BS 4023:1975

This standard BS 4023:1975 Specification for flexible cellular PVC sheeting is classified in these ICS categories:

• 83.100 Cellular materials

This British Standard specifies requirements for flexible cellular PVC in the form of sheets up to 25 mm in thickness for use in applications involving welding (e.g. padding and quilting). Sheets may be welded together to form long lengths. Two types of sheeting are specified as follows:

Type 1. Physically blown material

Type 2. Chemically blown material.

Hardness grades are specified for each type of sheeting.

Types of physically and chemically blown material. Methods of test.