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VESTAMID® NRG 4901 black

Category:	Nylon 12 , Polyamide 12
Manufacturer:	Evonik Industries AG
Trademark:	VESTAMID® NRG
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	Lg6iZ9_VESTAMID-NRG-4901-black.pdf
PRICE:	Order Products email sales@su-jiao.com

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Message
For Steel Pipe Protection (Encasement) VESTAMID® NRG 4901 black offers a flexible, mechanically tough encasement system that combines the advantages of polyethylene coating and cement mortar casing. Uses of VESTAMID® NRG Products: The important advantages of VESTAMID® NRG 4901 as an encasement material are: unusually high impact resistance and toughness, even at low temperatures excellent stress cracking resistance excellent wear resistance low sliding friction coefficient Product characteristics compared with other encasement materials: VESTAMID® NRG 4901 black has higher Shore hardness than polyethylene or polypropylene. In contrast to polyethylene or propylene encasement, therefore, the polyamide encasement offers, apart from the corrosion protection provided by the barrier effect, also mechanical protection for the encased steel pipe. Application areas for the new encasement material are found in non-conventional installation technologies such as: horizontal directional drilling the soil displacement method with non-steered displacement hammers dynamic ramming plow technology We recommend a processing temperature between 230°C (446°F) and 260°C (500°F) - in some cases up to 280°C (536°F) - during the extrusion process. Drying at 80°C (176°F) for 2 hours to 4 hours before processing is recommended.

Message

For Steel Pipe Protection (Encasement)

VESTAMID® NRG 4901 black offers a flexible, mechanically tough encasement system that combines the advantages of polyethylene coating and cement mortar casing.

Uses of VESTAMID® NRG Products:
The important advantages of VESTAMID® NRG 4901 as an encasement material are:

unusually high impact resistance and toughness, even at low temperatures

excellent stress cracking resistance

excellent wear resistance

low sliding friction coefficient

Product characteristics compared with other encasement materials:
VESTAMID® NRG 4901 black has higher Shore hardness than polyethylene or polypropylene. In contrast to polyethylene or propylene encasement, therefore, the polyamide encasement offers, apart from the corrosion protection provided by the barrier effect, also mechanical protection for the encased steel pipe.

Application areas for the new encasement material are found in non-conventional installation technologies such as:

horizontal directional drilling

the soil displacement method with non-steered displacement hammers

dynamic ramming

plow technology

We recommend a processing temperature between 230°C (446°F) and 260°C (500°F) - in some cases up to 280°C (536°F) - during the extrusion process.

Drying at 80°C (176°F) for 2 hours to 4 hours before processing is recommended.

General Information
Features	Durable Good Toughness High Molecular Weight Hydrocarbon Resistant
Appearance	Black
Processing Method	Extrusion

Physical	Nominal Value	Unit	Test Method
Density (23°C)	1.02	g/cm³	ISO 1183

Hardness	Nominal Value	Unit	Test Method
Shore Hardness (Shore D)	73		ISO 868
Ball Indentation Hardness ¹	76.0	MPa	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	1350	MPa	ISO 527-2
Tensile Stress (Yield)	40.0	MPa	ISO 527-2
Tensile Strain			ISO 527-2
Yield	12	%
Break	> 150	%

Impact	Nominal Value	Unit	Test Method
Charpy Unnotched Impact Strength (-40°C)	No Break		ISO 179/1eU

Thermal	Nominal Value	Unit	Test Method
Vicat Softening Temperature	170	°C	ISO 306/A
Melting Temperature ²	177	°C	ISO 11357-3

Extrusion	Nominal Value	Unit
Drying Temperature	80.0	°C
Drying Time	2.0 to 4.0	hr
Melt Temperature	230 to 280	°C

Note Message
1 .	H30
2 .	2nd Heating

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