health hazards.
2
High density polyethylene (HDPE)
- Bottles used for milk and cream
- Yoghurt cups
- Bags that line breakfast cereal packets
No known health hazards.
3
Polyvinyl chloride (PVC)
- Shrink and cling wrap
- Clear plastic containers for fresh fruit or takeaway sandwiches
- Some soft drink bottles
- The gaskets that form a seal on screw-cap glass jars
Contains plasticisers such as DEHA or phthalates that can leach into food.
4
Low density polyethylene (LDPE)
- Take-away containers
- Waterproof coating on milk cartons
- Bags used for bread and frozen foods
- Cling wrap
No known health hazards.
5
Polypropylene (PP)
- Bottle caps
- Yoghurt and margarine containers
- Food storage boxes
No known health hazards.
6
Polystyrene (PS)
- Plastic cutlery
- Drinking cups and yoghurt cups
- Cups for hot coffee (polystyrene foam)
- Lightweight trays used by supermarket to package and sometimes vegetables (polystyrene foam)
Researchers have investigated possible health risks from traces of styrene monomer. This risk seems to be low.
7
The number 7 is used as a catch-all for any other plastics, one of which is polycarbonate.
- Bottles for sauces and condiments
- Babies' feeding bottles and infants' drinking cups
- Reusable water bottles for cyclists and athletes
Polycarbonate can release BPA into food, especially when bottles are washed for reus