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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 3959), Polyurethane Sealant for Structural Auto Body Sealing, Adhesive for Windshield and so on.

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Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3959)

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 3959
  • 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): ~ 2.5 mm/24hrs
  • Tensile Strength: ≥ 1.5 N/mm^2
  • Application Temperature: 5-40ºC
  • 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: 1.6±0.05 Kg/L
  • Tack-Free Time (23 ºC, 50% Rh): ~30 Min
  • Non-Sag Properties: Good
  • Elongation at Break: ~ 300%
  • Shore a Hardness: ~ 35±5
  • Trademark: Surtek
  • Specification: ISO9001/TS16949
  • HS Code: 3506100090
Product Description
Surtek 3959 is a one-component elastic bonding adhesive based on silicon-modified polymer. It combines the advantages of both polyurethane and silicone, and thus is a new generation elastic adhesive. It is free of silicone, isocyanate and solvent. It cures quickly to form durable elastomer when in contact with moisture at ambient temperature.

One component, non sag, easy to apply
Good elasticity
Good heat and UV resistance
Environmental friendly

Surtek 3959 can be used for the elastic bonding and joint sealing for metal, wood and plastic. It is widely used at bus body, railway carriage, container, equipment engineering, air-conditioning and ventilation, ship building industries, etc.

AppearanceUniform Paste
ColorBlack/White Grey
Density1.60 ± 0.05 kg/L
Tack-free time*~30 min
Rate of cure*~3.5 mm per 24 hrs
Shore A hardness35±5
Tensile strength≥1.5 N/mm^2
Elongation at break~300%
Application temperature (°C)5-40ºC
Service temperature (continuous)
Short exposure (up to 1 h)
-50°C to +100°C

Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3959)
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3959)

Surtek 3959 has good adhesion on metal (fresh, parkerized, galvanized, painted), stainless steel, copper, aluminium (fresh, anodized, painted), glass, PC, PUR, ABS, polyester, most thermal plastics, EPDM, PS,PA, PVC, etc.. But prior test is absolutely necessary. For some substrates, the use of activator and/or primer will help to achieve optimal adhesion.

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.

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

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 3959)

Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3959)
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3959)
Solvent Free Ms (Silane Modified) Adhesive Sealant (Surtek 3959)
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