Data Sheet

Eastar 6763

Eastman Chemical Company - Polyester, Thermoplastic

General Information

Product Description

Eastar copolyester 6763 is a clear, amorphous material. Because of its clarity, toughness and good melt strength at processing temperatures, it is useful in a variety of processing techniques including film and sheet extrusion. Eastar Copolyester 6763 may be colored using color concentrates, dry colors or liquid colorants.

General

Material Status

Commercial: Active

Availability

Africa

Asia

Australia

Europe

Latin America

Middle East

North America

Pacific Rim

South America

Test Standards Available

ASTM

ISO

Features

Amorphous

Clarity, High

Melt Strength, Good

Toughness, Good

Uses

Electrical/Electronic Applications

Film

Furniture

Household Goods

Lids

Medical Applications

Packaging

Packaging, Cosmetic

Packaging, Food

Pharmaceuticals

Sheet

Sporting Goods

Toys

Wrap, Shrink

Writing Instruments

Appearance

Clear

Forms

Pellets

Processing Method

Extrusion, Film

Extrusion, Sheet

ASTM and ISO Properties ¹
Physical	Nominal Value	Unit	Test Method
Density -Specific Gravity	1.27	sp gr 23/23°C	ASTM D792
Density	1.27	g/cm³	ASTM D1505
Density (Method D)	1.27	g/cm³	ISO 1183
Water Absorption @ 24 hrs	0.13 0.13	%	ASTM D570
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	305000	psi	ASTM D638
Tensile Modulus	305000	psi	ISO 527-1, -2
Tensile Strength @ Yield	7250	psi	ASTM D638
Tensile Stress at Yield	7250	psi	ISO 527-1, -2
Tensile Strength @ Break	4060	psi	ASTM D638
Tensile Stress at Break	4060	psi	ISO 527-1, -2
Tensile Elongation @ Brk	130	%	ASTM D638
Tensile Strain at Break	100	%	ISO 527-1, -2
Flexural Modulus	305000	psi	ASTM D790
Flexural Modulus	290000	psi	ISO 178
Flexural Strength	9860	psi	ISO 178
Flexural Strength @ Yield	10200	psi	ASTM D790
Films	Nominal Value	Unit	Test Method
Film Thickness - Tested	9.84	mil
Secant Modulus MD	276000	psi	ASTM D882
Secant Modulus TD	276000	psi	ASTM D882
Tensile Strength @ Yld MD	7540	psi	ASTM D882
Tensile Strength @ Yld TD	7540	psi	ASTM D882
Tensile Strength @ Brk MD	8560	psi	ASTM D882
Tensile Strength @ Brk TD	7980	psi	ASTM D882
Elongation @ Yield MD	4.0	%	ASTM D882
Elongation @ Yield TD	4.0	%	ASTM D882
Elongation @ Break MD	400	%	ASTM D882
Elongation @ Break TD	400	%	ASTM D882
Dart Drop Impact ²			ASTM D1709
(0 °F)	500	gm
(73 °F)	400	gm
Elmendorf Tear Str MD	1400	gm	ASTM D1922
Elmendorf Tear Str TD	1700	gm	ASTM D1922
Trouser Tear Resistance			ISO 6383-1
(7.9 in/min)	MD: 206	lbf/in
(7.9 in/min)	TD: 206	lbf/in
Oxygen Permeability	25	ccmil/100in²at-d	ASTM D3985
Impact	Nominal Value	Unit	Test Method
Notched Izod Impact			ASTM D256
(-40 °F)	0.693	ft-lb/in
(73 °F)	1.89	ft-lb/in
Notched Izod Impact Strength ³			ISO 180
(-40 °F)	2.00	ft-lb/in²
(73 °F)	2.95	ft-lb/in²
Unnotched Izod Impact			ASTM D256
(-40 °F)	No Break	ft-lb/in
(-22 °F)	No Break	ft-lb/in
