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Flange Sealant For Vehicle Engine

Flange Sealant For Vehicle Engine

Technical Data Sheet (7590 RTV Flange Sealant ) Product Description: 7590 RTV flange sealant: single component, black color, super flexible, sealing instant, de-oxime type, room temperature vulcanized silicone rubber. It’s flexible type elastomer after curing, good performance on heat and cold...

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Product Details

Technical Data Sheet (7590 RTV Flange Sealant )

 

Product Description:

 

7590 RTV flange sealant: single component, black color, super flexible, sealing instant, de-oxime type, room temperature vulcanized silicone rubber. It’s flexible type elastomer after curing, good performance on heat and cold resistance, stress resistance, excellent high temperature resistance, engine oil resistance, and weather resistance.

 

Typical applications:

 

The sealant for oil pan, vehicle axles etc flange sealing, suit for high pressure test production line after dispensing, low requirement for flange rigidity.

 

Technical data:

 

Item

Typical value

Range

Before curing   features

Appearance

Black   paste type

--

Chemical

Polysiloxane

Density   (g/cm3)

(GB/T13354-1992)

1.4

1.25-1.5

Surface drying time

(min) (23/50%RH) (GB/T13477.5-2002)

5

2-15

Pressure   flow viscosity

(s/10g)   (0.5MPa, 23℃, 3mm)

50

40-60

After curing   features

Tensile   strength (MPa)

(GB/T528-1998)

2.0

1.5-2.5

Elongation   at break (%)

(GB/T528-1998)

450

≥   350

Shearing   strength (MPa) (GB/T528-1998)

1.6

1.0-2.0

Hardness   (Shore A ) (GB/T531-1999

40

30-45

Working   temperature  ()


-60-260

 

 

Oil resistance performance:

After 24h dipping in 30# engine oil with 125

Item

Typical value

Range

Tensile   strength (MPa)

(GB/T528-1998)

2.0

≥   1.0

Elongation   at break (%)

(GB/T528-1998)

400

≥   250

Temperature resistance performance:

With 200 and after 168h

Item

Typical value

Range

Tensile   strength (MPa)

(GB/T528-1998)

2.0

≥   1.0

Elongation   at break (%)

(GB/T528-1998)

450

≥   250

 

Direction for using:

Cleaning: Clean the surface, remove rust, dust and greasy dirt etc by proper cleaning agent.

Dispensing: Cut one proper hole on the sealant mouth, dispense the silicone on flange by silicone gun, the silicone should be continued to a ring. Air pressure suggest no more than 0.4Mpa if dispense by pneumatic.

Curing: Connect two flanges within three minutes, and fixed by screw, during 25, 50% humidity, initial cured after one hour, complete cured after 24 hours. During cold and dry condition, may require longer time for curing.

Storage: Tighten the cap and sealing the mouth if silicone is not complete used. Normal situation if small skinning on the mouth during the storage, can be normal used after removing the skinning, no any affect on the performance.

 

Note:

1, Keep away from children.

2, Scrubing and washing with water immediately if the silicone spills into eyes or on the skin, and make a further handling.

3, Suggest to operate in good ventilation place.

4, Safety information refer MSDS.

 

Packing:

759004, 310ml/tube, 10 tubes/box, 30 tubes/carton

759008, 20kg/drum, 1drum/carton

 

Storage condition:

12 months during 8-28 and keep away from sunshine and damp.

 

 


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