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

Chemical Resistance Guide

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

 
Good Fair Poor Do Not Use
       
 

Material

Acids- concentrated

Acids- diluted

Alcohol

Alkalis

Aromatic Hydrocarbons

Greases and Oils

Halogenated Hydrocarbons

Halogens

Ketones

Nylon 6

                 

Nylon 66

                 

Polyester PBT

                 

Polypropylene