STAMAX Product Brochure

SABIC®STAMAX

The key to cutting costs in the automotive business! SABIC®

STAMAX is a long glass fi ber reinforced poly-propylene, which

is sold primarily to global system or tier one suppliers and

producers of moulded plastic parts and components for the

automotive industry. SABIC® STAMAX is a unique product that

helps manufacturers reduce their costs without sacrifi cing

the performance of their products, thanks to the ease with

which it can replace steel components and more expensive

composites. It is hardly surprising that interest in this product

is growing so strongly.

Eye-catching applications ...

SABIC® STAMAX resin is used in more than 100 running

automotive applications, primarily in large moulded parts,

such as front-end modules, door modules, hatchbacks,

dashboard frames, bumper beams and seat structures. It

also features in parts such as battery trays and mechanical

and electrical/electronical (E&E) components, where the

composite SABIC® STAMAX composites shows the capability

to replace short glass fi ber reinforced PA and PBT by

offering lower density and price/kg. The product is clearly

aimed at the automotive industry, where most buyers of

SABIC® STAMAX composites are to be found. Leading car

manufacturers such as Volkswagen, Renault, Ford, PSA, Skoda,

SEAT and Mercedes have already successfully incorporated

the above mentioned structures, modules and components

into their most eye-catching models.

... unique features and top service!

SABIC® STAMAX resin is the perfect answer to the car

industry’s demand for lower weight and cost effective

solutions. It stands out from other glass fi ber reinforced

materials because of the opportunities it offers for reducing

costs and the service and engineering support the company

provides to its customers. Its unique properties are the result

of an advanced production process and SABIC’s extensive

knowledge of polymers and additives. The rod-shaped pellets

have a core comprising thousands of thin, pre-impregnated

glass fi bers with a polypropylene shell. SABIC® STAMAX resin

is available in a variety of concentrations (20-60% glass

fi ber), which makes it suitable for an extremely wide range

of load bearing applications. The different concentrations

considerably increase the product’s fl exibility for its users.

Your committed global partner!

For nearly 30 years SABIC has consistently provided

specialist, tailor-made solutions to satisfi ed partners

in the global automotive industry. We are much more

than simply your raw material supplier. Above all, we are

your committed global partner in engineering. We closely

An introduction to SABIC® STAMAX* Long Glass

Fiber-fi lled PP Resins

SABIC Innovative Plastics 2

collaborate with our customers during the development

stage to fi nd the most effective material solutions for each

design, drawing on our lengthy experience in the automotive

sector and our thorough and unique knowledge of material

properties. SABIC® STAMAX components and parts are

engineered according to the customer’s requirements at the

Design & Application Development Centre in Geleen, The

Netherlands, where dedicated engineers use their extensive

experience to fi nd the optimal balance between functionality,

weight and costs.

SABIC secures global supply through its production lines in

Europe and in North America.

Outstanding properties ...

SABIC® STAMAX resin has outstanding properties and can

be readily processed. It offers high stiffness, tensile strength

and impact resistance, low creep and can be used across a

wide temperature range. The plastic has a low coeffi cient

of thermal expansion, a low shrinkage and a high degree of

reproducibility.

... numerous advantages in processing ...

SABIC® STAMAX composite allows components to be injection

moulded in a single piece - a process that is mostly possible

using the customer’s existing injection-moulding machines. In

other words, processing SABIC® STAMAX requires little, if any,

additional investment in new equipment. SABIC® STAMAX is

supplied in the form of 12 mm pellets that are processed via

injection moulding (IM). In extremely demanding applications

where even higher impact resistance is required, 24 mm

pellets in combination with extrusion compression moulding

(ECM) are used.

... working with customers ...

The SABIC global automotive team works closely with our

customers on process and mould design and offers technical

support during processing and production. This service,

alongside the material’s outstanding properties, gives SABIC®

STAMAX resin a real edge in the market.

... and fl exibility!

