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Cold-dip galvanizing and spray-coating are generally used in rural or mountainous roads. Compared with hot-dip galvanizing, this surface treatment is less expensive and more beautiful in appearance. Hot-dip galvanizing Hot-dip galvanizing has the best corrosion resistance. This surface treatment is mostly used in places with harsh environments and is widely used across the country.
The corrugated guardrail is a protective guardrail specially used on highways
Double corrugated guardrail board: ＊＊＊/Three-wave corrugated guardrail board: ＊＊＊／
Corrugated guardrail board column and There are two ways to connect boards: anti-block type and bracket type. Highway corrugated guardrail boards are also divided into nine-hole plates and ten-hole plates according to the connectors
Corrugated guardrail board columns: *. br/> The commonly used column specifications for general highways are: .m, .m. Ordinary highways are generally between .-.m according to customer needs
Accessories of highway corrugated guardrails include:
Corrugated guardrails Bracket: **thickness, corrugated guardrail board Resistance block: ***thickness, corrugated guardrail board column cap classification: *, *, **
Corrugated guardrail board beam gasket **thickness corrugated guardrail board matching bolts :*,*,*,(*)
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Sichuan corrugated guardrail manufacturer GR-A-4C corrugated guardrail installation