Precision Dip Molding
& Plastic Coating

Precision Dip Molding & Plastic Coating • (800)966-9919 • www.piper-plastics.com

Dip Molding

In this process a mandrel (mold) is plastic coated with plastisol. The dipping ( dip molded plastic part ) is removed from the mandrel and becomes the molded part. All of our processes start with plastic coating.

Dip Moldings shown in the picture are:

A nasal cannula for medical oxygen delivery.
A spring-reinforced heart catheter used during open heart surgury.

For more on dip molding see:

Overview of Dip Molding .

Dip Molding - Plastic Coating

Plastic Coating

Plastic coating can be done on metal, glass or other plastics. The coatings are generally applied using either plastisol (a liquid vinyl) or powder (fluidized bed).

Plastic Coatings in the picture are:

A crystal clear electrical connector to see the condition of the wires inside.
An undersink plumbing cover required by the ADA.

For more on plastic coating see:

Plastisol Coating

Fluid Bed Coating

22 fully automatic computer-controlled dip molding / coating centers running 24 hours per day - 4 in a cleanroom

This Web Site Was Updated 11/14/2007

(800) 966-9919 • Phone: (631) 842-6889 • Fax: 631) 842-6870 • http://www.piper-plastics.com

Dip Moldings Overview

Plastic Coatings

Plastic Coatings Overview

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Piper Plastics News Dipped moldings and coatings are very attractive. The visible surface of the part never touches a mold. You only see the perfection of a pristine liquid surface frozen in time by an industrial process. Piper Plastics Corp. specializes in custom plastic coating and dip molding of Plastisol and PVC Vinyl Powder. With over 22 fully automatic computer-controlled dip molding & coating centers running 24 hours per day, Piper is poised to provide you with outstanding quality product in the fastest possible time.
OTHER PROCESSES INCLUDE
Rotational Molding: A hollow metal mold is filled with plastisol, then it is heated and rotated in several planes. The inside of the mold gets coated. When the mold has cooled we remove the finished part. Rotational Molding			Casting Plastisol: Pretty simple. Pour it in a mold. heat it up. Cool it off. Inspect and pack. Casting Plastisol
NEW STUFF
New Machinery: We have just installed two high precision, computer controlled dipping machines in our new clean room. We did it to expand our catheter capability.			Art Supplies: Piper is entering the art supply business. One of our executives is a amateur artist and he has some interesting ideas. We are making a mouth atomizer. The next product will be a masking fluid pen, and the fluid to go with it. If any artists out there have any ideas for things they might need, we would like to hear about it.
Things we make with our processes
Dip Molding		Plastic Coating	Rotational Molding	Casting Plastisol
Catheters Cannula Boots Stethoscopes Probe covers End Caps Hole Plugs Floats	Bellows Tool Handles Adult Toys Fish Lures Floats Suture Covers	Tool handles Baby spoons Antenna Chain Anchors Pole transformers	We make balloons Seals of all kinds Anesthesia masks Mouth to mouth isolation masks	Low duro sheets. Artificial food Refrigerator magnets Key tags
DID YOU KNOW ABOUT CANDLES Dip molding, the second oldest profession, had its origin in candle making. After the second world war, plastisol came on the market for non-military use. Plastisol dippings immediately became the standard for tool handles. It still is.