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Moisture waterproofing of buildings that are traditionally the last forty years, with asphalt and tar tare done with the emergence of the advantages of this type of waterproofing and moisture waterproofing gradually gave way to the waterproofing. Nowadays most of the buildings in the wake of the foundation stage and in the waterproofing of walls, roofs and services, isolation and waterproofing layer is performed.
Waterproofing with heat-resistant coating of bitumen and synthetic fibers that are attached to the roof substrate and prevents the penetration of water and humidity of the environment below.Waterproofing with an average life of 10 years.

 Roofing phenomenon industrial and relies on the knowledge, experience, and technology in order to secure the structure against moisture and damp from rain and snow. There are different types of waterproofing, which, after passing through various tests in laboratories for processing plants, which will increase the sustainability factor.

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کد مطلب : 1709  |   تعداد نظرات: 0   |   تعداد بازدیدها: -1   |   تاریخ درج: Saturday, August 26, 2017   |   ساعت: 12:00 AM   |   منبع / کاربر سیستم مطلب: مدیرمحتوا

 

Bitumen 40/50 Analysis


Standard

    40/50

unit

Test 

ASTM-D71/3289

    1000-1050

kg/m 3 

Density at 25 °C

ASTM-D5

    40/50

    0/1mm

Degree of enetration at 25 ° C and 100 gr load

ASTM-D36

    52/60

C

Softening point 

ASTM-D1754

    0/5 max

%wt

Mass change (increase or decrease)

ASTM-D6&d5

    54 min

%

Penetration grade bitumen of penetration grade bitumen remains the primary 

ASTM-D92

    250 min

C

Flash point Cleveland open container
 

ASTM - D2042

    99 min

%wt

Solubility in Trichloroethylene

*A.A.S.H.O.T102

negative

 

Spot test

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