Polyurethane Return
Polyurethane
Polyurethane
Polyurethane
Polyurethane
Polyurethane
classification:
Raw material
Application:

·    Interventional Radiology          

·    Diabetes Management

·    Peripheral Vascular

·    Gastroenterology

·    Ear/Nose/Throat

·    Cardiovascular

·    Orthopedics/Spine                

·    Endoscopy/Laparoscopy

·    Neurology

·    Oncology

·    Urology


Product introduction Model specification Parameter

Our polyether-based polymers have less in-vivo softening than other industry-recognized ether-based materials. With a long history of reliable performance in short term implantable devices they have the versatility to be used across a broad range of applicational areas including catheters, ports and access devices. These materials are listed under the trade names: ChronoThane P, ChronoThane T

ChronoThane®T (CT T)

Versatile and effective, Strong dimensional control through ease of manufacturability

Aliphatic Polyether-Based Urethanes

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Description

·       ChronoThane T is a family of aliphatic ether based polyurethane elastomers.

·       These biocompatible materials possess characteristics such as low coefficient of friction, low extractables, dimensional stability, high impact resistance, and excellent tear strength.

·       ChronoThane T can be tailored to meet specific Melt Flow Index ranges to suit your manufacturing or extrusion processes.

·       These materials are available in hardnesses ranging from 75 Shore A to 75 Shore D.

·       Pre-Processing Recommendations:

·       ChronoThane T processing can be optimized by drying to a moisture content equal to or less than 0.05% by weight prior to melt processing.

Features & Benefits

·       DIMENSIONAL STABILITY

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       AVAILABLE IN RADIOPAQUE FORM

·       EASE OF PROCESSING

·       HIGH IMPACT RESISTANCE

·       LOW COEFFICIENT OF FRICTION

·       BIOCOMPATIBLE

·       AVAILABLE IN ANTIMICROBIAL FORMS

·       CONSISTENT ELASTOMERIC PERFORMANCE

·       AVAILABLE IN SOLUTION FORM

·       NON CYTOTOXIC

·       LOW EXTRACTABLES

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

CHRONOTHANE T (typical example ranges shown)*

ASTM Standard

Durometer Range Available

75 Shore A – 75 Shore D


Water Absorption

1.00 – 1.16%

D570

Melt Flow

2-26 g/10   min 170-205°   C/2.16 kg-3.26 kg

D1238


Durometer

80A

93A

93A-B20

93A-B40


Ultimate Tensile Strength (psi)

4900-6200

3000-8000

5400-7000

4000-6500

D638

Tensile (psi)






@ 50% elongation

300-550

650-900

900-1100

1100-1400

D638

@ 100% elongation

550-800

1000-2000

1000-1600

1400-1800

D638

@ 200% elongation

900-1400

1700-2500

1800-2300

2000-2300

D638

@ 300% elongation

1300-2100

2600-4300

2800-3100

2700-3100

D638

Ultimate Elongation (%)

550-800

350-650

400-650

400-600

D638

 *Data provided herein is meant to show a general range for the ChronoThane T product lines; these properties can be tailored to meet specific values based on customer requirements.

    

 

ChronoThane®P (CT  P)

ROBUST, RESILIENT AND ADAPTABLE: HIGH PERFORMANCE WITH SUPERIOR ADAPTABILITY

Aromatic Polyether-Based Urethanes

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Description

·       ChronoThane P is a family of aromatic ether based polyurethane elastomers. With a long history of reliable performance, this medical grade polymer has the versatility to be used across a broad range of applicational areas including catheters, ports and access devices. 

·       These biocompatible materials possess characteristics such as low coefficient of friction, low extractables, dimensional stability, high impact resistance, and excellent tear strength.

·       ChronoThane P allows for ease of manufacturability and can be processed using conventional extrusion or injection molding equipment. These materials are available in hardnesses ranging from 75 Shore A to 75 Shore D.

