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Polymethylpentene Plastics
Characteristics of PMP
- Poor
- Excellent
- Clarity
- Moisture Barrier
- Oxygen Barrier
- Acid Resistance
- Grease & Oil Resistance
- Max Utilization Temperature
- Min Utilization Temperature
- Stiffness
- Impact Resistance
- Heat Resistance
- Cold Resistance
- Sunlight Resistance
- Specific Density
- Tensile Strength
- Clear
- Excellent
- Fair
- Excellent
- Good
- 356° F
- -32° F
- Rigid
- Fair to Good
- Good to Excellent
- Good
- Poor
- 0.83
- 4000 psi
Other Characteristics of PMP:
PMP is a polymer of 4-methylpentene-1, similar to PP, but has an isobutyl group on alternate C atoms. PMP has high transparency, rigidity and resistance to impact and the ability to withstand temperatures of up to 392°F for short periods (347°F continuously). Chemical resistance is comparable to PP but PMP tends to suffer from tension cracks when exposed to ketones or chlorinated solvents. The most important qualities of PMP are its excellent transparency and good mechanical properties. Over time is can be attacked by chlorinated solvents and is susceptible to attack by strong oxidizing agents.
Chemical Resistance:
- Poor
- Excellent
- Acids – Dilute
- Acids – Concentrated
- Alcohols
- Aldehydes
- Bases
- Esters
- Ethers
- Hydrocarbons, Aliphatic
- Hydrocarbons, Aromatics
- Hydrocarbons, Halogenated
- Ketones
- Oils, Minerals
- Oil, Vegetable
- Excellent
- Good to Excellent
- Excellent
- Good
- Excellent
- Good
- Low
- Low
- Low
- Poor
- Low
- Excellent
- Good
PMP for Laboratories:
PMP is conveniently autoclavable, able to be sterilized by gas, dry heat and chemical disinfectant. However, dry heat can reduce mechanical strength. PMP has relatively high heat resistance, making it an excellent choice for laboratory activities that involve use of liquids at higher temperatures. It can withstand acids and alcohols, allowing for a wide range of liquids to be used in conjunction with PMP. Due to its attack-resistant properties and less porous surface, PMP is easy to clean and is a great choice of labware.
Recycling:
Private PMP recycling facilities exist, check your local yellow pages. For more information regarding PMP recycling see the Plastic Container Recycling Page.
To purchase PMP plastic containers please visit:
Other Plastic Container Material
- PET Plastic Containers
- HDPE Plastic Containers
- PVC Plastic Containers
- LDPE Plastic Containers
- PP Plastic Containers
- PS Plastic Containers
- PETG Plastic Containers
- PTFE Plastic Containers
- Vinyl Plastic Containers
- PFA Plastic Containers
- Acrylic Plastic Labware
- ABS Plastic Labware
- Rubber Plastic Labware
- PU Plastic Labware
- Epoxy Plastic Labware
- Nylon Plastic Labware
- Polycarbonate Plastic Labware
Information
Wednesday 22 May, 2013