Hillbrush Material Properties

Physical Properties

This quick reference chart gives an overview of physical properties for the materials used within Hillbrush Hygiene range.


	Unit of Measure	Nylon 6	Nylon 66	Polyester PBT	Polypropylene
Specific Gravity		1.12	1.14	1.31	0.9
Melting Point	℃	215	255	225	165
Maximum working temperature	℃	80-100	80-120	80-100	70
Moisture Absorption	%	10	8	0.5	0.01
Tensile Strength (dry)	N/mm2	80	85	36	55
Loss Stiffness (wet)	%	70/80	50/60	1.2	1.2
Abrasion Resistance*		Good	Good	Good	Fair
Bend Recovery		2	2	1	4
Toxicity		NONE	NONE	NONE	NONE
Swelling in water	%	2	2	0	0

See below most commonly used cleaning chemicals and the tolerances of our Hillbrush Hygiene range.


Good	Fair	Poor	Do Not Use