V-shaped alarm helmets
Color: Red Yellow Blue White
Lining: plug-in adjustment
Features: The product has high strength, good insulation properties, high temperature, water, acid, alkali, oil and chemical corrosion and so on.
Scope: for electricity, mining, petrochemical, metallurgy, high temperature and other industries.
1, the impact of absorption properties: the low temperature, high temperature water spray pretreatment, with 5Kg heavy steel ball from the height of 1 meter free fall, reached the head on the horizontal force of not more than 4900N.
2, puncture resistance: can withstand 3Kg steel cone (sharp angle of 60 ℃) 1 meter height free fall test, steel cone does not touch the head horizontal.
3, flame retardant properties: according to the provisions of the national GB2812-89 flame burning cap shell. 1 second, remove the flame after the burning time of not more than 5 seconds.
4, electrical insulation: AC 1200V high voltage test, 1 minute leakage current of not more than 1.2mA.
5, lateral rigidity: according to the provisions of the national GB2812-89 test, cap shell deformation of not more than 40mm, the residual deformation of not more than 15mm
6, antistatic properties: the provisions of the national GB2812-89 test, the actual measured surface resistance is not greater than 1 × 109Ω.
7, temperature performance: -50 ℃ ~ +100 ℃ deformation.
8, water, acid, alkali, oil, chemical corrosion resistance