Non-toxic explosion-proof: safe material, rest assured that the use of durable wear-resistant Exquisite technology, toughened material: thickness is thickened, quality is more guaranteed. <300℃. High temperature and pressure resistance, good light transmission: high temperature resistance of 300 degrees, safer to use, light transmission rate of less than or equal to 90%. Hydraulic strength: 25kg/cm at room temperature and -10℃; flexural stability: not less than 1100kgf/cm