Features & Benefits

·       DIMENSIONAL STABILITY

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       AVAILABLE IN RADIOPAQUE FORM

·       EXCELLENT TEAR STRENGTH

·       HIGH IMPACT RESISTANCE

·       LOW COEFFICIENT OF FRICTION

·       BIOCOMPATIBLE

·       AVAILABLE IN ANTIMICROBIAL FORMS

·       CONSISTENT ELASTOMERIC PERFORMANCE

·       AVAILABLE IN SOLUTION FORM

·       NON CYTOTOXIC

·       LOW EXTRACTABLES

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

CHRONOTHANE P  (typical example ranges shown)*

ASTM Standard

Durometer Range Available

75 Shore A – 75 Shore D


Water Absorption

1.17 – 1.37%

D570

Melt Flow

2-26 g/10   min   190°-205º C/3.26 kg

D1238

Mechanical Property Ranges (typical example ranges shown)*

Durometer

80A

55D


Ultimate Tensile Strength (psi)

4000 – 7000

5000-8000

D638

Tensile (psi)




@ 50% elongation

650   – 850

3000-3500

D638

@ 100% elongation

800  – 1000

3400-3800

D638

@200% elongation

1200 – 1400

4000-4700

D638

@ 300% elongation

1650 – 2000

5000-5600

D638

Ultimate Elongation (%)

680   – 850

300-500

D638

*Data provided herein is meant to show a general range for the ChronoThane P product lines; these properties can be tailored to meet specific values based on customer requirements.



ChronoFlex® (CF)

·       Polycarbonate-based materials

·       Good biocompatibility, excellent solvent resistance and long-term permanent durability

·       Minimize surface degradation and resistance to environmental stress cracking (ESC)

ChronoFlex®AL (CF AL)

EXCEPTIONALLY STRONG, SAFE AND DEPENDABLE

Aliphatic Polycarbonate-Based Urethanes

 脂肪族A.png

Description

·       ChronoFlex AL is a family of biodurable aliphatic polycarbonate-based thermoplastic urethanes designed to overcome surface degradation such as stress-induced microfissures. 

·       With a long history of reliable performance in both long and short term devices, this medical grade polymer has the versatility to be used across a broad range of applicational areas ranging from oncology and neurology to cardiovascular disease management.

·       These ether-free polyurethane elastomers are biostable and display a low modulus of elasticity, excellent solvent resistance and limited softening in-vivo.

·       These products are adaptable to most standard manufacturing processes and are available in hardnesses ranging from 75 Shore A to 75 Shore D.

Features and benefits

·       BIODURABLE

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       AVAILABLE IN RADIOPAQUE FORM

·       LIMITED IN-VIVO SOFTENING

·       EXCELLENT CHEMICAL RESISTANCE

·       INHERENT MATERIAL STRENGTH

·       BIOCOMPATIBLE

·       AVAILABLE IN ANTIMICROBIAL FORMS

·       RELIABLE PERFORMANCE IN LONG AND SHORT TERM IMPLANTABLE DEVICES

·       AVAILABLE IN SOLUTION FORM

·       ESC RESISTANT

·       LOW MODULUS OF ELASTICITY

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

ChronoFlex AL (typical example ranges shown)*

ASTM Standard

Durometer Range Available

75 Shore A – 75 Shore D


Specific Gravity

1.10 – 1.40

 D792

Melt Flow

2 – 26 g/10   min | 205° C/3.26 kg

 D1238

MECHANICAL PROPERTY RANGES

Durometer

75A-B20*

55D

75D

ASTM 

Ultimate Tensile Strength (psi)

4000-9000

5000-10000

3000-8000

D638

Tensile (psi)





  @ 50% elongation

350-650

1500-1800

3000-8000

D638

  @ 100% elongation

550-850

1800-2200

3000-8000

D638

  @200% elongation

800-1200

2800-4200

       -

D638

  @300% elongation

1200-2000

4200-10000

       -

D630

Ultimate Elongation (%)

350-750

200-400

 100-300

D638 

*Data provided herein is meant to show a general range for the ChronoFlex AL product lines; these properties can be tailored to meet specific values based on customer requirements.


ChronoFlex®C (CF C)

STRENGTH YOU CAN RELY ON; RELIABILITY YOU CAN TRUST.

