plastic road drain cover round FRP manhole cover well pit covers

plastic road drain cover round FRP manhole cover well pit covers

Product Description

Product Description
Product Description
plastic road drain cover round FRP manhole cover well pit covers

	Cement manhole cover	Cast iron manhole cover	Magnesium the manhole cover	Playmer manhole cover	FRP manhole cover
Weight	110kg	130kg	80kg	50kg	30kg
Resistance to diamantle strength	15Mpa	21Mpa above	21Mpa	21Mpa	25.8 Mpa
Appearance	cement color	black ,rust	colorful light-colored	colorful unfast	colorful level off , smooth
life	10years	20years	10years	10years	50years
Internal streng then marterial	half-round bars	No	Bamboo reinforcement	reinforced	rebar
usage	Easy happening drop hom cracked breakag gephenomenon	The high cost and the rust easy to steal	Reverse bittern bibulous easy weathering	Encounter heat too fragile encounter heat difficult open and aging	Security environmental protection becutify the environment the cost is low
usage	Easy happening drop hom cracked breakag gephenomenon	The high cost and the rust easy to steal	Reverse bittern bibulous easy weathering

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