Paragraph helmet:
specifications: one size
material: PC engineering plastic
riot coefficient shall have at least two stages
executive standard: GB2811-2007
wearing device performance: firm and comfortable to wear, easy to release.
Process 20KG, maintain one-point load, the lace is not torn and torn; The connector and buckle are not loose.
Absorption collision performance: The peak acceleration is less than 300g, the action time exceeds 140g is less than 3ms, and no crack occurs in the shell.
Penetration resistance: Iron awl quality 2KG, iron awl Luo height 1m, iron awl does not penetrate the helmet.
Corrosion resistance: the aging test is conducted according to GB2811-2007, lasting for 5 cycles, and the helmet surface has no obvious erosion, deformation and color loss.
(B) of the helmet:
specifications: one size
material: Steel
riot coefficient: four
executive standard: GA147-2001
wearing device performance: firm and comfortable to wear, easy to release.
Process 30KG, maintain three parts of load, the lace is not torn and torn; The connector and buckle are not loose.
Absorption collision performance: The peak acceleration is less than 500g, the action time exceeds 140g is less than 6ms, and no crack occurs in the shell.
Penetration resistance: Iron awl quality 4KG, iron awl Luo height 2m, iron awl does not penetration helmet.
Corrosion resistance: the aging test is conducted according to GA147-2001, lasting for 8 cycles, and the helmet surface has no obvious erosion, deformation, or color loss.
(C) the helmet:
specifications: one size
material: PC alloy engineering plastic
riot coefficient: three-level
executive standard: GA296-2001
wearing device performance: firm and comfortable to wear, easy to release.
Process 23KG, maintain 2-point load, do not tear lace, tear off; Connector and buckle are not loose.
Absorption collision performance: The peak acceleration is less than 400g, the action time exceeds 150g is less than 4ms, and no crack occurs in the shell.
Penetration resistance: Iron awl mass 3KG, iron awl Luo Gao 1M, iron awl without penetration helmet.
Corrosion resistance: According to GB/T16422.2, the aging test lasts for 7 cycles, and the helmet surface has no obvious erosion, deformation and color loss.
