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3M PU550
Model Name
-
Series
Fire Sealant
Data
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Manufacturer information
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SM TECH

Thermal protection product for offshore and marine application, fire sealant, Fire stop system, Gasket and System, Duck system and more

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Manufacturer
SM TECH
Product Type
Machine
Brand
-
SKU
121774
Product Name
3M PU550
Model Name
-
Size
-
Weight
-
Product Details

3M Polyurethane Adhesive Sealant 550

3M Polyurethane Adhesive Sealant 550 is a single component polyurethane-based sealant.  Polymerization is very quick and the compound remains permanently elastic and waterproof after curing.  Unlike Silicone Sealants, 3M Polyurethane Adhesive Sealant 550 can be painted over.  It is good for jointing and bonding in metal constructions and floor-joints, especially those subjected to heavy traffic.  The cured compound has excellent resistance to chemicals and mineral oils.


Typical Properties

ColorsWhite, Gray
Tack-Free Time @ 23oC/50% RH.60 minutes
Rate of Cure @ 23oC/50% RH.4mm per 24 hours
Shore A Hardness (ASTM C661)45
Tensile Strength (ASTM D412)2.09 N/mm²
Service Temperature-40°C to + 90°C
Specific Gravity1.16 – 1.18
Solids Content>90%
ConsistencyMedium paste
Flash Point58°C
Shrinkage5% approx.
Coverage Approximate (10.5oz)3.2mm bead = 305mm
VOC’s112 gms/liter
Shelf Life6 months from date of shipment
SM TECH
Thermal protection product for offshore and marine application, fire sealant, Fire stop system, Gasket and System, Duck system and more
‘SM Tech’ is the leading supplier of offshore and marine applications, and at our company located in Busan, Republic of Korea. We are manufacturing Thermal Protection, Insulation System, Fire Sealant, Square Duct Gasket, HVAC(heating, ventilating, and air conditioning) Finishing Tape and Flexible Duct based on a long list of accomplishments in the fire systems business. Today, and since the establishment of SM Tech in 2000, our management and dedicated staff concentrate all their efforts on identifying the problem, develop solutions with the total picture in mind, and participate with our customers to ensure top-class fire systems including world-wide after sales service. We hope having raised your interest, and should be pleased to give you all our attention in solving your fire protection problem whatsoever. Please, do not hesitate to contact SM Tech Co. ,Ltd.
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