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Showa

NITRILE®

Anti-slip vulcanised synthetic rubber

Advantages

  • Excellent abrasion and cut resistance
  • Three times the puncture resistance of latex
  • Good mechanical performance
  • Excellent resistance to oil, grease and hydrocarbons
  • Good resistance to acids, certain organic solvents, pesticides, oils and fuels
  • No latex proteins
  • Heat resistance (but no flame resistance)

Limitations

  • Relatively rigid
  • Normally low tear resistance
  • No chemical resistance against ketones and some chlorinated hydrocarbons methylene chloride and trichloroethylene

NATURAL RUBBER LATEX

Natural rubber mainly from latex and the rubber tree

Advantages

  • Very flexible and elastic
  • Good grip
  • Excellent resistance to tearing and bendings
  • Good resistance to abrasion
  • Very robust
  • Waterproof
  • Protects against weak acids, caustics, alcohols and detergents
  • Protection viruses and bacteria

Limitations

  • Poor chemical resistance against oils, greases, hydrocarbons and organic solvents
  • Proteins may cause allergies

POLYURETHANE

Advantages

  • Very flexible and elastic
  • No latex proteins
  • Clean – does not shed particles like other polymers
  • ood resistance to abrasion
  • Good resistance to oil
  • Does not harden in the cold
  • Does not soften in the heat
  • Excellent perspiration thanks to porous ventilation

Limitations

  • Low chemical resistance
  • Poor resistance to hot water

PVC (POLY VINYL CHLORIDE)

Impermeable plastic

Advantages

  • Flexible at even -20°C
  • Material softened by a plasticizer
  • Good electrical insulator
  • High chemical resistance

Limitations

  • Low resistance to cuts, puncturing and heat
  • Disposable PVC gloves might have pinholes
  • Low resistance to solvents

NEOPRENE

Polychloroprene synthetic rubber

Advantages

  • Flexible and soft like natural rubber
  • No latex proteins
  • Good abrasion and cut resistant
  • Chemical protection against acids, alcohols, fats, ketones, organic and inorganic solvents, oils, greases and petrochemicals
  • Heat resistant and flame resistant

Limitations

  • Poor grip when wet
  • No chemical resistance against chlorinated hydrocarbon solvents

BUTYL

Synthetic rubber polymer for heavy chemical protection

Advantages

  • Very elastic, even at low temperatures
  • Excellent chemical resistance against ketones (MEK, acetone) and acids
  • Low gas permeability

Limitations

  • Limited grip
  • Limited dexterity
  • Poor mechanical resistance
  • Poor resistance to aliphatic hydrocarbons (hexane, diesel, gasoline), aromatic hydrocarbons (benzene, toluene, xylene) and halogenated solvents (chloroform and chlorobenzene)

VITON

Synthetic rubber polymer – the last resort

Advantages

  • Protects where nothing else protects
  • Chemical protection against PCBs
  • Excellent chemical protection against chlorinated, aliphatic and aromatic hydrocarbons

Limitations

  • Limited grip
  • Limited dexterity
  • Not suitable for ketones, esters and nitro compounds