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Specifications

Description


Characteristics

?        Medium curing speed; Good adhesion strength

?        Repairable; Good chemical corrosion resistance

?        Good water proof; Paint able

?        One part no mixing; Excellent weather proof, aging resistant property

?        Abrasion able; Excellent noise, vibration and Impaction resistant

?        Damp resistant; No sagging; Anti mildew

Where to use

?        Seal for building wall and cover board, frame joint, window seal (inside & outside), water proof joint (inside & outside), water tank and water drainage structural joint, parapet and road separating joint and general civil project expansion and contraction joint.

Technical Data for reference

Items

Technical  Data

Detection method

Appearance

Black, gray, concrete

 

Skinning time  

≤3h

 

Low temperature flexiblity

-40

GB/T 13477

Tensile adhesion

≤0.4MPa

GB/T 13477

Extrusion ability/rate

≥600%

 

Elastic recovery

≥80%

 

Peel damaging area

≤5%

 

Movement capability

≤5%

 

Hardness, Shore A

25~35

 

Service temperature range

-40~80

GB/T531

Maximum joint width

35mm

 

Minimum joint depth

8mm

 

Staining

NO

 

Packing

?        300ml aluminum cartridge, 400ml and 600ml sausage.

Storage

?        At 5~25 centigrade shady, dry place, 9 months of shelf life.

Application

?        Surface preparation: Clean all dirty, dust, loose particles by steel brush and clean all oily things with cleaning agent. All former adhesive must be cleaned out by scraping, paring, friction, jet of strong air or suitable ways. 

?        Priming: Commonly no need for primer. Primer could be recommended in order for best performance. If using primer, smooth priming base and no permitting primer clump and uniformly disperse to prevent any coating cumulus.

?        Mixture: JS-502 don't need mixing and use directly.

?        Spreading: Spread JS-502 on base material with enough pressure and thickness not less than 1 millimeter.

Note

?        Full cure (dry 7 days under 20℃) for JS-318 should be finished before applied place permits water entering into.  The adhesive surface could be painted but no recommendation for solvent based paints such as colorful enamel. If should be used, please do in site testing to prove compatibility.

?        No permission for wet spreading tech. NO recommendation solvent, water, cleaner or soap solution.

?        No permission for high chloride content disinfected area like swimming pool before consulting technician.

?        Application temperature is between 5 ℃ and 35 ℃.

Paintable Property

?        JS-502 could be painted after dry with traditional method like epoxy or acrylic paints. The adhesive surface will take place reaction and soften if using high solvent content coating like luster enamel or high oily base coatings.

?        Coating should have similar tensile strength compared with adhesive in order to get best appearance and property. Painting could be processed after 24 hours if thickness of adhesive is less than 3 mm while painted after 48 hours if thickness more than 3mm.

Anti Fire

?        JS-502 is not easy inflammable.