Colorful polyurethane liquid rubber waterproofing membrane

No

          Item

Standard   Request

Test result

 1

Tensile strength(Mpa)

   ≥1.0 

  1.96

 2

Elongation at break%

   ≥300

337.9

3

Fold ability at low temperature(degree)

  -10℃,10mm no crack

Crackless

 4

Impermeability(0.3Mpa,30min)

Impermeability

Impermeability

 5

Sold Content%

   ≥ 65

69.4

6

    Drying Time

Surface drying time, h

   ≤4

   1.0

Actual drying time, h

   ≤8

   3.5

 7

Tensile strength of aging treatment

Heat treatment

   ≥80

   194.4

UV treatment

≥80

125.6

Alkali treatment

   ≥60

100.0

Acid treatment

≥40

    101.5

8

Thermal expansion rate

   ≤1.0

     1.0

9

Elongation at break of aging treatment

Heat treatment

≥200

    213.9

UV treatment

≥200

    290.7

Alkali treatment

≥200

    322.9

Acid treatment

≥200

    345.2