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Precision Polymer Z73B

Category:	NBR , Acrylonitrile Butadiene Rubber
Manufacturer:	Precision Polymer Engineering Ltd.
Trademark:	Precision Polymer
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	iGZE74_Precision-Polymer-Z73B.pdf
PRICE:	Order Products email sales@su-jiao.com

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Z73B is a Copolymer of acrylonitrile and butadiene with a medium ACN content of 30 - 45%.

HNBR materials typically provide superior heat resistance, excellent mechanical properties, combined with exceptional resistance to oils, hydrogen sulphide, amines present in crude oil, high energy radiation, ozone and weathering.

Z73B is accepted by the UK Ministry of Defence (MOD) to Defence Standard 02-337 part 1, issue 2 (NES 337) for use on naval ships and submarines.

Available in any sized O-ring (fully moulded up to 2.5m/8ft internal diameter) and custom designed components.

Key Attributes

Excellent chemical resistance

Excellent wear resistance and mechanical properties

Accepted by M.O.D. to Def. Stan. NES 337

Meets ASTM D2000/SAE J200 line call-out M4DH716, A26, B36, EO16, EO36, F17.

Typical Applications

Naval ships and submarines

Oilfield applications

General Information
Features	Ozone resistance Good chemical resistance Good wear resistance Good weather resistance Heat resistance, high Oil resistance
Uses	Ship application Oil/Gas Supplies
Agency Ratings	ASTM D 2000
Appearance	Black

Hardness	Nominal Value		Test Method
IRHD Hardness	70		ASTM D1415, ISO 48

Elastomers	Nominal Value	Unit	Test Method
Tensile Strength (Yield)	16.3	MPa	ASTM D412, ISO 37
Tensile Elongation (Break)	250	%	ASTM D412, ISO 37
Compression Set (135°C, 24 hr)	12	%	ASTM D395, ISO 815

Aging	Nominal Value	Unit	Test Method
Change in Tensile Strength in Air (150°C, 70 hr)	10	%	ASTM D412, ISO 37
Change in Ultimate Elongation in Air (150°C, 70 hr)	-10	%	ASTM D412, ISO 37
Change in IRHD Hardness in Air (150°C, 70 hr)	3.0		ASTM D573, ISO 188

Thermal	Nominal Value	Unit
Maximum Operating Temperature	180	°C

Additional Information	Nominal Value	Unit
Low Temperature Resistance - Non Brittle after 3 mins	-30	°C
Minimum Operating Temperature (Static): -40°C (-40°F)Minimum Operating Temperature (Dynamic): -30°C (-22°F)

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