IROGRAN® A 95 K 4640 Huntsman Thermoplastic Polyurethane Elastomer (Polycaprolactone)

Product Description

IROGRAN A95K 4640 is a caprolactone-based thermoplastic polyurethane. The material has been developed for injection molding applications requiring exceptional performance in terms of compression set, wear resistance and hydrolysis resistance over conventional polyester-based TPUs.

IROGRAN A95K 4640 is part of the High Performance Injection Molding product range and offers a specially designed, flexible material suitable for the production of seals, wheels and rollers, coupling halfs and o-rings.

PERFORMANCE FEATURES

High wear resistance

Low compression set

Short cycle times

Excellent hydrolysis resistance

Resistant to high dynamic loads

General

Material Status

Commercial: Active

Availability

North America

Features

Fast Molding Cycle

Good Flexibility

Good Wear Resistance

Hydrolysis Resistant

Low Compression Set

Uses

Gaskets

Rollers

Seals

Wheels

RoHS Compliance

Forms

Granules

Processing Method

Injection Molding

Physical	Nominal Value	Unit	Test Method
Specific Gravity²
--			ASTM D792
--		g/cm³	DIN 53479
Melt Volume-Flow Rate (MVR) (210°C/2.16 kg)		in³/10min
Molding Shrinkage - Flow (Injection Molded)		in/in	ASTM D972
Mechanical	Nominal Value	Unit	Test Method
Tensile Stress - 20% Strain²
--		psi	ASTM D412
--		psi	DIN 53504
Abrasion²
--		mm³	ASTM D395
--		mm³	DIN 53516
Elastomers	Nominal Value	Unit	Test Method
Tensile Stress²
50% Strain		psi	ASTM D412
50% Strain		psi	DIN 53504
100% Strain		psi	ASTM D412
100% Strain		psi	DIN 53504
200% Strain		psi	ASTM D412
200% Strain		psi	DIN 53504
300% Strain		psi	ASTM D412
300% Strain		psi	DIN 53504
Tensile Strength²
Break		psi	ASTM D412
Break		psi	DIN 53504
Tensile Elongation²
Break		%	ASTM D412
Break		%	DIN 53504
Tear Strength²
--		lbf/in	ASTM D624
--		lbf/in	DIN 53515
Compression Set²
73°F, 24.0 hr		%	ASTM D395, DIN 53517
158°F, 24.0 hr		%	ASTM D395
212°F, 24.0 hr		%	ASTM D395
212°F, 70.0 hr		%	ASTM D395, DIN 53517
158°F, 24.0 hr		%	DIN 53517
212°F, 24.0 hr		%	DIN 53517
Hardness	Nominal Value	Unit	Test Method
Durometer Hardness			ASTM D2240, DIN 53505
Shore A, Injection Molded
Shore D, Injection Molded
Thermal	Nominal Value	Unit	Test Method
Vicat Softening Temperature²		°F	DIN 53372
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: IROGRAN® A 95 K 4640, IROGRAN A 95 K 4640, IROGRAN® , IROGRAN, IROGRANA95K4640, A 95 K 4640, A95, 95K, K4640, A95K4640, Thermoplastic Polyurethane Elastomer, Thermoplastic Polyurethane Elastomer (Polycaprolactone), Thermoplastic Polyurethane Elastomer Polycaprolactone, TPU-Capro, TPUCapro, TPU:Capro, TPU/Capro, TPU+Capro, TPU_Capro, TPU Capro, Thermoplastic Polyurethane, TPU, Huntsman, ThermoplasticPolyurethaneElastomerPolycaprolactone, ThermoplasticPolyurethane, 95A
Features
Features may also be described by the following terms: Good Wear Resistance, Wear Resistant, Fast Cycle, Rapid Cycle, Productivity, Fast Molding Cycle, Good Flexibility, Flexible, Low Compression Set.
Uses
Uses may also be described by the following terms: Gaskets, Gasketing, Rollers, Roller.

Injection	Nominal Value	Unit
Drying Temperature
--		°F
Hot Air Dryer		°F
Drying Time
--		hr
Hot Air Dryer		hr
Rear Temperature		°F
Middle Temperature		°F
Front Temperature		°F
Nozzle Temperature		°F
Mold Temperature		°F

Notes

¹Typical properties: these are not to be construed as specifications.

²Injection Molded

IROGRAN® A 95 K 4640

Thermoplastic Polyurethane Elastomer (Polycaprolactone)

Supplied by Huntsman Corporation