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KNGFLEX 240 Multi-Purpose PU Sealant

Description:
KNGFLEX 240 is one component high quality multi-purpose polyurethane sealant, it cures by reaction with atmospheric moisture to form a durable and weathering resistant elastomer, KNGFLEX 240 is manufactured in accordance with the ISO/TS 16949:2002.


Application:
 Sealing of automobile parts, railway, containers and ship (as bonding, caulking, door and window seals, floorboard gap and so on waterproofing). 
 Apply to metal containers, Air conditioning, plastic products and board Seals.
 Polyurethane Sealant Application:
 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.

 

Characteristics:
 Single Component, Moisture-solidifying, and No Dripping for Vertical Plane Construction;
 Fast Solidification; Elastic, Good Initial Adhesion, High Strength;
 Outstanding Application Property;
 High Dynamic Load Enduring Ability;
 Good Adhesion with Various Base Materials Such As Glass, Aluminum Plate etc.;
 Short Drawing Wires When Gluing Stops;
 No Corrosion on Base Material, No Penetration Pollution;
 Good Aging Resistance and Weather Resistance Property;
 Excellent adhesion for most building materials including glass, ceramic, aluminum, plastic.
 Excellent contact-change ability, no seasonal limited use.

Technical Data: 

                                Item                                 

                   Properties                   

Appearance

Black paste

Surface drying time

20-60

Curing rate(mm/24)

3-5

Destiny(g/ml)

1.3±0.1

Volatile component(≤,%)

4

Hardness (shore A)

45-60

Slack(≤,mm)

0

Tensile strength(≥,Mpa)

4

Extension at break (≥,%)

500

Shear strength(≥,Mpa)

3

Fracture strength(≥,N/mm)

15

Strength at a given elongation(≥,MPa)

1.2

Operating temperature( oC )

-45~90


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.

Limitations:
 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 in mobility over connect joints.
 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

240

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