(-4 °F)	No Break	ft-lb/in
(73 °F)	No Break	ft-lb/in
Unnotched Izod Impact Strength ⁴			ISO 180
(-40 °F)	No Break	ft-lb/in²
(-22 °F)	No Break	ft-lb/in²
(-4 °F)	No Break	ft-lb/in²
(73 °F)	No Break	ft-lb/in²
Instrumented Dart Impact			ASTM D3763
(-40 °F, 0.0984 in)	Energy at Peak Load: 363	in-lb
(-40 °F, 0.126 in)	Energy at Peak Load: 443	in-lb
(73 °F, 0.0984 in)	Energy at Peak Load: 248	in-lb
(73 °F, 0.126 in)	Energy at Peak Load: 292	in-lb
Multi-Axial Instrumented Impact Energy			ISO 6603-2
(-40 °F, 0.0984 in)	Energy to Peak Force: 25.8	ft-lb
(-40 °F, 0.126 in)	Energy to Peak Force: 26.6	ft-lb
(73 °F, 0.0984 in)	Energy to Peak Force: 29.5	ft-lb
(73 °F, 0.126 in)	Energy to Peak Force: 32.5	ft-lb
Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (R-Scale)	106		ASTM D785
Rockwell Hardness (R-Scale)	109		ISO 2039-2
Thermal	Nominal Value	Unit	Test Method
DTUL @66psi - Unannealed	158	°F	ASTM D648
DTUL @264psi - Unannealed	147	°F	ASTM D648
Glass Transition Temp	176	°F	DSC
Vicat Softening Point	185	°F	ASTM D1525
CLTE, Flow	0.000028	in/in/°F	ASTM D696
Specific Heat			ASTM C351
(140 °F)	0.311	Btu/lb/°F
(212 °F)	0.421	Btu/lb/°F
(302 °F)	0.449	Btu/lb/°F
(392 °F)	0.471	Btu/lb/°F
(482 °F)	0.490	Btu/lb/°F
Thermal Conductivity	1.5	Btu-in/hr/ft²/°F	ASTM C177
Electrical	Nominal Value	Unit	Test Method
Surface Resistivity	1.0E+16	ohms	ASTM D257
Volume Resistivity	1.0E+15	ohm-cm	ASTM D257
Dielectric Strength ⁵	406	V/mil	ASTM D149
Dielectric Constant			ASTM D150
(1000 Hz)	2.600
(1E+6 Hz)	2.400
Dissipation Factor			ASTM D150
(1000 Hz)	0.0050
(1E+6 Hz)	0.020
Arc Resistance	158	sec	ASTM D495
Optical	Nominal Value	Unit	Test Method
Gloss (45°)	108		ASTM D2457
Transmittance	89.0	%	ASTM D1003
Clarity	85.0		ASTM D1746
Haze	0.80	%	ASTM D1003
Additional Properties
CO2 Permeability, ASTM D1434, 23°C: 49 cm³-mm/m²/24 hr/atm PPT Tear Resistance, ASTM D2582, MD: 93 N PPT Tear Resistance, ASTM D2582, TD: 93 N Tear Propagation Resistance, ASTM D1938, Split Tear Method, 254 mm/min, MD: 9.1 N Tear Propagation Resistance, ASTM D1938, Split Tear Method, 254 mm/min, TD: 9.1 N Water Vapor Transmission Rate, ASTM F372: 6 g/m²/24 hr Regular Transmittance, ASTM D1003: 89% Total Transmittance, ASTM D1003: 91%

Notes
¹	Typical properties: these are not to be construed as specifications.
²	Method A
³	Type 1, Notch A
⁴	Type 1
⁵	Method A (Short-Time)

Makes no representation or warranty of any kind, express or implied, with respect to this product, as to merchantability, Fitness for particular purpose or otherwise. The data listed represents average values and are believed to be reliable, They are given for information; no guarantee of their accuracy is made, however, and the product is sold upon condition that purchasers shall make their own test to determinate the characteristics of the product and the suitability of the product for their particular process.