[Retracted] Preparation and Sound Insulation Performance of Polystyrene Building Flame Retardant and Thermal Insulation Building Materials

Table 1

Formula of flame retardant PS composites.

Sample	Magnesium hydroxide (MH)	Modified magnesium hydroxide (MMH)	Polystyrene (PS)
Pure PS	0	0	100
PS-MH	3	0	99
PS-MMH-1	0	1	98
PS-MMH-2	0	2	99
PS-MMH-3	0	3	97
PS-MMH-4	0	4	96