Aromatic Polycarbonate-Based Urethanes

芳香族B.png

Description

·       ChronoFlex AL is a family of biodurable aliphatic polycarbonate-based thermoplastic urethanes designed to overcome surface degradation such as stress-induced microfissures. 

·       With a long history of reliable performance in both long and short term devices, this medical grade polymer has the versatility to be used across a broad range of applicational areas ranging from oncology and neurology to cardiovascular disease management.

·       These ether-free polyurethane elastomers are biostable and display a low modulus of elasticity, excellent solvent resistance and limited softening in-vivo.

·       These products are adaptable to most standard manufacturing processes and are available in hardnesses ranging from 75 Shore A to 75 Shore D.

Features and benefits

·       BIODURABLE

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       AVAILABLE IN RADIOPAQUE FORM

·       LIMITED IN-VIVO SOFTENING

·       EXCELLENT CHEMICAL RESISTANCE

·       INHERENT MATERIAL STRENGTH

·       BIOCOMPATIBLE

·       AVAILABLE IN ANTIMICROBIAL FORMS

·       RELIABLE PERFORMANCE IN LONG AND SHORT TERM IMPLANTABLE DEVICES

·       AVAILABLE IN SOLUTION FORM

·       ESC RESISTANT

·       LOW MODULUS OF ELASTICITY

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

ChronoFlex C (typical example ranges shown)*

ASTM Standard

Durometer Range Available

 75 Shore A – 75 Shore D


Water Absorption

 1.00%

 D570

Melt Flow

 2 – 26 g/10   min | 205° C/3.26 kg

 D1238

MECHANICAL PROPERTY RANGES

Durometer

80A

75D


Ultimate Tensile Strength (psi)

5500-8000

4500-6500

 D638

Tensile (psi)




    @ 50% elongation

500-700

4200-5000

 D638

    @ 100% elongation

800-1000

4500-5200

 D638

    @ 200% elongation

1900-2100

4900-5800


    @ 300% elongation

5200-6000

 -

 D638

Ultimate Elongation (%)

300-500

200-350

 D638

*Data provided herein is meant to show a general range for the ChronoFlex C product lines; these properties can be tailored to meet specific values based on customer requirements.


ChronoFlex®AR (CF AR)

STRENGTH, ELONGATION AND DURABILITY IN LIQUID FORM.  

Solution-based polycarbonate urethanes

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Description

·       The ChronoFlex AR and ChronoFlex AR-LT product lines are polycarbonate urethanes designed for molding, casting and dip coating applications. These unique materials are fully synthesized in liquid providing superior strength & elongation while maintaining the inherent polycarbonate advantage of long-term permanent durability and resistance to Environmental Stress Cracking (ESC).  Additionally, they may be electrospun or used in water emulsion processes. 

·       ChronoFlex AR & AR-LT polymers are ideal in applications requiring exceptional flexural endurance such as artificial heart diaphragms, vascular grafts, or for use in the fabrication of blood contact surfaces, such as coatings.

·       The ChronoFlex AR & AR-LT demonstrates an inherent low-tack property, which allows for pulsatile flow in-situ, an innovative characteristic optimal for devices such as VADs and artificial valves components.

·       This product line is offered in a wide range of viscosity/concentration configurations based upon specific product requirements.

Features and benefits

·       BIODURABLE

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       LIQUID POLYMER

·       SELF SEALING

·       SUPERIOR ELASTICITY

·       MOLDABLE/CASTABLE

·       INHERENT MATERIAL STRENGTH

·       BIOCOMPATIBLE

·       AVAILABLE IN ANTIMICROBIAL FORMS

·       RELIABLE PERFORMANCE IN LONG AND SHORT TERM IMPLANTABLE DEVICES

·       LOW THROMBOGENICITY

·       ESC RESISTANT

·       CAN BE ELECTROSPUN

·       DIP COATABLE

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

ChronoFlex AR and AR-LT (typical example ranges shown)*

MECHANICAL PROPERTIES


CF AR

CF AR LT       

ASTM Standard

% Solids (+/- 2%)

