Table 1. Feedstocks for preparing the kenaf-fiber preforms and their components.

Specimen	Feed (g)		hBN loading efficiencyb (%)	Component (%)c
	Fibera	hBN		Fiber	hBN
Kenaf	23	—	—	100.0	—
Kenaf/hBN-A	23	40	82.1	50.5	49.5
Kenaf/hBN-B	23	60	92.7	37.6	62.4
Kenaf/hBN-C	23	80	94.7	30.7	69.3

^aAlkali-retted kenaf fiber.

^bhBN loading efficiency = (amount of hBN loaded onto kenaf fiber)/(amount of hBN feed).

^cIn volume fraction.