Products / DOCAPRÉN (PP – polypropylene)

DOCAPRÉN (PP – polypropylene)

Category A
Main characteristics: 

tensile stress at yield: min.30 MPa,
modulus of elasticity: min. 1300 MPa,
chemically resistant, weather resistant,
good weldability,
temperature range of use: from –20ºC to +90ºC
hardness: 70 MPa (ball indentation H961/30),
density: 0,91 kg/dm3,
lower purchase price (in comparison with other technical plastics),
machinable,
electric insulating capability, even in wet medium.

Basic grade: 
The PP-h, the unfilled, unreinforced homo-polymer versions, such as DOCAPRÉN sheets and board are widely used in industry and everyday life.
Special grade: 
Reinforced, composite versions exist to satisfy special requirements, but characteristically not in semi-finished product use but in the mass production (injection molding) of special parts, such as for example in auto industry.
Main areas of use: 
Machine parts exposed to a smaller degree of mechanical wear, such as for example bearings, gearwheels, instrument housings, reservoirs, parts used in electroplating technology; electrically insulating parts; tanks, reservoirs used in the chemical industry, equipment, instruments used in the entertainment and advertising industry; elements of material handling systems, chutes, etc. exposed to a lower degree of wear. [At each application, the decrease of impact strength arising from the embrittlement of the material at low temperatures (below –10°C) has to be taken into account.]
Machining technology: 

Cutting (turning, milling, drilling, sawing): only traditional metalworking – or in certain cases, woodworking tools – carbon steel, rapid steel, hard metal, diamond can be used only in sharp design. Cooling is recommended, which allows high cutting rates, e. g. v = 200 –400 m/min for turning and milling, v = 50 –100 m/min for drilling.
Adhesive bonding: hard to apply.
Welding, forming: feasible.

DOCAPRÉN (PP – polypropylene) Products

DOCAPRÉN EL-S

Extruded plates
Color: 
black

Flame retardant and electrically conductive PP version. It is ideal in microelectronics.

DOCAPRÉN-C

Extruded plates
Color: 
grey, black

With ethylene monomer co-polymerized PP version having toughness at temperature down to -30°C-ig beside good mechanical and chemical resistant properties.

DOCAPRÉN-GF30

Extruded rods
Color: 
black

30% glass fibre reinforced version. Improved dimensional stability and heat resistance.

DOCAPRÉN-H

Extruded rods, Plates, tubes
Color: 
grey, natural

Unreinforced PP homopolymer. It has outstanding chemical resistance. Often used in chemical engineering, galvanotechnology, ventilation and equipment manufacturing, laboratory technology.

DOCAPRÉN-S

Extruded plates
Color: 
grey

Flame retardant version of Docaprén PP-H.

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