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UNILATE® PBT

Category:	PBT , Polybutylene Terephthalate
Manufacturer:	Nytef Plastics, Ltd.
Trademark:	UNILATE®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	CSl1ML_UNILATE-PBT.pdf
PRICE:	Order Products email sales@su-jiao.com

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UNILATE PBT is a semi-crystalline polybutylene terephthalate (PBT) material that exhibits excellent rigidity, toughness, and machinability. Additionally, UNILATE PBT offers dimensional stability and wear resistance that meets or exceeds that of nylon and acetal. Due to its superior chemical resistance and
food contact approvals, UNILATE is the preferred material for components in wet and dry food processing applications such as pistons, valves, feed screws, and forming/extrusion dies. For applications involving high speed wear, UNILATE is available in an internally lubricated grade, UNILATE Lf, that provides a much lower coefficient of friction compared to non-lubricated grades.

PRODUCT ATTRIBUTES

225°F continuous use temperature

High strength and stiffness

Excellent toughness

Superior wear resistance

Chemically resistant to chlorine and caustic/acidic cleaning agents

Better UV resistance than acetal or nylon

Very low moisture absorption

Easily machined and fabricated

FDA, USDA, NSF, and 3-A compliant

Very high "value to cost" ratio

INDUSTRIES

Food and dairy processing

Material handling equipment

Fluid handling

Electronics manufacturing

Automotive

APPLICATIONS

Pistons

Valves

Manifolds

Food product forming dies

Timing screws

Scraper blades

Wear strips

Pump components

Gears

Bushings and bearings

General Information
Features	Acid Resistant Chlorine Resistant Food Contact Acceptable Good Chemical Resistance Good Dimensional Stability Good Toughness Good Wear Resistance High Stiffness High Strength Low Moisture Absorption UV Absorbing
Uses	Automotive Applications Bearings Bushings Electrical/Electronic Applications Fluid Handling Food Service Applications Gears Molds/Dies/Tools Pump Parts Valves/Valve Parts Wear Strip
Agency Ratings	FDA Unspecified Rating NSF Unspecified Rating USDA 3A USDA Unspecified Approval
Forms	Preformed Parts Rod

Physical	Nominal Value	Unit	Test Method
Specific Gravity	1.31	g/cm³	ASTM D792
Water Absorption			ASTM D570
24 hr	0.080	%
Saturation	0.50	%

Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (R-Scale)	117		ASTM D785

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	2830	MPa	ASTM D638
Tensile Strength (Yield)	62.1 to 65.5	MPa	ASTM D638
Tensile Elongation (Break)	25 to 100	%	ASTM D638
Flexural Modulus	2930	MPa	ASTM D790
Flexural Strength	82.7	MPa	ASTM D790
Compressive Strength	89.6	MPa	ASTM D695
Coefficient of Friction	0.25		ASTM D1894

Impact	Nominal Value	Unit	Test Method
Notched Izod Impact	53	J/m	ASTM D256

Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load (0.45 MPa, Unannealed)	154	°C	ASTM D648
Continuous Use Temperature	107	°C	Internal Method
Peak Melting Temperature	225	°C	ASTM D3418
CLTE - Flow	8.1E-5	cm/cm/°C	ASTM D696

Electrical	Nominal Value	Unit	Test Method
Volume Resistivity	> 1.0E+15	ohms·cm	ASTM D257
Dielectric Strength ¹	16	kV/mm	ASTM D149
Dielectric Constant			ASTM D150
60 Hz	3.30
1 MHz	3.10
Dissipation Factor (60 Hz)	2.0E-3		ASTM D150

Flammability	Nominal Value	Unit	Test Method
Flame Rating (6.10 mm)	HB		UL 94

Note Message
1 .	Method A (Short-Time)

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