Blockade - Keo Thùng Đông Lạnh - Keo Ướt

 BLOCKADE          Minh Nghĩa 0938 149 366                                                                  

CO-POLYMER SEALANT                                                                                     TECHNICAL DATA

DESCRIPTION

Selleys Blockade is a filled, neutral cure, good performance, multipurpose copolymer sealant. It is available in grey colour and cures to a flexible rubber with good adhesive to most building and plumbing materials.

SIZES AVAILABLE

Selleys Blockade is available in a 360gm (300 ml) plastic cartridge.

USES

Selleys Blockade is a universal general purpose sealant. It can be used on metals, most plastics, painted and unpainted wood, masonry, marble, terrazzo, brick, concrete, glazed tiles, glass, bituminous based roof cladding/flashing among others. It can also be used on many wet substrates and is paintable.

Some applications would include sealing or repairing roof, awnings, skylights, ceramic tiles, gutters and downpipes, around window frames, plumbing entrances, vinyl or aluminium siding and roof flashings and as water proof bedding   for glass when reglazing Windows.

  Minh Nghĩa 0938 149 366    -  Minh Nghĩa 0938 149 366     

TECHNICAL FEATURES

• Good performance CO-POLYMER rubber based sealant.
 
• Universal sealant, adheres to many substrates even in the wet.
 
• Neutral cure, will not attack metals or concrete type substrates.
 
• Good weather ability and resistance to UV light.
 
• Good working charteristics, sealant is easy to apply and to tool.
 
• Good paint ability, may be painted with both water based and oil based paints.
 
• Good slump resistance, will not slump even on hot metal room  .
 
• Easy to clean off working tools and smooth surfaces with mineral turpentine.

LIMITATIONS

• Cannot be used on POLYSTYRENE   FOAM.
 
• Not recommended  for permanent water immersion or to seal water containment structures. 
 
• Should not be used in an enclosed space  or without ventilation.
 
• May require applying water based under coat prior to painting with water based topcoats   for best results. 

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TECHNICAL DETAILS

These are based on for  tory made Selleys Blockade batch number 239A,   forrmula number 676-43M/D 15-9, and are indicative data only not intended   for preparation of specifications. In the event that the launch   forrmulation is modified due to the findings published in this report then the   following in  information will be updated in a separate memo.

a)   Type:

      A filled solvent born to co-polymer rubber based sealant.

b)   Appearance:

      A light grey soft paste, available also in white.

c)   Viscosity: 

      12,000 to 16,000 P at 25°C, HAFTE/2 Helipath

d)   Extrudability:        

      153 g/min at 25°C, 36 g/min at 5°C (40psl pressure through 3mm diameter orifice)

e)   Slump:

      Non slump in normal applications.

f)   Skin Time:

      3 minutes at 25°C and at 5°C.

g)   T  k Free Time:

      20 minutes at 25°C, 90 minutes at 5°C.

h)   Specific Gravity:

      1.26 kg/lt

i)    Solids Content:

      80% by weight, 70% by volume.

j)    Cure:

      Neutral, cures by solvent loss, will not attack metal or concrete substrates.

k)   Dirt Pick Up:

      Minimal once tack free.

l)    UV Stability:

      Minor yellowing on surface after 2000 hours exposure in the UV cabinet.

m)  Shore A Hardness:

      45°A instantaneous (10 weeks cure at 40°C).

n)   Paintability:

      Water based paints: generally good, but some paints, especially gloss and semi-gloss paints, may show poor wetting properties when applied to the sealant unless the sealant’s surface is first cleaned with soapy water then rinsed clean and dried before painting. Some flat paints may develop fine line cracks on drying unless the sealant is first undercoated with water based undercoated or allowed over three days cure before  painting. Oil Based Paints: generally good though some paints may take longer to dry unless first undercoated with a water based undercoat.

o)   Recovery:

      58% after 10 minutes, from 100% extension, (ASTM D412, 6 weeks cure @40°C).

      66% after 24 hours, from 100% extension, (ASTM D412, 6 weeks cure @40°C).

p)   Modulus:

      176 kpa @ 100% extension, (ASTM D412, 6 weeks cure @ 40°C).

q)   Ultimate Tensile Strength:

      96 kpa at break, (ASTM D412, 6 weeks cure @ 40°C).

r)    Elongation At Break:

      500%, (ASTM D412, 6 weeks cure @ 40°C).

s)   Adhesive:

      Satisf  tory adhesive is   hieved on copper, zinc alum, galvanised iron, hot rolled iron, milled aluminium, anodised aluminium, bitumenous based flashing, terrazzo, marble, curedconcrete, brick, pvc, glass, glazed tiles, hoop pine wood, pine wood, jarrah wood and clear polystyrene tiles.

t)    Flammability:   Minh Nghĩa 0938 149 366    

      Uncured sealant is flammable.

      Cured sealant will burn if ignited.

u)   Service Temperature:

      Suitable   for use under normal temperatures

      reached on roofing materials in service. 

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Email: minhnghia.lr@gmail.com

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