Toluene diisocyanate manufacturer Knowledge Medical accessories PUD water-based polyurethane AI12 AR35

Medical accessories PUD water-based polyurethane AI12 AR35

Medical accessories PUD water-based polyurethane AI12 AR35

A and polyurethane are available for modern Wound care and application of negative pressure wound therapy techniques. The combination of the two results in excellent breathability, an important property in exudate management in high-end wound dressings. The adhesive layer achieves a high water vapor transmission rate without the need for perforation. The adhesive is applied directly to the film, eliminating the need for additional production steps such as transfer coating or lamination.

Key features of adhesives made withA:

·Adjust the component ratio, you can Easily customize the peel strength of the adhesive

·Low trauma when unraveling, Non-stick hair

A Main features of combination with film:

·Excellent air permeability

·Improve processing efficiency

·Film matt surface (PEcontact surface)

two-component adhesive

Features

AI 12

NCOcontent

12.3-13.3%

Viscosity (23℃)

3 ,300-4,700mPa.s

Solvent

none

monomer content

0.39%

Features

AR35

OHquantity

32.5-37.5mg KOH/g

Viscosity (25 ℃)

900-1,1 00mPa. s

Solvent

none

acid value

0.04mg KOH/g

polyurethane film

Features

VPT 9101 T

water vapor transmission rate

approximately1,900g/(day.㎡)

tensile stress at break

33MPa

50tensile stress at % strain

3-6MPa

tensile strain at break

㎡)

TFHC

g/day.㎡)

VPT 9101 TFilm

25μm

~1,900

~3,900

Product

Thickness

MVTR

g/day.㎡)

TFHC

g/day.㎡)

A

55μm

~3,200

~10,000

A

~100μm

~2,500

~6,000

olor:#000000">~3,200

~10,000

A

~100μm

~2,500

~6,000

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