ARPRO 3122

Identification & Functionality

Additives Included

Carbon Black

Chemical Family

Polyolefins,

Polypropylenes (PP)

Core Type

Thermoplastic Foam

Polymer Name

Polypropylene Copolymer

Composite Materials Functions

Core Material

Technologies

Composite Materials

Product Families

Composite Materials — Core Materials

Foam Cores

Features & Benefits

Labeling Claims

Food Contact Acceptable,

Non-Toxic

Materials Features

Low Shrinkage,

Thermally Insulating

Applications & Uses

Markets

Automotive & Transportation,

Building & Construction,

Consumer Goods,

Printing & Packaging

Applications

Automotive & Transportation — Automotive

Interior,

Safety Systems

Building & Construction — Building Materials

Other Building Materials

Printing & Packaging — Packaging

Food & Beverage Packaging,

Other Packaging Materials

Consumer Goods — Sports & Recreation

Plastics & Elastomers End Uses

Automotive Interior Parts,

Automotive Safety,

Construction Applications,

Flexible Packaging,

Food Packaging

Properties

Physical Form

Foam

Typical Properties

	Value	Units	Test Method / Conditions
Weight	1.2	mg	—
Size	3-5	mm	—
Bulk Density	20.5-23.5	g/l	—

Regulatory & Compliance

Certifications & Compliance

ISO 10993,

ISO 14001,

ISO 9001,

REACH Exempt (Europe)

Food Approved

Yes

Technical Details & Test Data

Physical Properties

	Test method	30g/l	40g/l
Compressive strength   25% strain (kPa)   50% strain (kPa)   75% strain (kPa)	ISO 844   5 mm/min	150   220   460	210   300   600
Tensile strength (kPa)   Tensile elongation (%)	ISO 1798	430   21	550   19
Compression set   25% strain – 22 hours – 23°C (%)	ISO 1856 (Method C)    Stabilizing 24h	12.0	11.5
Burn rate (mm/min)	ISO 3795   12.5mm thick	80	60

Moulding

ARPRO 3122 can be molded using Crack Fill (CF) and Pressure Fill (PF):
Crack fill: preferably applied to Pre-Treated (PT) ARPRO.
Pressure fill: applied to either Pre-Treated (PT) or Non-Pre-Treated (NPT) ARPRO.

Pre-treatment

Recommended pre-treatment cycle with pressure tank environment and incoming compressed air both at 23°C:
Crack fill: 6 hours up to 3.5 bar, hold for 2 hours at 3.5 bar, decrease and maintain at 1.5 bar throughout production.
Pressure fill: 5 hours up to 1 bar,  decrease and maintain at 0.5 bar throughout production.

Pre-treatment cycles can be adapted according to molding process, density and part geometry:
If internal cell pressure is too high, this may lead to fusion issues. In this case, decrease time, pressure or temperature to improve fusion.
Increase time, pressure or temperature to reduce molded density and improve aspect.
Operating the pressure tank above ambient temperature, up to a maximum of 50°C, significantly shortens pre-treatment time.

Post-treatment

For molded densities below 50g/l and depending on the parts dimensions, post-treatment at a temperature of 80°C is recommended for 3 to 8 hours. This helps to remove water content, as well as ensuring dimensional stability and a geometric shape.

Shrinkage

Typical values range from 2% to 2.6%. The higher the molded density, typically the lower the shrinkage.

Packaging & Availability

Packaging Type

Bags

Packaging

Bulk/Bag

Storage & Handling

Storage

A storage temperature above 15°C is strongly recommended.
Indoor storage strongly recommended.
If stored outdoors, it is strongly recommended to keep the material indoors for 24 hours before molding.