Materials & Quality
 At
Regal our dedication is to total quality management. We define
and audit our production processes by taking preventative
action throughout the manufacturing process to ensure your brush
or broom meets the quality standards you desire.
Over the past 70
years our experience has led us to work with a variety of materials
to meet the customers needs. Including Horsehair,
hog
bristle, goat hair, natural vegetable fibers, different grades
of nylon, polypropylene, polyester, styrenics, and a variety of metal
filaments. A variety of materials are available to help
you, our customer, match the brush filament that will give you
the best results for your specific application or industry.
See
the technical bulletin below
for Material properties and Specifications.
Synthetic Fiber Properties
| Property |
Polypropylene |
6 Nylon |
6.6 Nylon |
6.12 Nylon |
Polyester |
Polystyrene |
SAN |
FT-A |
| Tensile Strength (PSI) x 1000 |
40-80 |
40-60 |
50-70 |
40-50 |
40 |
15 |
19 |
19 |
| Stiffness Modulus (PSI) x 1000 |
400 |
350 |
500 |
450 |
350 |
450 |
450 |
450 |
| Water Absorption (%) |
0.03 |
10 |
9 |
3 |
0.33 |
0.03 |
0.3 |
0.3 |
| Softening Point (°F) |
240° |
300° |
300° |
300° |
300° |
200° |
200° |
200° |
| Melting Point (°F) |
320° |
420° |
495° |
410° |
430Ê |
215° |
250° |
250° |
|
Important General Fiber Characteristics
| Characteristics |
Polypropylene |
Nylons |
Polyester |
Styrenics |
Natural Vegetable Fibers |
| Abrasion Resistance |
Good |
Excellent |
Excellent |
Poor |
Poor |
| Flex Life |
Excellent |
Excellent |
Excellent |
Poor |
Poor |
| Bend Recovery |
Good |
Excellent |
Excellent |
Poor |
Poor |
| Resistance to taking a set |
Fair |
Good |
Good |
Excellent |
Good |
| General Solvent Resistance |
Good |
Good |
Good |
Poor |
Good |
| Flicking Action (Springiness) |
Good |
Excellent |
Excellent |
Excellent |
Good |
| Retention of Stiffness (in water) |
Excellent |
Good-Poor |
Excellent |
Excellent |
Good-Fair |
|
Chemical and Environmental Resistance
| Resistance To |
Polypropylene |
Nylon 6,6.6,6.12 |
Polyester |
Polystyrene |
SAN Durastran FT |
| Dilute Acids |
Excellent |
Good-Poor |
Good |
Good |
Good |
| Dilute Alkalias |
Excellent |
Excellent |
Good |
Good |
Good |
| Alcohols, Vegetable Oils |
Excellent |
Good |
Excellent |
Poor |
Good |
| Gasoline, Petroleum Distillates |
Good |
Excellent |
Excellent |
Poor |
Good-Fair |
| Turpentine |
Good |
Excellent |
Excellent |
Poor |
Poor |
| Benzine, Aromatic Hydrocarbons |
Fair-Good |
Excellent |
Excellent |
Poor |
Poor |
| Acetone, Ketones |
Excellent |
Good |
Excellent |
Poor |
Poor |
| Ethyl Acetate, Esters |
Good |
Good-Excellent |
Excellent |
Poor |
Poor |
| Trichlorethylene, Chlorinated Hydrocarbons |
Fair-Good |
Good-Excellent |
Good-Fair |
Poor |
Poor-Good |
| Prolonged Exposure to Hot Water |
Fair-Good* |
Good |
Good-Fair |
Good |
Good |
| Resistance to Sunlight** |
Fair |
Fair |
Good |
Good |
Good |
|
Excellent - No Attack
Good - Limited Attack, temporary loss of stiffness; works well in
most cases
Fair - More rapid attack, intermittent exposure, acceptable in most
cases
Poor - Extensive attack, not recommended
*Prostran WP-40 has greatly enhance resistance
**Black color greatly increases resistance to sunlight
NOTE: Chemical resistance was measured at room temperature. Consult
our R&D department for additional information on specific chemicals.
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