He believes he's found a better natural fiber for quill bodies: porcupine guard hairs
. These guard hairs
, McLean says, more accurately imitate the smooth, segmented body of a mayfly.
Of these, seal and chinchilla are identified on the basis of the appearance of their down or fur hairs, not by their guard hairs
. This is because guard hairs
are frequently plucked from seal pelts for a more pleasing appearance.
A North American porcupine has quills, guard hair
and fur on their body.
Wool attributes during different seasons Parameters Winter Summer Staple length (cm) 5.18 [+ or -] 0.12 5.10 [+ or -] 0.12 Fiber diameter (micron) 13.50 [+ or -] 0.35 13.96 [+ or -] 0.30 Medulation (%) 90.10 [+ or -] 0.84 89.39 [+ or -] 0.87 Pure fiber (%) 6.28 [+ or -] 0.87 7.06 [+ or -] 0.97 Guard hair
(%) 3.67 [+ or -] 0.55 3.33 [+ or -] 0.43 Parameters Rainy Staple length (cm) 5.37 [+ or -] 0.13 Fiber diameter (micron) 14.30 [+ or -] 0.27 Medulation (%) 88.55 [+ or -] 1.23 Pure fiber (%) 7.78 [+ or -] 1.46 Guard hair
(%) 3.72 [+ or -] 0.44 Table 4.
Profiles of body weight, cashmere fibre and guard hair
nigra by the following pelage characteristics: 1, no or few creamy-white guard hairs
on the back, compared with creamy-white guard hairs
on the waist and buttock areas, but those of P.
Most terrestrial mammals have two hair types, namely, guard hairs
and underfur [13, 15].
A polar bear's coat has two layers of hair - an outer layer, made up of long guard hairs
, and a thick undercoat, made up
In the dehairing process, the thick outer coat and "guard hairs
," often called "waste" in the industry, Johnson notes, are collected in a waste bin.
The long guard hairs
of a musk ox flow like wheat stalks in the wind.
Hair comes in different forms, including the undercoat, or down, which is the softer, fluffier layer that provides warmth, and the guard hairs
, which are generally longer than the undercoat.
The outer guard hairs
of a polar bear's fur are actually clear and hollow, like glass fibers.