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NF R18-005 (12/1980) Dimensionnal codes for passenger cars.
NF R18-501 (12/1980) (R2001) Trim materials. Determination of linear speed of combustion.
NF R80-001 (12/1980) Plastics. Division into rigid products and flexible products.
NF R80-101 (12/1980) Plastics. Testing of behaviour under clamping. Torque wrench method.
NF R80-501 (12/1980) Flexible plastics and flexible cellular plastics. Staining capability.
NF R81-008 (12/1980) Cellular plastics. Selection criteria.
NF R81-009 (12/1980) Cellular plastics. Method for grading products into rigid, flexible and semi-rigid categories.
NF R81-101 (12/1980) Rigid cellular plastics. Determination of dimensional variations on immersion in fluids.
NF R81-302 (12/1980) Flexible cellular plastics with skin. Cold brittleness test. Falling weight test.
NF R81-301 (12/1980) Flexible cellular plastics with skin. Scratching test.
NF R82-101 (12/1980) Rigid and flexible plastics. Effect on the appearance contact with products used for storage and removal from storage.
NF R83-001 (12/1980) Rigid plastics. Selection criteria.