SABIC® STAMAX resin is also an ideal alternative for converters

who want fl exibility and further cost optimization. The

availability of material with a high glass fi ber content

(up to 60%) means that converters can mix it with virgin

polypropylene on their processing equipment to create the

precise glass fi ber content they require. This ensures optimum

fl exibility and security as:

• There is no need to invest in dedicated compounding

equipment.

• There is no risk concerning material consistency and

properties.

• The converter will never be saddled with non-productive

equipment.


SABIC® STAMAX is a long glass fi ber reinforced polypropylene

SABIC® STAMAX: the product

CONSISTENCY

PP + additives

Glass fibers

SABIC® STAMAX

PRODUCT DIVERSITY


DURABILITY

SABIC® STAMAX: production process

Extrusion

Packaging

SABIC® PP

Glass Roving

SABIC® STAMAX

OUTSTANDING PROPERTIES

Cable wiring

Cooling

Cutting


SABIC® STAMAX (homopolymer-based)

SABIC® STAMAX homopolymer-based materials are used primarily

in interior and under the bonnet applications such as tail-gates,

front-end modules and door structures. The materials offer low-

weight, cost effective solutions due to their extremely high

stiffness and good dimensional stability

SABIC® STAMAX (copolymer-based)

SABIC® STAMAX copolymer-based materials are used primarily

in interior applications such as dashboard carriers. They offer

very high impact performance, fully complying with dashboard

carrier knee and head impact requirements, as well as good

stiffness and smell performance.

Low emission grades are available on request.

THIN WALL CONSTRUCTIONS

LOWEST POSSIBLE SYSTEM COSTS

Grade E-modulus

(N/mm2)

Tensile strength(N/mm2)

Charpyunnotched (+23 oC)

(kJ/m2)

Density

SABIC® STAMAX homopolymer-based

20YM240 4800 81 34 1040

Applications Dashboard carriers, door modules, front end modules

30YM240 7000 109 56 1120

Applications Dashboard carriers, door modules, front end modules, seat shells

40YM240 9400 121 57 1220

Applications Front end modules, hatchback structures, battery trays

60YM240 13500 110 57

Applications Concentrate for dilution

SABIC® STAMAX copolymer-based

20YK270 4300 62 40 1040

Applications Dashboard carriers, interior parts

30YK270 6400 98 66 1120

Applications Dashboard carriers, interior parts

60YK270 12000 102 60

Applications Concentrate for dilution

SABIC® STAMAX Product Portfolio


Target applications SABIC® STAMAX

Front End Modules Door ModulesInstrument Panels

EXCELLENT SUPPLIER

Hatchbacks

OUTSTANDING ENGINEERINGCAPABILITIES


Processing parameters

EASY PROCESSING

SABIC® STAMAX materials can be processed using a wide range of processing parameters, see summary of processing

conditions below and explained overleaf:

Processing conditions SABIC® STAMAX

min. average max.

Pre-drying not required

Melt temperature (°C) 220 250 280

Cylinder settings fl at temperature profi le or slightly hotter towards hopper

Mould temperature (°C) 20 50 80

Back pressure 0 As low as possible 150(specifi c, not oil!) (bar) (preferred) (e.g. 10 bar) (only for specifi c screws)

Screw speed As low as possible (Target: plasticizing during complete cooling and machine time)

Injection speed Moderate

Holding pressure (bar) 300 50 to 80% of injection pressure or ca. 400

Holding time (s)t =1.5 mm 3 5t = 2 mm 6 10t = 3 mm 10 15t = 4 mm 20 25

Cooling time (s)(including holding)t =1.5 mm 8 12 t = 2 mm 15 20t = 3 mm 25 40t = 4 mm 40 65

SHORT CYCLE TIMES


Pre-drying

Material is delivered dry in octabins. For storage in a cold

place, allow material to slowly reach room temperature

before opening the package. When condensation is visible

or could be expected, drying is recommended (2 hours at

T= 80 - 100 °C). For aesthetical parts pre-drying is

recommended.

