Polyurethane Sealant for Automotive Machinery

Product Details

Polyurethane Sealant for Automotive Machinery

 Product Features:

ØOne-component polyurethane sealant for automobile machinery;

ØMedium strength,medium modulus;

ØMedium and low viscosity, good thixotropy ;

ØExcellent blade coating ,convenient construction.

Technical Data:


Black,white,grey, homogeneous paste

Tack free time       


Curing speed        


Non-volatile matter content


Shore A-hardness    


Tensile-shear strength


Tensile strength       


Elongation at break     


Tear strength       




Low temperature flexibility      

                                              -40℃ Flawless

Shelf life (15℃~25℃,50%RH)

9 months

① Standard conditions: temperature 23℃±2℃, relative humidity 50%±5%RH


Polyurethane Sealant for Automotive Machinery Suitable for visible part of various vehicles body, general joint seam and weld seal. Such as air conditions, apron, luggage compartment, roof, bottom and other parts seals. Suitable substance include wood, iron and steel, aluminum alloy (including painted alloy).

Construction Guide:

1.Surface cleaning:

Bonding surface should be clean, dry, no grease and dust. If the surface is easy to rust, which should be cleaned away by metallic brush in advance. If necessary, should use acetone and other organic solvents to clean.

2. Construction:

Barrel packaging: open the cover,pierce the membrane at the nozzle,screw on the nozzle,place the barrel in an applicator glue gun and squeeze the trigger.

Sausage packaging: a barrel gun is required, clip the end of the sausage and place in barrel gun,screw end cap and nozzle on to barrel gun.

According to construction requirements, cut nozzle into appropriate shapes, after the glue adhesive, frictioning,screeding and other truing work should be finished in tack free time.

Packaging Information:


   Rigid tubes packaging


    Sausage packaging

   400ml, 600ml


   Plastic drum packaging


   5Gallon (24KG), 55 Gallon(240KG)


ØAmbient temperature under 10 ℃ or the output speed can not meet the technical requirements, the pens packaging is advised to oven bake for 1h-3h in 40 ℃ ~ 60 ℃.

Ø In order to ensure the sealing blazonry, recommended before gluing stick protective tape.

ØSpray paint after drying, compatibility test should be done before painting.

ØThe best construction environment: temperature 15 ℃ ~ 30 ℃, relative humidity 40% ~ 65% RH.

ØTo ensure a good adhesive sealing effect and the compatibility of products and base material, should test with the actual experiment base material in the corresponding environment.

ØKeep away from children.

ØAvoid contacting with eyes and skin.Of contact with the skin,in case of eyes and skin contact, wash immediately and thoroughly with soap and water. Seek medical advice urgently if it is serious.

Storage & Transportation:

Transportation: moisture-proof, anti rain, sunscreen, anti high temperature, away from heat source, handle with care, squeezing and collision are not allowed.

Storage: sealed and stored in low temperature and dry place, advise storage in 5-25℃,humidity ≤50%RH.

Polyurethane Sealant for Automotive Machinery LW-120C for automotive machinery is suitable for visible part of various vehicles body,general joint seam and weld seal.Such as air conditions,apron,luggage compartment,roof,bottom and other parts seals. Suitable substance include wood,iron and steel, aluminum alloy (including painted alloy).One component polyurethane sealant has better performance with medium strength,medium modulus,medium and low viscosity,good thixotropy. 


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