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Polyurethane adhesives are those glues that are made of urethane polymers with chemical based of isocyanate group also known as elastic adhesives, due they have an extraordinary elasticity and elongation before the fracture occurs (up to 600%), and also like epoxy adhesives exist rigid polyurethane adhesives, due to the high fracture resistanc...
Polyurethane adhesives are those glues that are made of urethane polymers with chemical based of isocyanate group also known as elastic adhesives, due they have an extraordinary elasticity and elongation before the fracture occurs (up to 600%), and also like epoxy adhesives exist rigid polyurethane adhesives, due to the high fracture resistance presented by these adhesives about 25 MPa.
The elastic polyurethane adhesives are cured by polyaddition reactions, taking on a slightly reticulated structure with properties of an elastomer material; rigid polyurethane adhesives are as well as cure by polyaddition but they also acquire a high crosslink structure of thermoset material.
There are 3 different types of polyurethane adhesives or glues:
2 component Polyurethane adhesives (Pur 2C)
1 component Polyurethane adhesives curing by heat (Pur 1C - heat) - Rigid polyurethane
1 component Polyurethane adhesives curing by moisture (Pur 1C - moisture) - Elastic polyurethane
Sikaflex®-521 UV is a multi porpouse, one component, elastic and thixotropic sealant and adhesive, made of hybrid polyurethane. It cures at room temperture in contact with air humidity resulting in a long lasting elastomeric material. Sikaflex®-521 UV has a 400% elongation amd as a high weathering resistance. Sikaflex®-521 UV is a multi porpouse,...
ALEXIT® BladeRep Profile Filler 3 is a solvent free, two-component polyurethane filler designed to be used for filling and fairing on GRP substrates. This non-porous filler cures to an easily sandable surface. ALEXIT® BladeRep Profile Filler 3 is...
ALEXIT® BladeRep Pore Filler 6 is a solvent free, two-component polyurethane filler designed to seal any surface prior to applying BladeRep LEP 9 or BladeRep Topcoat 12. It fills pin holes and minor defects on GRP substrates and cures to an easily sandable surface. ALEXIT® BladeRep Pore Filler 6 is a...
ALEXIT® BladeRep® Profile Filler 5 is a solvent free, two-component polyurethane filler designed to be used for filling and fairing on GRP substrates. This non-porous filler cures to an easily sandable surface. ALEXIT® BladeRep® Profile Filler 5 is...
High performance structural adhesive thixotropic type for bonding applications in turbine turbines. High performance structural adhesive...
ALEXIT® BladeRep® LEP 10 is specifically designed one-layer coating with excellent abrasion and erosion resistance. This two-component, solvent free polyurethane product has superior elasticity and flexibility for long-term leading edge protection. ALEXIT® BladeRep® LEP 10 is...
ALEXIT® BladeRep Profile Filler 3K is a solvent free, three-component, fast drying polyurethane filler designed to be used for filling and fairing on GRP substrates. ALEXIT® BladeRep Profile Filler 3K is...
Category : Polyurethane
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Excelente serviço , optimos produtos. Obrigado
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Grandes profesionales