Telephone:
+44 (0)161 429 8728
Fax:
+44 (0)161 474 7630
email:
sales@robant.co.uk

Roller Physical Property Charts

Resistance

  NBR Nitrile HT-Series Neoprene EPDM Carboxinated Nitrile Hypalon Natural Rubber Butyl Silicone
Acids 2 3 2 4 5 2 5 3 4 4
Caustics 3 3 3 4 5 3 5 3 4 4
Aliphatic Hydrocarbons 5 5 5 3 1 5 3 1 1 2
Aromatic Hydrocarbons 3 4 3 2 2 3 1 1 1 3
Chlorinated Hydrocarbons 1 1 1 1 1 1 1 1 1 3
Esters 1 1 1 3 5 1 3 5 5 3
Alcohols 5 5 5 4 5 4 4 5 5 4
Water 4 4 4 3 5 3 4 5 5 4
Glycols 5 5 5 4 5 3 4 5 5 4
Ketones 2 1 2 3 5 2 3 5 5 3
* HT-Series is a Chase Elastomer USA trade name.
All figures are for guidance and relate only to Robant Services Ltd products.

Physical Attributes

  NBR Nitrile HT-Series Neoprene EPDM Carboxinated Nitrile Hypalon Natural Rubber Butyl Silicone
Hardness Range 20-99 15-90 20-60 10-95 25-95 45-95 30-90 25-99 40-80 20-85
Tensile Strength 3 3 3 4 2 5 3 4 2 1
Modulus 3 4 3 4 3 5 4 3 3 3
Elongation at Break 3 3 3 5 3 3 3 5 3 2
Tear Strength 3 3 3 4 2 5 3 5 3 1
Cut Resistance 3 3 3 4 2 5 4 4 3 1
Resistance to Compression set 3 2 4 3 3 2 3 3 3 5
Resistance to Permanent set 3 2 5 4 3 3 3 4 3 4
Resilience 3 2 5 4 3 2 3 5 1 5
Resistance to Heat Build-up 2 1 5 5 2 1 2 5 2 5
Resistance to Abrasion 3 4 4 3 3 5 3 5 2 1
Ozone Resistance 1 3 3 3 5 1 5 1 2 5
Hydrolic Stability 5 5 5 5 5 5 5 5 5 5
Dielectric Strength 1 2 1 3 1 1 5 2 2 5
Maximum Service Temp (C°) 121 121 121 121 177 135 149 100 121 260
* HT-Series is a Chase Elastomer USA trade name.
All figures are for guidance and relate only to Robant Services Ltd products.

Relative Ratings

  1. Poor
  2. Fair
  3. Average
  4. Good
  5. Excellent

Acids - Mineral

Nitric acid, sulphuric acid, hydrochloric acid, phosphoric acid.

Acids - Organic

Acetic acid, boric acid

Caustics

Sodium hydroxide, calcium hydroxide

Aliphatic Hydrocarbons

Kerosene, gasoline, hexane, naphtha, mineral spirits, most offset & letterpress printing inks, many lubricants and greases

Chlorinated Hydrocarbons

Methylene chloride, 1,1,1-Trichloroethylene, perchloroethlene

Esters

Ethyle acetate, dioctyl phthalate, tricresyl, phosphate

Alcohols

Methanol, ethonal, isopropyl alcohol

Glycols

Ethylene glycol, glycerine

Ketones

Methyl ethyl ketone (MEK), mythyl isobutyl ketone (MBK), acetone

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