Shandong Hongchang Tonghui Waterproof Technology Co., Ltd
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Product details

c745f614ce52bdfdb458167170ef7e2

Modified asphalt waterproofing membrane:

Serial Number

Testing items

index

I

II

PY

G

PY

G

PYG

1

Soluble content, g/m2 ≥

3mm

2100

-

4mm

2900

-

5mm

3500

Experimental phenomenon

-

Tire base non combustible

-

Tire base non combustible

-

2

heat resistance

90

105

≤mm

2

Experimental phenomenon

No flow or dripping

3

Low temperature flexibility: ℃

-20

-25

4

Impermeability: 30 minutes

0.3MPa

0.2MPa

0.3MPa

5

Tensile strength

Maximum peak tensile force: N/50mm ≥

500

350

800

500

900

Secondary peak tension: N/50mm ≥

-

-

-

-

800

Experimental phenomenon

During the stretching process, there was no cracking or splitting of the asphalt coating layer in the middle of the specimen with the tire base

6

Elongation rate

Maximum peak elongation:% ≥

30

-

40

-

-

Extension rate during peak hours:% ≥

-

-

-

15

7

Mass increase after immersion:% ≤

PE、S

1.0

M

2.0

8

thermal ageing

Tensile retention rate:% ≥

90

Maximum peak elongation retention rate:% ≥

80

Low temperature flexibility: ℃

-15

-20

No cracks

Size change rate:% ≤

0.7

0.7

0.3

Quality loss:% ≤

1.0

9

Oil leakage, number of sheets ≤

2

10

Joint peel strength: N/mm ≥

1.5

11

Tear strength of nail rod a: N ≥

-

300

12

Adhesion of mineral granules b: g ≤

2.0

13

The thickness of the asphalt coating layer on the lower surface of the roll material is c: mm ≥

1.0

14

Artificial climate accelerates aging

Appearance

No sliding, flowing, or dripping

Tensile retention rate:% ≥

80

Low temperature flexibility: ℃

-15

-20

No cracks

a、 Only applicable to single-layer mechanical fixed construction method rolls.

b、 Only applicable to rolls on the surface of mineral aggregates.

c、 Only applicable to hot-melt construction rolls.


precautions
1、 Quality of waterproof base surface
1. The waterproof base surface (leveling layer) must be hard, flat, dry, clean, and free of sand and sharp objects.
If there are defects in the waterproof base surface, it should be repaired before waterproofing, and a base treatment agent must be applied.
3. The waterproof base should not have ice, snow, or accumulated water.

2、 Construction quality
1. Fully bonded to prevent wrinkles or hollowing; Attention should be paid to the non bonded areas during semi bonding, and excessive heat should be applied to ensure that the roll material is tightly adhered to the base surface. Pay attention to the surrounding bonding and apply pressure to the load.
2. For hot melt bonding, the use of fire should be moderate, and the surface of the coil should not be blackened. Slow burning should be avoided.
3. During winter construction, choose products with low-temperature flexibility of the coil material that is 10 ℃ lower than the temperature during construction, and store the coil material in a workplace with an O0 ℃ temperature. Before use, move it to the site and prevent it from being thrown or dropped during transportation.

storage and transportation
During storage and transportation, products of different types and specifications should be stacked separately and not mixed together. Avoid direct sunlight and rain, and pay attention to ventilation. The storage temperature should not exceed 50 ℃ and should be stored vertically, with a height not exceeding two layers.
When transported by ship or train, the rolls must be placed upright, with a stacking height not exceeding two layers. Prevent tilting or lateral pressure, and cover with felt cloth if necessary.
Under normal storage and transportation conditions, the storage period is one year from the date of production.
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