... other type of hair rollers1,Plastic Core Hair Roller(Plastic Hair Roller) Specifications:Dia13,15,17,20,22,24, ... under take 8.5KG,of horizon tal draw force.Heat Resistance:Melting Point:180°C,Softened at 180° ... Work when temperature is -20°C,and the lower the temperature is,the larger the strength becomes,but ... Fastness to washing CNS 14943.0+Color Fastness to Heat CNS 14653.0+Color Fastness to Sweat CNS ...