VESTAMID® NRG 4901 black

About
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&&

About

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&&

Product Description
Supplier	Evonik
Generic	PA12
Material Status	Commercial: Active
Features	Good flexibility,High molecular weight,Durability,Hydrocarbons
Availabilitys	North America,Europe
Process Methods	Extrusion

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.02	g/cm³	ISO 1183

IMPACT	Nominal value	Unit	Test method
Charpy Unnotch Impact strength
-40℃	无断裂		ISO 179/1eU

THERMAL	Nominal value	Unit	Test method
Vicat Softening Temp	170	℃	ISO 306/A
Melting temperature	177	℃	ISO 11357-3

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s D	73		ISO 868
Ball hardness	76.0	MPa	ISO 2039-1
Tensile modulus	1350	MPa	ISO 527-2
tensile strength
yield	40.0	MPa	ISO 527-2
Tensile strain			ISO 527-2
yield	12	%	ISO 527-2
fracture	> 150	%	ISO 527-2

Process Conditions
Extrusion	Nominal value	Unit	Test method
Drying temperature	80	°C
Drying time	2.0 to 4.0	hr
Melt temperature	230 to 280	°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. H 30
3. 2nd heating
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