GB 18967-2009Modified bituminous waterproof sheet using polyethylene reinforcement (English PDF)

4.1 Types

4.1.1 according to the construction technology products and hot melt adhesive is divided into two kinds.

4.1.2 Products by hot melt composition modifiers into modified bitumen membrane oxide, styrene oxide modified bitumen membrane, high

Copolymer modified bitumen membrane, root puncture resistant polymer modified asphalt waterproofing membrane four categories.

4.1.3 Isolation Materials

4.1.3.1 hot-melt web and lower surfaces of the insulating material is polyethylene film.

4.1.3.2 self-adhesive membrane and lower surfaces of the insulating material is release material.

4.2 Specifications

4.2.1 Thickness

--- Hot melt. 3.0mm, 4.0mm, wherein the puncture-resistant root web of 4.0mm;

--- Self-adhesive. 2.0mm, 3.0mm.

4.2.2 Nominal width. 1000mm, 1100mm.

4.2.3 Nominal size. each volume area 10m2,11m2.

4.2.4 the production of other specifications sheet, by the supply and demand sides through consultation.

4.3 mark

4.3.1 Code

--- Hot-melt type. T;

--- Self-adhesive. S;

--- Oxide modified bitumen membrane. O;

--- SBR modified bitumen membrane oxidation. M;

--- Polymer modified bitumen membrane. P;

--- Root puncture resistant polymer modified asphalt waterproofing membrane. R;

--- High-density polyethylene film carcass. E;

--- Polyethylene film facing material. E.

4.3.2 marking method

Coil according to the construction process, product type, the carcass on the surface covering material, thickness and number of this standard sequence tags.

4.3.3 tag example

Example. 3.0mm thick polyethylene film hot melt polyethylene reinforcement cladding polymer modified bitumen membrane, which are labeled as follows.

TPEE3GB 18967-2009

4.4 Purpose

Polyethylene modified asphalt waterproofing membrane applied to non-exposed waterproofing buildings and infrastructure.

5.1 Size and mass per unit area

Size and mass per unit area should be consistent with Table 1.

Table 1 Size and mass per unit area

Nominal thickness/mm 2 3 4

Mass per unit area/(kg/m2) >= 2.1 3.1 4.2

Deviation area per volume/m2 ± 0.2

Thickness/mm

Average value >= 2.0 3.0 4.0

The minimum single value >= 1.8 2.7 3.7

5.2 Appearance

5.2.1 Roll roll roll should be wound up together, go out into the end face in must not exceed 20mm.

5.2.2 rolls roll in (4 to 45) °C temperature of any product expanded at a distance of 1000mm length of the outer core should be crack or length

10mm or more bonding.

5.2.3 membrane surface should be smooth, not allowed to have holes, and the lack of edge cracks, bumps or any other observable defects.

5.2.4 Each sheet roll joints should not be more than one, short of a length not less than 1000mm, joints should be cut neatly, and extended

150mm.

5.3 Mechanical Properties Physical

Physical and mechanical properties shall conform to Table 2.

Table 2. Physical and Mechanical Properties

No. Item

Technical Specifications

T S

O M P R M

5.4 puncture resistant root web application performance

Root puncture resistant polymer modified asphalt waterproofing membrane (R), in addition to meeting the performance requirements of Table 2 of this standard, its root puncture resistant and resistant to mold

Corrosion should be consistent with JC/T 1075-2008 specified in Table 2.

6.1 standard test conditions

Standard test conditions (23 ± 2) °C.

6.2 Area

According to GB/T 328.6-2007 measure the length and width, and the average value obtained by multiplying the web area.

6.3 mass per unit area

Weighing per roll roll roll weight, based on the area of 6.2 was calculated mass per unit area (kg/m2). For the self-adhesive membrane shall be deducted anti

Sticky material quality.

6.4 Thickness

According to GB/T 328.4-2007 performed.

6.5 Appearance

According to GB/T 328.2-2007 performed.

6.6 Preparation of test pieces

The sample removed from the outer membrane volume header 2500mm, take the 1m long specimen by GB/T 328.4 uniform sampling methods and cut

Specimen size and number of web performance test pieces in Table 3 and cut.

Table 3 specimen size and quantity

No. Item specimen size (longitudinal × lateral)/mm Quantity/a

1 150 × 150 3 impermeability

6.7 impermeability

According to GB/T 328.10-2007 Method B performed. With cross slotted disc, hold time (30 ± 2) min. Self-adhesive membrane test

Both sides should tear release paper, filter paper covering the surface to prevent sticking.