Melt temperature - cylinder settings

In contrast to many other materials, a fl at or slightly

decreasing temperature profi le yields best results with

respect to optimum fi ber dispersion, a short cycle time, and

minimal glass fi ber damage.

Possible cylinder settings:

To improve the transport of the granules the temperature

of the cooled zone should not be too high; preferred

temperature in the feed block 30 - 60°C.

Due to the high level of thermal stabilization in the material,

cylinder temperatures of 260°C and residence times of

up to an hour do not lead to degradation of the material.

Nevertheless idle times should be avoided, as the length

of molten material bed in the cylinder will increase. As the

material experiences more shear during transport in this

longer molten material bed, the fi ber length and therefore

the mechanical properties may be unnecessarily reduced.

Mould temperature

A broad range of mould temperatures can be used: 20 to

80°C. A typical value is 50°C. High mould temperatures

of around 70 to 80°C may improve the surface fi nish of

the product. (Less glass fi ber marking.) Infl uence of mould

temperature on crystallinity, and hence properties, as found

for many other materials, are negligible.

EXCELLENT HEAT STABILITY


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Typical data.Properties Unit SI Values Test methods Polymer propertiesDensity kg/m3 1040 ISO 1183Glass fibre content Glass Fibre length PP matrix Coeff. of linear thermal expansion -30 °C to 30 °C

%mm -

um/mK

2012Copolymer

-

ISO 3451 SABIC method -ASTM D 696

Mechanical properties 1)

Tensile modulus at 23 °C at 80 °C at 120 °C

MPa MPa MPa

4300 2900 2300

ISO 527/1B

Tensile strength at 23 °C at 80 °C at 120 °C

MPa MPa MPa

724730

ISO 527/1B

Tensile elongation at break at 23 °C % 2.3

ISO 527/1B

Flexural modulus at 23 °C at 80 °C

MPa MPa

3600 2400

ISO 178

Flexural strength at + 23 °C at + 80 °C

MPa MPa

102 62

ISO 178

Falling dart test ISO 6603-2 total energy at 23 °C J/mm 4.9 at – 40 °C J/mm 5.7 Charpy impact unnotched ISO 179/1eA at 23 °C kJ/m2 40at - 30 °C kJ/m2 42Charpy impact notched ISO 179/1eU at 23 °C kJ/m2 16at - 30 °C kJ/m2 21Thermal properties Heat deflection temperature ISO 75/A at 1.80 MPa (HDT/A) °C 157

1) All measurements on injection moulded samples All information supplied by or on behalf of SABIC Europe companies in relation to its products, whether in the nature of data, recommendations or otherwise, is supported by research and believed reliable, but the relevant SABIC Europe company assumes no liability whatsoever in respect of application, processing or use made of the afore-mentioned information or products, or any consequence thereof. The user undertakes all liability in respect of the application, processing or use of the afore-mentioned information or product, whose quality and other properties he shall verify, or any consequence thereof. No liability whatsoever shall attach to any of the SABIC Europe companies for any infringement of the rights owned or controlled by a third partying intellectual, industrial or other property by reason of the application, processing or use of the afore-mentioned information or products by the user.

Description:

SABIC�STAMAX 20YK270 is a 20% long glass fiber reinforced grade with superior flow properties (12 mm glass fiber length). The glass fibres are chemically coupled to the PP matrix, resulting in high stiffness and strength.

