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80U85V

Product Description:

POLYCIMA-80U85V is a highly flame-retardant polyether-based TPU, featuring an efficient flame-retardant formulation primarily based on a phosphorus-nitrogen flame-retardant system. It offers excellent mechanical properties, electrical performance, and processability, along with good hydrolysis resistance. This product complies with relevant regulatory requirements such as ROHS, SVHC, 16P, and PAHS.


Product Applications:

It is primarily suitable for medical cables, coaxial cables, drag chain cables, SFP high-speed transmission wires, and charging pile cables. The processing methods are mainly semi-tube extrusion and tube extrusion, with some specifications also suitable for injection molding.

Performance Indicators:

 

 

 

Property

Test Method

Unit

Typical Value

Density

ISO 1183

g/cm³

1.28

Tensile Strength

IEC60811-1-1

MPa

20

Elongation at Break

IEC60811-1-1

%

420

Aging Performance

IEC60811-1-2

°C x h

113°C x 168

Tensile Strength Retention

IEC60811-1-2

%

≥75

Elongation at Break Retention

IEC60811-1-2

%

≥75

Low Temperature Brittleness Temp.

GB/T5470

°C

-40

Toxicity Index

-

-

0.86

pH Value

IEC60754-2

-

4.6

Electrical Conductivity

IEC60754-2

μs/mm

0.36

Dielectric Strength

GB/T1408

KV/mm

27

Oxygen Index

ISO4589-2

%

25

Packaging/Storage:
25 kg/bag. Transport as general chemical product. Store in a dry, cool place away from direct sunlight. Shelf life: 1 year.


Remarks:
The technical specifications and data provided in this document are for reference only and shall not be used as a basis for inspection or warranty. Users who purchase our products are responsible for conducting their own tests to verify whether the product is suitable for their intended processes, applications, performance requirements, and standards. Since the application and processing of our products are beyond our control, any issues arising therefrom shall be solely the responsibility of the user.


Molding Processing Guide

Injection Molding Guide:

· Shrinkage: 0.010–0.020 inch

· Injection Speed: Medium–High

· Injection Pressure: Medium–High

· Back Pressure: Low–Medium

· Holding Pressure: Sufficient to ensure product shaping inside the mold

· Cooling: Sufficient to allow product demolding


Screw Temperature (°C):


 

Extrusion Processing Guide:

Parameter

Value

L/D Ratio

20:1 - 25:1

Compression Ratio

2.5 - 3.0

Breaker Plate & Screen Pack

Required

Draw Down Ratio

5-10%

Cooling

Water bath cooling

Screw Temperature (°C):


Processing Precautions:

A: It is recommended to dry the material at 90°C for 2–4 hours.

B: It is recommended to clean the screw and die head with a special purging compound before and after processing this material.