China Half Back Blow Plastic Seat for Stadium Arena

Model No.: CS-ZKB-C
Middle back blow seat, Plastic Seat for stadium & arena, sports seating(CS-ZKB-C)
Name: Middle back blow seats
Material: Environment-friendly material of national and international standard
Contact Slips: High-quality galvanized steel
Bearing Pipe: High-quality steel pipe
frame: Die-cast aluminum/ Cast iron (powder-coating)
Installation Method: Side mode
Features:
1/Plastic UV Deterioration Test: - Polymer used in the manufacture is formulated to withstand 3000+ hours of testing.
2/In addition to the above mentioned specification the Tip Up chair should have Gravity Return Mechanism through a gravity tilt counterweight system.
3/For Self Rising Seat Mechanism the chair should comply to ASTM 851-87.
4/The Flammability Test: - the Oxygen Index >/= 21, and to reach B2/ The temperature resist range: +80° C --- -20° C.