ACM

Polyacrylate Rubber (ACM)

Features:
Abbreviation                                             ACM
ASTM D-2000 classification                      DF,DH,EH

General Characteristics
Tensile Strength                                        Poor
Elongation                                                Poor
Rebound Resistance                                  Limited
Tear Resistance                                         Poor
Abrasion-Resistance                                  Limited
Impact Strength Resistance                        Poor
Gas Impermeability Resistance                  Limited
Ozone Resistance                                      Good
Weathering Resistance                               Good
Flame Resistance                                      Good
Heat Resistance                                         Good
Low Temperature Resistance                     Poor
Oil and Fuel Resistance                             Good
Animal and Vegetable Oil Resistance         Excellent 
Alcohol Resistance                                    Good
Alkaline Resistance                                   Poor
Acid Resistance                                        Limited
Aliphatic-solvent Resistance
   -Aliphatic                                             Excellent
   -Aromatic                                             Limited
Oxygenated-Solvent Resistance                  Poor
Water Resistance                                       Poor
Adhesion To Metals                                  Good

Advantage:
1. Excellent ozone, weather and hot air resistance.
2. Excellent resistance to lubricants containing many additives at high temperature.
3. Mainly used in automotive application.

Disdvantage:
1. Only a medium physical strength and low elasticity.
2. Not recommended for ketones, low molecular weight esters and nitro containing compounds.

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