8% - 25%

8% - 25%


Viscosity (cps)




   @ 8% Solids

100 - 800

200 - 1,000


   @ 22% Solids

10,000 - 50,000

15,000 - 50,000


Ultimate Tensile Strength (psi)

3,000 - 10,000

6,000 - 10,000

D638/D882

Tensile (psi)




   @50% elongation

250 – 600

450 – 850

D638/D882

   @100% elongation

400 – 1000

650 – 1200

D638/D882

   @200% elongation

700 – 2000

1000 – 2300

D638/D882

   @300% elongation

950 – 3500

1600 – 4000

D638/D882

Ultimate Elongation (%)

600 – 1200

500 – 1100

D638/D882

*Data provided herein is meant to show a general range for the ChronoFlex AR and ChronoFlex AR-LT product lines; these properties can be tailored to meet specific values based on customer requirements.


ChronoPrene® (CP)

SOFT, COMPLIANT AND ELASTIC, YET DURABLE, RESILIENT AND ROBUST. 

Thermoplastic Rubber Elastomers

 CP.png

Description

·       This biocompatible elastomer may be considered as a substitute for rubber, latex and silicone materials. Though soft and compliant, the ChronoPrene resins offer a high flexural modulus, as well as a superior combination of tensile strength and elongation. 

·       An easy molding, high-flow rubber, ChronoPrene can be processed using conventional extrusion, injection molding and blowmolding methods. Its physical properties make it an optimal material for applications requiring rubber or elastic characteristics, such as compliant/ non-compliant balloons, endoscopic and laparoscopic inflation bags.

·       ChronoPrene can be processed at low temperatures, resulting in excellent surface smoothness and superior elasticity. ChronoPrene exhibits high abrasion resistance, durability and UV stability and is available in hardnesses ranging from 5 Shore A to 75 Shore A.

Features and benefits

·       BIODURABLE

·       SUPERIOR ELASTICITY

·       AVAILABLE IN RADIOPAQUE FORM

·       PHTHALATE FREE

·       EXCELLENT CHEMICAL RESISTANCE

·       HYDROPHOBIC

·       BIOCOMPATIBLE

·       OUTSTANDING SUBSTITUTE FOR RUBBER OR LATEX MATERIALS

·       EXCEPTIONALLY SOFT

·       EXTRUDABLE / INJECTION MOLDABLE

·       UV STABLE

·       HIGH ELONGATION

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

CHRONOPRENE (typical example ranges shown)*

ASTM Standard

Durometer Range Available

5 Shore A – 75 Shore A

Melt Flow

2-26 g/10   min   190º-205° C/ 2.16-8.26 kg

D1238

Mechanical Properties

Durometer

5A

15A

40A

75A

ASTM

Ultimate Tensile Strength (psi)

50-100

900-1300

400-600

1200-1400

D638

Tensile (psi)






    @ 50% elongation

 2 - 10

20-30

70-90

825-975

D638

    @ 100% elongation

 10 - 20

40-50

110-130

975-1100

D638

    @ 200% elongation

 20 - 30

60-80

160-180

1100-1300

D638

    @ 300% elongation

30 - 35

80-100

210-230

1300-1400

D638

Ultimate Elongation (%)

700-900

1700-1950

600-900

250-350

D638

*Data provided herein is meant to show a general range for the ChronoPrene product lines; these properties can be tailored to meet specific values based on customer requirements.


ChronoSil® (CS)

STRONG YET SUPPLE: THE POWER OF POLYCARBONATE MEETS THE SOFTNESS OF SILICONE. 

Thermoplastic Silicone Polycarbonate Elastomers

CS.png

Description

·       ChronoSil is a family of polycarbonate based silicone elastomers. These biocompatible materials maintain the inherent benefits of polycarbonate-based urethanes, including high pressure resistance, tensile-strength and superior chemical resistance combined with silicone’s industry recognized advantages such as heightened elongation, superior elasticity and a low coefficient of friction.

·       Consistent with other polycarbonate-based materials, ChronoSil can be synthesized to provide targeted mechanical properties and is resistant to Environmental Stress Cracking (ESC).

