Gold Member Since 2008
Audited Supplier
Kater Adhesives Industrial Co., Ltd.

Sealants, Silicone, Silicone Sealant manufacturer / supplier in China, offering PU Construction Joint Sealant (Kater621), Direct Use Mosaic Grout Colors Sealer, Hot Sale Silicone Sealant Acetic Curing (Kastar733) and so on.

(/ )

Supplier Homepage Product Polyurethane Sealant PU Construction Joint Sealant (Kater621)

PU Construction Joint Sealant (Kater621)

FOB Price: Get Latest Price
Min. Order: 2,000 Pieces
Production Capacity: 600000 PCS/MONTH
Transport Package: 20 PCS IN A CARTON
Payment Terms: L/C, T/T

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: Kater621
  • Morphology: Water-Soluble
  • Material: Polyester
  • Main Agent Composition: Natural Polymer
  • Model No.: 621
  • Curing Speed: 2-3minutes
  • Specification: GB/T528-1998
  • Bonding Function: Structural Adhesive
  • Application: Construction
  • Classification: Room Curing
  • Color: White
  • Other Names: Polyester Resin,Black
  • Trademark: Kastar
  • Origin: Guangdong, Foshan, China
Product Description
PU 521 is one-part room temperature moisture curing polyurethane with high adhesion strength, aging resistant, vibration exhaustion resistant, low temperature resistant and free-corrosive properties.

PU Construction Joint Sealant (Kater621)

PU Construction Joint Sealant (Kater621)
Where to use
Kater Polyurethane Constrction Sealant is for sealing cracks, building wall,
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.

Characteristic
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

Packaging
310ml aluminum cartridge, 300ml, 400ml and 600ml sausage. 250kgs bulk by drum;

Storage
At 5~25 centigrade shady, dry place, 12 months of shelf life.
Technical Service
Full support for customer in Technology

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
PU 521don't need mixing and use directly.
Spreading
Spread PU 521 on base material with enough pressure and thickness not less than 1 millimeter.

Note
Full cure (dry 7 days under 20C) for PU 521 should be finished before applied place permits water entering into. The adhesive surface could be painted but no recommendation for 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 Zhijiang's technician.
Application temperature between 5 C and 35 C.
Paint Able Propery
PU 521 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
PU 521 is not easy inflammable.
Health and safety
No contact with eye or skin. Please contact doctor or poisoning preventing center in case of poisoning. If contact with skin, clean thoroughly 15 minutes long or look for doctor.
No
 
Item
 
Test result
 
1
 
Appearance   
 
Black, gray, white paste
 
2
 
Specific gravity 
 
1.4-1.6
 
3
 
Skinning time
 
≤ 24h
 
4
 
Low temperature flexiblity
 
-60  º C 
5
 
Tensile adhesion
 
≥ 0.9Mpa
 
6
 
Elongation
 
≥ 800%
 
7
 
Elastic recovery
 
88-94%
 
8
 
Adhesion damaging area
 
20-37%
 
9
 
Extrudability   
 
250-330ml/mm
 
10
 
Pull and compress cycle 
 
7020
 
11
 
Adhesion failure area
 
4.0~5.0%
 
12
 
Movement capability
 
± 25%
 
13
 
Hardness, Shore A
 
30± 5
 
14
 
Service temperature range   
 
-40~75º C 
15
 
Application temperature 
 
5~40  º C
 
16
 
Maximum joint width
 
35mm
 
17
 
Minimum joint depth
 
8mm
 
18
 
Staining
 
No
 
Send your message to this supplier
Avatar
Mr. Wu Ruiqiang
Manager Director
*From:
To: Mr. Wu Ruiqiang
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

Find Similar Products By Category