6.8 heat resistance

According to GB/T 328.11-2007 Method B performed. With a width of 50mm above the upper end of clips, suspended vertically in a predetermined temperature

Under constant temperature 2h, the specimen surface coating was observed presence or absence of flow, blistering.

6.9 Low temperature flexibility

According to GB/T 328.14-2007 performed. 2.0mm, 3.0mm thickness sheet bending diameter 30mm, 4.0mm thickness sheet bending

Diameter of 50mm. 10 in longitudinal specimens, on the lower surface of the specimen five, five test specimen surface, respectively, at least four per side five specimens

Specimens no cracks by visual inspection for surface and down both sides by a low-temperature flexibility to meet the requirements.

6.10 Tensile Properties

According to GB/T 328.8-2007 carried fixture spacing 70mm. During the test may not appear with a coating of asphalt between the tread base Fan jig

Enclosed within separation.

6.11 Dimensional stability

According to GB/T 328.13-2007 performed. Hot melt (T) test temperature of 90 °C, self-adhesive (S) test temperature 70 °C.

Surface bituminous coating thickness at 6.12 membrane cap

According to GB/T 328.5-2007 performed. With means for measuring the optical thickness of the lower surface of the asphalt coating, test pieces each measuring two points at a distance

Measured at the middle of each 50mm. The average of three test pieces for the measurement of the test results.

6.13 peel strength

6.13.1 membrane and membrane

At (23 ± 2) °C conditions, according to GB/T 328.20-2007 test, the upper surface of the lower surface of another specimen of a test piece

Adhesive, the adhesive surface is 50mm × 75mm, having a weight of 2kg, width (50 ~ 60) mm pressure roller rolling back and forth three times successively, after bonding put

Set 24h.

6.13.2 membrane and aluminum

At (23 ± 2) °C conditions, with reference to GB/T 328.20-2007 will stick to the membrane specimen has a smooth aluminum surface with a solvent cleaner, sticky

Engagement surface is 50mm × 75mm, having a weight of 2kg, width (50 ~ 60) mm pressure roller rolling back and forth three times successively, after the adhesive is placed 24h.

One end of an aluminum plate sandwiched fixture, the same end of the coil is bent 180 ° sandwiched another fixture, test, with the most vigorous peel strength calculation unit

N/mm, taken on 5 specimens as the arithmetic mean of the test results, the peeling position was observed. Both sides were tested.

6.14 Shank watertight

6.14.1 Preparation of test pieces

At (23 ± 2) °C conditions, removing the release material specimens, the coil lightly on the web the same size plywood (five plywood) on.

The mass of 2kg, width (50 ~ 60) mm for rolling back and forth three times successively roll it with plywood bonding. Plywood should not be reused.

Plywood decentralized two blocks for support, in order to nail driving. The length (30 ± 4) mm, diameter (3.5 ~ 4) mm wingless plating

Zinc-free screw, driven into the surface of the web from plywood, two nails driven into position between the vicinity of the center of the specimen, nail distance (25 ~

50) mm, the nails driven into the nut flush with the surface of the membrane, and then the nail from the nail head rises tapping the back, so that the nail coil surface distance

6mm.

Total two specimens prepared.

6.14.2 Test Procedure

A diameter on the (150 ~ 250) mm, height not less than 150mm of tube centered on the horizontal surface of the specimen sheet, then

Sealant along the outer ring seal on the web, placed after 2h, in a circle along the edge of the seal, and then curing 24h at room temperature.

Put it in a tube with no cover and diameter similar to the drying vessel, then add distilled water to the top of the pipe, the water level is

(130 ± 3) mm, and then move it (4 ± 2) °C refrigerator, place the 3d.

6.14.3 Evaluation of results

Remove the specimens, observe and record the container, plywood and the bottom of the shank has a peripheral water mark. Discard the water and drying tube, peel off the roll

Timber, roll back of observed water mark.

Two specimens were not observed traces of water that test passed, report no seepage.

6.15 holding adhesive

The specimen has been glued to the two surface clean and smooth specular stainless steel plate with a solvent, the upper plate stainless steel plate bonded area

(50 × 50) mm, width of the specimen is 50mm, specimen paste parts not allowed to touch the hands and other objects, and then use the roll back and forth grind 2kg

Press three times.

