[Retracted] Mechanical and Morphological Studies of Sansevieria trifasciata Fiber-Reinforced Polyester Composites with the Addition of SiO₂ and B₄C

Table 1

Prepared composite materials.

Sample code	Matrix	Fiber	SiO2	B4C
C1	60	20	20	0
C2	60	20	15	5
C3	60	20	10	10
C4	60	20	5	15
C5	60	20	0	20