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PMP Chemical Resistance Chart

PMP (TPX) is a transparent, lightweight thermoplastic with excellent chemical resistance. It can be autoclaved and offers the lowest density of any commercial plastic.

359 chemicals tested 20°C & 50°C data
228
Excellent (A)
26
Good (B)
30
Limited (C)
132
Not Recommended (D)

Resistance by chemical class

Most rows rated A or B
Alkalis 100 %; Foods and beverages 100 %; Salts and salt solutions 100 %
Fewest rows rated A or B
Halogenated hydrocarbons 3 %; Aromatic hydrocarbons 10 %; Vegetable and animal oils, fats, essential oils 29 %
All rated rows, by rating
A 55 %, B 6 %, C 7 %, D 32 % (416)

Chemical classes were assigned by this site, not by the source. Mixtures and trade products without a clear class are not counted.

PMP: Resistance by chemical classMineral acids: A 54 %, B 17 %, C 3 %, D 26 %. Organic acids: A 85 %, C 8 %, D 8 %. Alkalis: A 100 %. Salts and salt solutions: A 100 %. Oxidising agents and halogens: A 63 %, B 3 %, C 3 %, D 30 %. Alcohols and glycols: A 93 %, B 4 %, D 4 %. Ketones and aldehydes: A 22 %, B 15 %, C 11 %, D 52 %. Esters and ethers: A 19 %, B 17 %, C 14 %, D 50 %. Amines and nitrogen compounds: A 40 %, B 10 %, C 30 %, D 20 %. Aromatic hydrocarbons: B 10 %, C 30 %, D 60 %. Fuels, mineral oils and aliphatic hydrocarbons: A 22 %, B 8 %, C 14 %, D 57 %. Vegetable and animal oils, fats, essential oils: A 21 %, B 7 %, C 7 %, D 64 %. Halogenated hydrocarbons: B 3 %, C 9 %, D 88 %. Foods and beverages: A 100 %.Mineral acids (35)Mineral acids: A 54 % (19)A 54 %Mineral acids: B 17 % (6)B 17 %Mineral acids: C 3 % (1)Mineral acids: D 26 % (9)D 26 %Organic acids (26)Organic acids: A 85 % (22)A 85 %Organic acids: C 8 % (2)COrganic acids: D 8 % (2)DAlkalis (17)Alkalis: A 100 % (17)A 100 %Salts and salt solutions (67)Salts and salt solutions: A 100 % (67)A 100 %Oxidising agents and halogens (30)Oxidising agents and halogens: A 63 % (19)A 63 %Oxidising agents and halogens: B 3 % (1)Oxidising agents and halogens: C 3 % (1)Oxidising agents and halogens: D 30 % (9)D 30 %Alcohols and glycols (28)Alcohols and glycols: A 93 % (26)A 93 %Alcohols and glycols: B 4 % (1)Alcohols and glycols: D 4 % (1)Ketones and aldehydes (27)Ketones and aldehydes: A 22 % (6)A 22 %Ketones and aldehydes: B 15 % (4)B 15 %Ketones and aldehydes: C 11 % (3)CKetones and aldehydes: D 52 % (14)D 52 %Esters and ethers (42)Esters and ethers: A 19 % (8)A 19 %Esters and ethers: B 17 % (7)B 17 %Esters and ethers: C 14 % (6)C 14 %Esters and ethers: D 50 % (21)D 50 %Amines and nitrogen compounds (10)Amines and nitrogen compounds: A 40 % (4)A 40 %Amines and nitrogen compounds: B 10 % (1)BAmines and nitrogen compounds: C 30 % (3)C 30 %Amines and nitrogen compounds: D 20 % (2)D 20 %Aromatic hydrocarbons (10)Aromatic hydrocarbons: B 10 % (1)BAromatic hydrocarbons: C 30 % (3)C 30 %Aromatic hydrocarbons: D 60 % (6)D 60 %Fuels, mineral oils and aliphatic hydrocarbons (37)Fuels, mineral oils and aliphatic hydrocarbons: A 22 % (8)A 22 %Fuels, mineral oils and aliphatic hydrocarbons: B 8 % (3)BFuels, mineral oils and aliphatic hydrocarbons: C 14 % (5)C 14 %Fuels, mineral oils and aliphatic hydrocarbons: D 57 % (21)D 57 %Vegetable and animal oils, fats, essential oils (14)Vegetable and animal oils, fats, essential oils: A 21 % (3)A 21 %Vegetable and animal oils, fats, essential oils: B 7 % (1)BVegetable and animal oils, fats, essential oils: C 7 % (1)CVegetable and animal oils, fats, essential oils: D 64 % (9)D 64 %Halogenated hydrocarbons (33)Halogenated hydrocarbons: B 3 % (1)Halogenated hydrocarbons: C 9 % (3)CHalogenated hydrocarbons: D 88 % (29)D 88 %Foods and beverages (13)Foods and beverages: A 100 % (13)A 100 %
