Protective helmets. Test methods - Shock absorption Ingestion-build-117251 and forms apatite which is

and forms apatite which is similar to bone mineral in its composition and structure

BS 3424-26 is an international standard that focuses on maintaining the good quality of rubber or plastic-coated fabrics

Annex D (informative) – Environmental checklist

this standard provides useful information that may be more difficult to find elsewhere especially when dealing with measurements that refer to old units

Protective helmets. Test methods - Shock absorption Ingestion-build-117251 and forms apatite which is1 Scope The European Standard specifies methods of test for protective helmets. The purpose of these tests is to enable assessment of the performance of the helmet as specified in the appropriate helmet standard. This European Standard specifies the method for determination of shock absorption.