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Rotational Molding Plastic Road Safety Barrier

Product Details

Place of Origin: Shanghai,China

Brand Name: OEM

Model Number: OEM

Payment & Shipping Terms

Minimum Order Quantity: 1 set

Price: $3000-$10000

Packaging Details: wooden case for mould, air bubble film for products

Delivery Time: 35 days

Payment Terms: 50% advanced payment, the balance before shippment, T/T

Supply Ability: 500sets/year

Get Best Price

Product Details

Product Description

Product Details

Highlight:

Mold Material:	Steel	Mold Life:	10000 Pieces
Surface Treatment:	Smooth Surface, Sandblasting	Wall Thickness:	2.5mm
Design Software:	UG,solidworks	Lead Time:	35 Days
Package:	Wooden Case

Mold Material:	Steel
Mold Life:	10000 Pieces
Surface Treatment:	Smooth Surface, Sandblasting
Wall Thickness:	2.5mm
Design Software:	UG,solidworks
Lead Time:	35 Days
Package:	Wooden Case

Product Description

Product Name	Rotational Molding Plastic Road Safety Barrier
Material	steel
Surface treatment	Polish, Sandblasting, Telfon coating
Wall thickness	2.5mm
Mould life	Over 5000 shots
Mould Process	Design, foam, casting, CNC process, Polish, Frame, Test, Packing
Platic Material	LLDPE, MDPE, HDPE, CROSS LINKED PE
Our service	help you design with our professional experience for rotational mold

Rotational Molding Plastic Road Safety Barrier 0

Rotational Molding Plastic Road Safety Barrier 1

1. About Rotational Moulding: Rotational moulding, known also as rotomolding or rotocasting, is a process for manufacturing hollow plastic products. For certain types of liquid vinyls, the term slush molding is also used. Rotational molding has particular advantages in terms of relatively low levels of residual stresses and inexpensive molds. Rotational molding also has few competitors for the production of large (> 2 m3) hollow objects in one piece. Rotational molding is best known for the manufacture of tanks but it can also be used to make complex medical products, toys, leisure craft, and highly aesthetic point-of-sale products.

The process begins with specially developed and uniquely applied resins. They can include plastisols, polyethylene, polycarbonate, acetate butyrate, polyamide, elastomers, polyurethane, polypropylene, ethylene vinyl acetate and fluorocarbons. Some of the most advanced work is being done with cross-linked polyethylene and even nylon.

The principle of rotational molding of plastics is simple. Basically the process consists of introducing a known amount of plastic in powder, granular, or viscous liquid form into a hollow, shell-like mold.The mold is rotated and/ or rocked about two principal axes at relatively low speeds as it is heated so that the plastic enclosed in the mold adheres to, and forms a monolithic layer against, the mold surface. The mold rotation continues during the cooling phase so that the plastic retains its desired shape as it solidifies. When the plastic is sufficiently rigid, the cooling and mold rotation is stopped to allow the removal of the plastic product from the mold. At this stage, the cyclic process may be repeated. The basic steps of (a) mold charging, (b) mold heating, (c) mold cooling, and (d) part ejection are shown in Figure below.

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