This code system http://hl7.org/fhir/package-material defines the following codes:

CodeDisplay
200000003200 Aluminium
200000003201 Cyclic Olefin Copolymer
200000003202 Epoxyphenol
200000003203 Glass
200000003204 Glass type I
200000003205 Glass type II
200000003206 Glass type III
200000003207 Paper
200000003208 Plastic
200000003209 PolyAmide
200000003210 Orientated PolyAmide
200000003211 PolyCarbonate
200000003212 PolyChloroTriFluoroEthylene
200000003213 Polyester
200000003214 PolyEthylene
200000003215 High Density PolyEthylene
200000003216 Low Density PolyEthylene
200000003217 PolyEthylene TerePhthalate
200000003218 Polyolefin
200000003219 PolyPropylene
200000003220 PolyStyrene
200000003221 PolyVinyl Acetate
200000003222 PolyVinyl Chloride
200000003223 Plasticised PolyVinyl Chloride
200000003224 Non-plasticised PolyVinyl Chloride / Unplasticised PolyVinyl Chloride
200000003225 PolyVinylidene Chloride
200000003226 Rubber
200000003227 Silicone oil
200000003228 Silicone elastomer
200000003229 Steel
200000003529 Cardboard
200000012514 PolyAcryloNitrile
200000012515 Ethylene acrylic acid copolymer
200000012521 Ethylene meta-acrylic acid
200000012522 Ethylene-Vinyl Alcohol copolymer
200000012523 PolyVinylidene Fluoride
200000012524 Medium Density PolyEthylene
200000012538 Syndiotactic Polypropylene
200000015521 PolyEthylene copolymer
200000023330 Expanded Polyethylene
200000023332 Cyclic Olefin Polymer
200000025255 Silica gel
200000025257 Linear Low Density PolyEthylene
<status value="active"/><experimental value="false"/><date value="2021-01-05T10:01:24+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="A material used in the construction of packages and their components."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/package-material"/><content value="complete"/><concept><code value="200000003200"/><display value="Aluminium"/></concept><concept><code value="200000003201"/><display value="Cyclic Olefin Copolymer"/></concept><concept><code value="200000003202"/><display value="Epoxyphenol"/></concept><concept><code value="200000003203"/><display value="Glass"/></concept><concept><code value="200000003204"/><display value="Glass type I"/></concept><concept><code value="200000003205"/><display value="Glass type II"/></concept><concept><code value="200000003206"/><display value="Glass type III"/></concept><concept><code value="200000003207"/><display value="Paper"/></concept><concept><code value="200000003208"/><display value="Plastic"/></concept><concept><code value="200000003209"/><display value="PolyAmide"/></concept><concept><code value="200000003210"/><display value="Orientated PolyAmide"/></concept><concept><code value="200000003211"/><display value="PolyCarbonate"/></concept><concept><code value="200000003212"/><display value="PolyChloroTriFluoroEthylene"/></concept><concept><code value="200000003213"/><display value="Polyester"/></concept><concept><code value="200000003214"/><display value="PolyEthylene"/></concept><concept><code value="200000003215"/><display value="High Density PolyEthylene"/></concept><concept><code value="200000003216"/><display value="Low Density PolyEthylene"/></concept><concept><code value="200000003217"/><display value="PolyEthylene TerePhthalate"/></concept><concept><code value="200000003218"/><display value="Polyolefin"/></concept><concept><code value="200000003219"/><display value="PolyPropylene"/></concept><concept><code value="200000003220"/><display value="PolyStyrene"/></concept><concept><code value="200000003221"/><display value="PolyVinyl Acetate"/></concept><concept><code value="200000003222"/><display value="PolyVinyl Chloride"/></concept><concept><code value="200000003223"/><display value="Plasticised PolyVinyl Chloride"/></concept><concept><code value="200000003224"/><display value="Non-plasticised PolyVinyl Chloride / Unplasticised PolyVinyl Chloride"/></concept><concept><code value="200000003225"/><display value="PolyVinylidene Chloride"/></concept><concept><code value="200000003226"/><display value="Rubber"/></concept><concept><code value="200000003227"/><display value="Silicone oil"/></concept><concept><code value="200000003228"/><display value="Silicone elastomer"/></concept><concept><code value="200000003229"/><display value="Steel"/></concept><concept><code value="200000003529"/><display value="Cardboard"/></concept><concept><code value="200000012514"/><display value="PolyAcryloNitrile"/></concept><concept><code value="200000012515"/><display value="Ethylene acrylic acid copolymer"/></concept><concept><code value="200000012521"/><display value="Ethylene meta-acrylic acid"/></concept><concept><code value="200000012522"/><display value="Ethylene-Vinyl Alcohol copolymer"/></concept><concept><code value="200000012523"/><display value="PolyVinylidene Fluoride"/></concept><concept><code value="200000012524"/><display value="Medium Density PolyEthylene"/></concept><concept><code value="200000012538"/><display value="Syndiotactic Polypropylene"/></concept><concept><code value="200000015521"/><display value="PolyEthylene copolymer"/></concept><concept><code value="200000023330"/><display value="Expanded Polyethylene"/></concept><concept><code value="200000023332"/><display value="Cyclic Olefin Polymer"/></concept><concept><code value="200000025255"/><display value="Silica gel"/></concept><concept><code value="200000025257"/><display value="Linear Low Density PolyEthylene"/></concept></CodeSystem>