·       These products are adaptable to most standard manufacturing processes and are available in hardnesses ranging from 75 Shore A to 75 Shore D.

Features and benefits

·       BIODURABLE

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       AVAILABLE IN RADIOPAQUE FORM

·       HIGH PRESSURE RESISTANCE

·       HEIGHTENED ELONGATION

·       SUPERIOR TENSILE STRENGTH

·       INHERENT MATERIAL STRENGTH

·       BIOCOMPATIBLE

·       AVAILABLE IN ANTIMICROBIAL FORMS

·       RELIABLE PERFORMANCE IN LONG AND SHORT TERM IMPLANTABLE DEVICES

·       AVAILABLE IN SOLUTION FORM

·       ESC RESISTANT

·       SUPERIOR ELASTICITY

·       LOW COEFFICIENT OF FRICTION

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

CHRONOSIL (typical example ranges shown)*

ASTM Standard

Durometer Range Available

 75 Shore A – 75 Shore D


Silicone Content Available

5% - 20%


Water Absorption

 0.59 - 0.62%

D570

Melt Flow

 2 – 26 g/10   min | 205° C/3.26 kg

 D1238

MECHANICAL PROPERTIES*               

Durometer

80A

55d


% Silicone

5%

5%


Ultimate Tensile Strength (psi)

3300 - 7000

5000-10,000

 D638

Tensile (psi)




    @ 50% elongation

350 - 600

2000 - 2500

 D638

    @ 100% elongation

500 - 800

2500 - 3000

 D638

    @ 200% elongation

900 - 1250

3500 - 4500


    @ 300% elongation

1500 - 2100

4600 - 5500

 D638

Ultimate Elongation (%)

450 - 650

350 - 550

 D638

*Data provided herein is meant to show a general range for the ChronoSil product lines; these properties can be tailored to meet specific values based on customer requirements.


PolyBlend® (PB)

SMOOTH AND PLIABLE; STRETCHING BEYOND THE BOUNDARIES. 

Aromatic Thermoplastic Polyurethane Elastomers

 PB.png

Description

·       PolyBlend is a family of exceptionally soft, aromatic polyurethane elastomeric alloys, which can be used as a substitute for natural rubber or latex in many applications. 

·       These polymers encompass unique characteristics such as low flexural modulus, moderate tensile strength, and high elongation, in addition to allowing for a high draw-down ratio due to its superior melt strength and chemical integrity.

·       PolyBlend can be processed on conventional extrusion or injection molding equipment and is available in hardnesses ranging from 45 Shore A to 80 Shore A.

Features and benefits

·       BIODURABLE

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       AVAILABLE IN RADIOPAQUE FORM

·       ALLOWS FOR HIGH DRAW DOWN RATIOS

·       SUPERIOR MELT STRENGTH

·       BIOCOMPATIBLE

·       EXCELLENT SUBSTITUTE FOR RUBBER OR LATEX MATERIALS

·       EXCEPTIONALLY SOFT

·       EXTREMELY FLEXIBLE

·       EXTRUDABLE / INJECTION MOLDABLE

·       HIGH ELONGATION

·       ANIMAL-FREE ORIGIN CERTIFIED

Mechanicals

PolyBlend (typical example ranges shown)*

ASTM Standard

Durometer Range Available

45 Shore A – 80 Shore A


Water Absorption

0.067 – 0.28%

D570

Melt Flow

2-26 g/10   min   190º-205° C/ 2.16-8.26 kg

D1238

Mechanical Properties                                                                                  

Durometer

45A

55A

80A


Ultimate Tensile Strength (psi)

1700 – 2100

700-900

1100-4250

D638

Tensile (psi)





@ 50% elongation

40 – 100

100-150

450-700

D638

@ 100% elongation

100 – 150

150-200

600-850

D638

@ 200% elongation

150 – 200

200-250

750-1100

D638

@ 300% elongation

175 – 250

275-300

950-1300

D638

Ultimate Elongation (%)

1350 - 1700

950-1100

400-950

D638

*Data provided herein is meant to show a general range for the PolyBlend product lines; these properties can be tailored to meet specific values based on customer requirements.