6.16 self-adhesive asphalt and then peel strength

Take a self-adhesive waterproofing membrane with a hot spatula shovel under the coil coating was placed in a crucible, the crucible guarantee asphalt about 100g,

The crucible on the asphalt melting furnace heated to a temperature of about 180 °C, then pour asphalt release paper evenness, thickness of about 1.5mm, Li

That reinforced polyester film or polyester tire group. Preparation of total five test pieces, the adhesive can be used to prevent the specimen silicone paper isolation.

After at (23 ± 2) °C conditions placed 4h, tested according to 6.13.2.

6.17 hot air aging

According to GB/T 18244-2000 in Chapter 4, The test temperature (70 ± 2) °C, the specimen placed horizontally 168h.

After aging, and cut the specimen measuring 6.10 by longitudinal tensile and elongation at break, measured by low temperature flexibility 6.9.

6.18 puncture resistant root web application performance

Press JC/T 1075-2008 6.3.1 and 6.3.2 were.

7.1 Inspection classification

By inspection type into the factory inspection and type test.

7.1.1 factory inspection

Factory inspection items include. area, mass per unit area, thickness, appearance, impermeability, heat resistance, low temperature flexibility, tensile properties, web

The lower surface of the asphalt coating thickness (T), the peel strength aluminum plate web (S), holding power (S), self-adhesive bitumen and then peel strength (S).

7.1.2 Type inspection

Type inspection items include Section 5 all project requirements. In the following cases should be type tested.

a) production of new products or appraisement time;

B) When normal production, once a year; root puncture resistance performance test every five years;

c) raw materials, technology and other large changes that may affect product quality time;

d) factory inspection results are quite different and the last type test results;

e) Product Discontinuance of six months or more to resume production.

7.2 Batch

In the same type, the same size as the number of 10000m2, 10000m2 less time may be used as a group.

7.3 Sampling

In each batch were randomly selected five books of mass per unit area, size and appearance inspection.

After the inspection qualified, randomly selected from a sample taken at least 1.5m2 volume of physical mechanical properties testing.

7.4 determine the rules

7.4.1 individual judgment

7.4.1.1 Size and mass per unit area

In five volumes samples taken in the above test results are in line with the provisions of 5.1 and 5.2, the determination of its mass per unit area and Size

qualified. If one has a non-compliant, allowing the batch of products in five volumes were randomly selected sample of failed items for review. Such as full

When the unit reaches a predetermined standard is judged as qualified; otherwise, this batch of product failure.

7.4.1.2 Mechanical Properties Physical

7.4.1.2.1 heat resistance, tensile, elongation, dimensional stability and lower membrane surface coating thickness reaches its arithmetic mean standard

Quasi specified index ruled that qualified.

7.4.1.2.2 impermeability, water tightness in the shank of each specimen reached the standards when judged as qualified.

7.4.1.2.3 low temperature flexibility when both sides reached the qualifying standard for the sentence.

7.4.1.2.4 peel strength, holding power, self-adhesive asphalt and then peel strength (and aluminum), hot air aging test results in order to comply with the provisions of Table 2

When the sentence is qualified.

7.4.1.2.5 the test results are in line with the provisions of Table 2, the physical and mechanical properties this batch of qualified products. If an indicator does not comply with Regulation

Set, allowing the batch of products are then randomly selected roll unqualified individual items retest. It reached the standard, then this batch of product physical

Mechanical properties qualified.

7.4.1.2.6 root puncture resistant polymer modified asphalt waterproofing membrane when compliance with the provisions of 5.4, determine whether the product application performance qualified.

7.4.2 overall judgment

Test results meet all the requirements specified in chapter 5 of this batch of qualified products.

8.1 mark

On the web packaging should include.

a) the product name;

b) manufacturer's name and address;

c) the trademark;

d) labeling of products;

e) the date of production or batch number;

f) inspection identified;

g) production license number and logo;

h) transport and storage precautions.

Book GB 18967-2009

8.2 Packaging

Plastic sheet should wrap the ends of the plastic cylinder heat is good, external strapping tape; woven bag can also be used.

8.3 Transportation and Storage

8.3.1 Transport

Prevent tipping or horizontal pressure, covered with tarpaulin when necessary during transport.

8.3.2 Storage

During storage and transport of different types and specifications of products should be stacked separately and should not be mixed. Avoid the sun and rain, pay attention to ventilation. Storage temperature

Should not exceed 45 °C, flat web storage, stacking height does not exceed five.

8.3.3 storage period

Product under normal transportation and storage conditions of at least one year from the date of production of the storage period.

9002-

END: Draft Version (GB 18967-2009)