GB/T 1843-2008 - Plastics — Determination of Izod impact strength

GB/T 1843-2008 specifies the standard testing method for determining the Izod impact strength of plastics using a pendulum-type impact tester. This method measures the energy required to break a specimen, providing data on the material's toughness and its ability to withstand sudden impacts.

Scope:

• Test Method: Covers testing procedures for notched plastic specimens under controlled conditions.
• Measurement: The energy absorbed during fracture is measured and expressed as energy per unit width of the specimen.
• Material Applicability: Suitable for a wide range of plastics, including reinforced and unreinforced types.
• Environment Conditions: Allows testing at different temperatures to evaluate the effects of environmental factors.

Applications:

• Material Selection: Used for selecting plastics that need to meet specific impact strength requirements.
• Quality Control: Ensures consistency and reliability in plastic manufacturing processes.
• Performance Testing: Evaluates the toughness and durability of plastic materials under impact conditions.
• Research and Development: Supports the development of plastics with improved mechanical properties.