Evaluation of Plasticisers for PVC for Medical Devices, Miljøstyrelsen

Evaluation of Plasticisers for PVC for Medical Devices

Table 12
Total assessment

Compound No./Material		036 DEHP	037 DINP	038 DEHA	039 DEHS	040 TEHTM	041 Benzoate	042 Polyadipate	043 ATBC	106 EAC Terpolymer	EVAC
Availability		+	+	+	+	+	+	+	+	?	+
Compatibility		+	+	+	+	+	+	+	+	+	n.a.
Plasticising efficiency index ¹)	Expected	+	+	+	+	+	+	?	-	-	n.a.
Plasticising efficiency index ¹)	Experienced ²)	+	+	+	+	+	+	+	+	+	n.a.
Processability	Compounding
	Injection moulding	No specific difficulties experienced
	Calendering	No experience gained from this project
Cost	Plasticiser cost index ³)	100	100	120	500-700	400-500	200	350-700	300	500-600	n.a.
Cost	Processing cost index ³)	100	100	120	120-140	120-140	?	150-200	150	?	?
Physical properties of plasticiser		+	+	+	+	+	+	+	+	+	n.a.
Physical properties of compound	Tensile strength of injection mouldings	+	+	+	(+)	+	+	+	+	134	÷
	Tensile strain at break of injection mouldings	+	+	+	+	(÷)	(÷)	+	+	÷	+
	Tensile strength of roll milled film	+	+	+	(÷)	+	+	+	+	+	n.a.
	Tensile strain at break of roll milled film	+	+	+	(÷)	+	÷	+	+	(÷)	n.a.
	Density	+	+	+	+	+	+	+	+	+	+
	Cold flex. temp. [°C]	+	+	+	+	+	(÷)	?	+	÷	+
	Light transmission [%]	+	+	+	+	+	+	+	+	+	n.a.

¹) The efficiency index indicates weight parts of plasticiser necessary to gain approximately the same Shore A hardness as with 100 parts DEHP
²) Calculated from the parts added at the preparation of the test compounds.
³) Expected values relative to DEHP.