Specification polyethylene materials for moulding and extrusion / 
British Standards Institution 
 - leaves :  illustrations ;  30 cm. 
 - British standard ;  BS 3412 : 1976 .
 - British standard ;  BS 3412 : 1976 .
<br/><br/><label>ISBN: </label>0580087042 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Density measurement.<br/>Chemical composition.<br/>Iodine number.