A very good resistanceB good resistanceC limited resistanceD not resistant
Share of each rating at 20 °C among the source rows of a class. The number in brackets is the number of rated rows; a row is one chemical at one concentration. Classes with fewer than 8 rated rows are left out.
Showing 418 chemicals
Chemical Concentration 20°C 50°C CAS
Carbon Dioxide Exhaust Gases
Abgase, kohlendioxidhaltig
low concentrationA*–—
Acetaldehyd
40 %BD75-07-0
Acetaldehyd
technical gradeBD75-07-0
Acetamide
Acetamid
saturatedAA60-35-5
Aceton
—BC67-64-1
Acetonitril
—CD75-05-8
Acetophenon
—D*–98-86-2
Acetyl Chloride
Acetylchlorid
100 %D*–75-36-5
Acrylnitril
—CD107-13-1
Adipinsäure
saturatedAA124-04-9
Akkusäure
38 %AA7664-93-9
Alanine
Alanin
—AA56-41-7
Allyl Acetate
Allylacetat
100 %D*–591-87-7
Allylalkohol
96 %AB107-18-6
Allyl Chloride
Allylchlorid
100 %D*–107-05-1
Allyl Mustard Oil
Allylsenföl
—D*–57-06-7
Aluminum Hydroxide Acetate
Aluminium(hydroxid)acetat
aqueousAA139-12-8
Aluminiumchlorid
10 %AA7784-13-6
Aluminum Fluoride
Aluminiumfluorid
aqueousAA7789-18-1
Aluminiumhydroxid
—AB21645-51-2
Aluminiumnitrat
aqueousA–13473-90-0
Aluminiumoxid
solidAA1344-28-1
Aluminiumsulfat
10 %AA10043-01-3
Aluminiumsulfat
saturatedAA10043-01-3
Ameisensäure
3 %AB64-18-6
Ameisensäure
50 %AB64-18-6
Ameisensäure
98-100 %AC64-18-6
Ammoniumacetat
saturatedAA631-61-8
Ammoniumcarbonat
50 %A–10361-29-2
Ammoniumchlorid
aqueousAA12125-02-9
Ammonium Dihydrogen Phosphate
Ammoniumdihydrogenphosphat
any concentrationA–7722-76-1
Ammoniumfluorid
saturatedA–12125-01-8
Ammonium Glycolate
Ammoniumglycolat
—AB35249-89-9
Ammoniumhydroxid
5 %AA1336-21-6
Ammoniumhydroxid
30 %AB1336-21-6
Ammoniumhydroxid
—AA1336-21-6
Ammoniumnitrat
saturatedAA6484-52-2
Ammonium Oxalate
Ammoniumoxalat
—AB14258-49-2
Ammoniumsulfat
10 %A*–7783-20-2
Ammoniumsulfat
saturatedAA7783-20-2
Ammonium Sulfide
Ammoniumsulfid
any concentrationAA12135-76-1
Ammonium Thiocyanate
Ammoniumthiocyanat
—AA1762-95-4
Amylacetat, n-
—BC628-63-7
Amylalkohol, n-
—BC71-41-0
Amyl Chloride
Amylchlorid
—DD543-59-9
Amyl Cinnamaldehyde
Amylzimtaldehyd
—D*–122-40-7
Anilin
—BC62-53-3
Anisole
Anisol
100 %BC100-66-3
Anise Oil
Anisöl
—D*–84775-42-8
Orange Peel Oil
Apfelsinenschalenöl
—D*–8028-48-6

* = estimated rating in the source, given without a temperature. L = risk of pitting or stress-corrosion cracking. Only chemicals with a rating for this material are listed.

PMP Properties

Full Name Polymethylpentene (TPX®)
Max Temperature 170°C (338°F)
Density 0.83 g/cm³ (lightest plastic)
Autoclavable Yes (121°C)

Common Applications

Lab Equipment

Beakers, graduated cylinders, funnels

Microwave

Microwave-transparent containers

Medical

Sterilizable medical components

Not Recommended For

PMP may degrade when exposed to:

  • Chlorinated solvents
  • Strong oxidizing acids (>60% nitric)
  • Aromatic hydrocarbons at high temperature

Tip: PMP is brittle compared to PC or PETG. For impact resistance, choose polycarbonate.

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