ISO 4674-1 Constant rate of tear methods
ISO 4674-1 standard specifies the tear resistance of rubber or plastic coated fabrics. The standardization tests a strip of the material. Materials included in this spefication include fabrics, woven fabrics, coated fabrics, fabrics coated with rubber, and fabrics coated with plastics. The test method is classified as a typical mechanical test or tear test.
ISO 4674-2 Ballistic pendulum method
This part of this ISO 4674 describes a method for the determination of tear resistance based on the action of an active force applied to a notched test piece. The test may be carried out on: test pieces that have been conditioned in a standard atmosphere, or test pieces that have undergone pre-treatment, e.g. water immersion. The results obtained by this method are not to be compared with those obtained by methods involving constant rate of tear.
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