SABIC� STAMAX 20YK270 PP long glass fibre reinforced for injection moulding


Typical data.Properties Unit SI Values Test methods Polymer propertiesDensity kg/m3 1120 ISO 1183Glass fibre content Glass Fibre length PP matrix Coeff. of linear thermal expansion -30 °C to 30 °C

%mm -

um/mK

3012Copolymer

-

ISO 3451 SABIC method -ASTM D 696

Mechanical properties 1)

Tensile modulus at 23 °C at 80 °C at 120 °C

MPa MPa MPa

6350 4550 3150

ISO 527/1B

Tensile strength at 23 °C at 80 °C at 120 °C

MPa MPa MPa

986037

ISO 527/1B

Tensile elongation at break at 23 °C % 2.5

ISO 527/1B

Flexural modulus at 23 °C at 80 °C

MPa MPa

5400 3900

ISO 178

Flexural strength at + 23 °C at + 80 °C

MPa MPa

143 79

ISO 178

Falling dart test ISO 6603-2 total energy at 23 °C J/mm 6.9 at – 40 °C J/mm 7.0 Charpy impact unnotched ISO 179/1eA at 23 °C kJ/m2 66at - 30 °C kJ/m2 69Charpy impact notched ISO 179/1eU at 23 °C kJ/m2 22at - 30 °C kJ/m2 22Thermal properties Heat deflection temperature ISO 75/A at 1.80 MPa (HDT/A) °C 158

1) All measurements on injection moulded samples All information supplied by or on behalf of SABIC Europe companies in relation to its products, whether in the nature of data, recommendations or otherwise, is supported by research and believed reliable, but the relevant SABIC Europe company assumes no liability whatsoever in respect of application, processing or use made of the afore-mentioned information or products, or any consequence thereof. The user undertakes all liability in respect of the application, processing or use of the afore-mentioned information or product, whose quality and other properties he shall verify, or any consequence thereof. No liability whatsoever shall attach to any of the SABIC Europe companies for any infringement of the rights owned or controlled by a third partying intellectual, industrial or other property by reason of the application, processing or use of the afore-mentioned information or products by the user.

Description:

SABIC�STAMAX 30YK270 is a 30% long glass fiber reinforced grade with superior flow properties (12 mm glass fiber length). The glass fibres are chemically coupled to the PP matrix, resulting in high stiffness and strength.

SABIC� STAMAX 30YK270 PP long glass fibre reinforced for injection moulding


SABIC Headquarters

SABIC International Subsidaries

and Sales Offices

SABIC Production Sites

SABIC Research and Technology

SABIC Americas

SABIC Asia-Pacific

www.sabic.com

SABIC EuropeSABIC Sales Europe BVEuropaboulevard 16130 PD SittardThe NetherlandsT +31 (0) 46 722 22 22 F +31 (0) 46 722 20 00 SABIC P.O. Box 5101Riyadh 11422Kingdom of Saudi ArabiaT +966 (0) 1 225 8000F +966 (0) 1 225 9000

SABIC AmericasSABIC Americas Inc.Suite 650, Destec Tower2500 City West BoulevardHouston, Texas 77042USAT +1 713 532 4999F +1 713 532 4994

SABIC Asia-PacificSABIC Asia Pacific PTE Ltd.9 Raffles Place55-01 Republic PlazaSingapore 048619T +65 6531 8263F +65 6557 2557

SABIC ChinaSABIC Asia Pacific Pte Ltd.Suite 2106, Jin Mao Tower 88 Century Blvd., Pudong New Area Shanghai 200121People’s Republic of ChinaT +86 21 5047 5688F +86 21 5047 2588

Contact details

All information supplied by or on behalf of any of the SABIC Europe companies in relation to its products, whether in the nature of data, recommendations or otherwise, is supported by research and believed reliable, but the relevant SABIC Europe company assumes no liability whatsoever in respect of application, processing or use made of the afore-mentioned information or products, or any consequence thereof. The user undertakes all liability in respect of the application, processing or use of the afore-mentioned information or product, whose quality and other properties he shall verify, or any consequence thereof. No liability whatsoever shall attach to any of the SABIC Europe companies for any infringement of the rights owned or controlled by a third party in intellectual, industrial or other property by reason of the application, processing or use of the afore-mentioned information or products by the user.

Riyadh

SABIC Europe

STAMAX Product Brochure

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