중국에서 철강 도매

농업용 터널 온실

Cover material	PO	PE film	Polycarbonate
Product life	15~20 years	1~5 years	10~15 years
Impact strength	Weak (Fragile)	Weak (Torn)	Tough (250 times of glass)
Light transmission	90%	85%	90%
Light stability	Excellent	Fair	Excellent,but decline over time
Heat insulation	Fair	Fair	Excellent
Maintenance	Replaceable	Reparable	Replaceable

농업용 단일 경간 온실 중고 판매 상업용 온실
Frame Structure	Thickness	mm	1.0-2.5
	Size	mm	15×20~100×200
	Zinc Coating	g/m2	50~120, could be thicker than 80g/m2 if you need
Coverage	light transmittance		≥88%
	tensile strength	MPa	≥23
	temperature	℃	-15~60
	Tear resistance (gf / micron)	gf / micron	≥10
Design Parameters	Wind resistance	km/h	120
	Wind load	KN/m2	0.35
	Rain drainage	m3/h	140
	Permanent load	KN/m2	0.15