Frequently Asked Questions

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Polyvinylchloride (PVC)

** Has a very good resistance to oils and it has a low permeability to gases, But is effected or attacked by many organic solvents. **

    • It has an excellent resistance to Dilute’s and Concentrated Acids, Alcohols, Bases, Aliphatic Hydrocarbons and Mineral Oils
    • It has an average  resistance to Organics & Vegetable Oils and Oxidizing Agents
    • It has an fair or limited resistance to Aldehydes
    • It has a poor resistance -not recommended for  Aldehydes, Esters, Aromatic and Halogenated Hydrocarbons, and Ketones
  • Maximum Temperature: 158°F 70°C
  • Minimum Temperature: -13°F -25°C
  • Autoclavable: No
  • Melting Point: 176°F 80°C
  • Tensile Strength: 6,500 psi
  • Hardness: R105
  • UV Resistance: Good
  • Rigid
  • Specific Gravity: 1.34

 

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High Density Polyethylene(HDPE)

** Has a Good impact resistance, is light weight, very low moisture absorption, and high tensile strength. **

    • It has an excellent resistance to Dilute’s and Concentrated Acids, Alcohols, Bases. 
    • It has an average  resistance to Aldehydes, Esters, Aliphatic and Aromatic Hydrocarbons, Ketones and Mineral and Vegetable Oils.
    • It has an fair or limited resistance to Halogenated Hydrocarbons and Oxidizing Agents. 
  • Maximum Temperature: 248°F 120°C
  • Minimum Temperature:
  •  -148°F -100°C
  • Autoclavable: No
  • Melting Point: 266°F 130°C
  • Tensile Strength: 4550

 
  • Hardness: SD65
  • UV Resistance: Poor
  • Translucent
  • Rigid
  • Specific Gravity: 0.95

 

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Nylon (Polyamide)

** Invented in 1928 by Wallace Carothers (DuPont) is considered to be the first engineering thermoplastic **

    • It has an excellent resistance to Oils, Bases and THF.
    • It has an average resistance to Solvents, Formaldehyde and Alcohols.
    • It has an fair or limited resistance to Dilute Acids.
    • It has a poor resistance -not recommended for Phenols, Alkalis, Iodine and Acids.
  • Maximum Temperature: 210°F 99°C
  • Minimum Temperature: -94°F -70°C 
  • Autoclavable: No
  • Melting Point: 420°F 216°C
  • Tensile Strength: 5,800 psi

 
  • Hardness: R92
  • UV Resistance: Good
  • Translucent
  • Rigid
  • Specific Gravity: 1.13