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KNGFLEX 230 High Performance PU Sealant

Description:
KNGFLEX 230 is one component high quality polyurethane sealant for car manufactory and aftermarket, it cures by reaction with atmospheric moisture to form a durable and weathering resistant elastomer, KNGFLEX 230 is manufactured in accordance with the ISO/TS 16949:2002.

Application:
 The direct adhesive of vehicle windscreen glass
 Adhesive of the side window and back window of vehicle
 Construction(concrete, panel, etc) jointing and elastic sealing
 Permanent elastic sealing of expanding joints in bridge, high way and airports

Characteristics: 
 Single components facilitationg  application to prevent the compulsory application once and all after mixed on construction sites,thus causing no waste 
 Room temperature and humilidity curing:without any necessary heating , there is a wide range of construction temperature ,so construction can be carried out at a temperature betweeen 5oC and 40o
 High curing content:There will be no shrinkage or dent after application. 
 Good weathering resistence :Resisitance to shocks and fatigue, hence adaptable to elastic sealing 
 There will be no hazardous substance arising from curing processes and after curing ,without decomination done to substrates 
 Good surface paintability ,capable of being coated with various paints and coating on their surfaces. 

Technical Data:
 

Item

                Properties                

apperance

Black paste

surface drying time

20-50

Curing rate(mm/24)

3-5

Destiny(g/ml)

1.2±0.1

Volatile component(≤,%)

4

Hardness (shore A)

50-65

Slack(≤,mm)

0

Tensile strength(≥,Mpa

8

Extension at break (≥,%)

500

Shear strength(≥,Mpa)

4.5

Fracture strength(≥,N/mm)

25

       Strength at a given elongation(≥,MPa)

1.3

Operating temperature( oC )

-45~90


Storage and shelf time:

9 months

Instruction:
The sealed place must be completely cleaned and dried. If necessary, washing them with solvents such as toluene or acetone.
In order to keep better appear range. The joint of cover outside areas should be masked with tape before sealants apply.
Sealant can be repaired immediately and the masking tape should be removed before the sealant skins.
Previous using experiment is necessary beforehand.

Limitions:
 Don't use in structure glazing.
 Don't use in aquarium assembly and sealing.
 Don't use in places where have permeated grease, plasticizer or solvent such as wood permeated oil, uncured or half-cured resins. Etc.
 Don't use to joints which is hidden in earth or immersed in water for long time.
 Don't use to complete sealing space, results to lack of hydrosphere can't good solidify.

Packing:  
310ml aluminum tube packing;     
400ml 600ml flexible packing


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