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Beijing Comens New Materials Co., Ltd.

Ms Sealant, Windsreen Sesalant, Adhesive Sealant manufacturer / supplier in China, offering Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979), PU (Polyurethane) Sealant for Construction Expansion Joint Caulking (Surtek 3511), Multi-Purpose PU (polyurethane) Adhesive Joint Sealant (Surtek 3621) and so on.

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Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979)

FOB Price: Get Latest Price
Min. Order: 2,000 Pieces
Port: Tianjin, China
Production Capacity: 72000000PCS/Year
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: Surtek 3979
  • Morphology: Uniform Paste
  • Material: Polyurethane
  • Main Agent Composition: Polyurethane Prepolymer
  • Promoter Composition: Complexing Agent
  • Color: Black White Grey
  • Cure Mechanism: Moisture-Curing
  • Rate of Cure (23 ºC, 50% Rh): ~ 3.5 mm/24hrs
  • Tensile Strength: ≥ 3.5 N/mm^2
  • Application Temperature: 5-35ºC
  • Advantage: Solvent Free
  • Transport Package: 310ml Cartridge 600ml Sausage 200L Drum
  • Origin: China
  • Bonding Function: Adhesive Joint Sealing
  • Application: Automobile, Construction
  • Classification: Room Curing
  • Characteristic: Waterproofing
  • Composition: Organic Material
  • Density: 1.4±0.05 Kg/L
  • Tack-Free Time (23 ºC, 50% Rh): ~20 Min
  • Non-Sag Properties: Good
  • Elongation at Break: ~ 300%
  • Shore a Hardness: ~ 50
  • Trademark: Surtek
  • Specification: ISO9001/TS16949
  • HS Code: 3506100090
Product Description
DESCRIPTION
Surtek 3979 is a one-component elastic bonding adhesive based on silicon-modified polymer. It is free of silicone, isocyanate and solvent. It is moisture curable. The higher and temperature and humidity is, the faster the curing is.

ADVANTAGES
One component,
Solvent, isocyanate free
Good adhesion with most substrates
High strength
Good heat and UV resistance
Environmental friendly


APPLICATIONS
Surtek 3979 can be used for the elastic and dynamic bonding of metal, wood and plastic, and elastic sealing of joints and seams in following industries: bus body, railway carriage, container, equipment engineering, air-conditioning and ventilation, metal and sheet metal working, plastics technology, ship building, etc.

TECHNICAL DATA SHEET OF SURTEK 3969
AppearanceUniform Paste
ColorBlack/White Grey
Density1.4 ± 0.05 kg/L
Tack-free time*~ 20 min
Rate of cure*~3.5 mm per 24 hrs
Shore A hardness~ 50
Tensile strength≥3.5 N/mm^2
Elongation at break≥300%
Application temperature (°C)5-35ºC
Service temperature (continuous)
Short exposure (up to 1 h)
-50°C to +100°C
120°C

DETAILED IMAGE
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979)
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979)
ADHESION

Surtek 3969 has good adhesion on metal (fresh, parkerized, galvanized, painted), stainless steel, copper, aluminum (fresh, anodized, painted), glass, PA, PVC, PUR, polyester, most thermal plastics, EPDM, etc. But prior test is absolutely necessary.For some substrates, the use of activator and/or primer will help to achieve optimal adhesion.

PROCESS
Cleaning:
Clean surface to ensure the surface being clean, dry, free of oil, grease, and of sound quality.
Application of sealant:
Cut tip to desired shape and size. Puncture airtight seal. Install with hand or power operated gun
and extrude the sealant into the joint. Clean excess sealant using hard rubber plate or finger wet
with soap solution.


PACKAGING
310ml cartridge, 20 cartridges per carton
400ml, 600ml sausage, 20 sausages per carton


STORAGE AND SHELF LIFE
Store in a cool and dry place (10~25 °C recommended). Avoid damage to the package. When stored at the recommended conditions in original, unopened containers, this product shelf life is 9 month (cartridge), 6 month (sausage).
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979)

OUR COMPANY AND CERTIFICATE
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979)
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979)
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3979)
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