HydroThane® (HT)

THE LUBRICITY OF A HYDROGEL; THE MECHANICAL STRENGTH TO WITHSTAND EXTRUSION 

Hydrophilic Thermoplastic Elastomers

 HT.png

Description

·       HydroThane is a hydrophilic thermoplastic polyurethane elastomer, ranging in water absorption rates from 5% to 25%. This unique extrudable hydrophilic product line was designed to provide maximum physical properties for use in extruded or injection molded components, while allowing for consistent single-step surface lubricity characteristics and a low coefficient of friction.

·       Available in aliphatic and aromatic versions, these elastomers have the ability to rapidly absorb water while maintaining high tensile strength and high elongation, resulting in a permanently lubricious polymer.

·       HydroThane can be processed using conventional extrusion or injection molding equipment.

·       Being hydrophilic even when dehydrated, they should be sealed and stored in a cool, dry place and are available in hardnesses of 80 Shore A and 93 Shore A.

Features and benefits

·       BIODURABLE

·       TAILORED TO MEET MECHANICAL SPECIFICATIONS

·       WATER ABSORPTION RATES FROM 5% - 25%

·       HIGH TENSILE STRENGTH

·       BIOCOMPATIBLE

·       TARGETED HYDROPHILICITY

·       EXTRUDABLE / INJECTION MOLDABLE

·       SUPERIOR ELONGATION

·       USP CLASS VI

·       ANIMAL-FREE ORIGIN CERTIFIED 

Mechanicals

HydroThane AL (typical example   ranges shown)*

ASTM Standard

Durometer Range Available

80 Shore A – 93 Shore A

D792

Water Content

5 – 20% (by weight)

D570

Melt Flow

2-26 g/10   min   190°-205° C/2.16 kg

D1238

Mechanical Properties


Hydrated

Non-Hydrated

ASTM

Durometer

93A

93A


Ultimate Tensile Strength (psi)

2000–3000

4800–5500

D638

Tensile (psi)




@ 50% elongation

600–800

800–1050

D638

@ 100% elongation

900–1200

1200-1500

D638

@ 200% elongation

1300–1700

1800-2200

D638

@ 300% elongation

1500–2100

2400-2800

D638

Ultimate Elongation (%)

450–650

550-650

D638

*Data provided herein is meant to show a general range for the HydroThane product lines; these properties can be tailored to meet specific values based on customer requirements.


ChronoThane®T (CT T)

Versatile and effective, Strong dimensional control through ease of manufacturability

Aliphatic Polyether-Based Urethanes

脂肪族.png

Description

·       ChronoThane T is a family of aliphatic ether based polyurethane elastomers.

·       These biocompatible materials possess characteristics such as low coefficient of friction, low extractables, dimensional stability, high impact resistance, and excellent tear strength.

·       ChronoThane T can be tailored to meet specific Melt Flow Index ranges to suit your manufacturing or extrusion processes.

·       These materials are available in hardnesses ranging from 75 Shore A to 75 Shore D.

·       Pre-Processing Recommendations:

·       ChronoThane T processing can be optimized by drying to a moisture content equal to or less than 0.05% by weight prior to melt processing.



WIRE COMPONENTS

From standard sized straight and cut wire (FastLane/FastTrack) to complex wire components, Wytech should be your first call when quality and turnaround count. For over 40 years, Wytech has been an outsourcing partner of choice for medical device OEMs and contract manufacturers worldwide who require “dead-straight” quality and need delivery fast. Wytech is adept at working with any non-toxic and non-radioactive alloy, however, Wytech is particularly skilled in working with stainless steel and nitinol materials.

Corewires

Wytech offers corewires in a variety of coated and non-coated options. Moreover, Wytech is adept at assisting our customers with the development of time and temperature specifications to create the desired stiffness and pushability

·       Advanced precision grinding

·       Multiple tapers

·       In-house heat treating

·       Tip annealing

·       Stress relieving

·       PTFE Coatings

·       Proprietary processes

·       PFOA and Chromic Acid free

·       Flake resistant