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Waterproof Black 0.09mm 90 Micron HDPE Film Roll

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Waterproof Black 0.09mm 90 Micron HDPE Film Roll

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Brand Name :	Upass
Model Number :	Laminated Film
Certification :	CE, ROHS
Price :	Negotiable
Payment Terms :	T/T,L/C
Supply Ability :	200,000㎡~300,000㎡
Delivery Time :	15days

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Waterproof Black 0.09mm 90 Micron HDPE Film Roll

High Density Polyethylene Laminated Film for Waterproof Membranes

Description:

What's the cross laminated film?

It is multi-layers laminated film with high strength property, made via three layers co-extrusion film blown process and special stretching technology. The inner crossed structure differs from traditional films with one layer or many layers, possesses both thermal stability and dimensional stability, good bidirectional tear resistance & high tensile strength, as well as high elongation at bi-direction.

OUR THREE STEP PROCESS FOR MANUFACTURING HIGH STRENGTH, DURABILITY,

AND QUALITY CROSS LAMINATED FILM.

Step 1: Extrusion

► High density polyethylene resin (HDPE) is extruded via the blown film process to form a tube. The tube is cooled and collapsed into a flat tube.

► After the tube is flattened, it is fed into a multi stage orienter. During orientation, the film is stretched in the machine direction aligning the polyethylene molecules. The resulting film is very strong in the machine direction.

► The oriented tube is then annealed and wound up. The annealing step removes stress in the film and controls shrinkage. The annealed film retains its high MD strength.

Step 2: Spiral Cutting

► The next step of the process is spiral cutting. In this step, the flattened, oriented tube in unrolled, rotated and re-inflated to form a round tube.

► As the film is fed forward and rotated, it is cut on a bias (around 45 degrees) and wound up. The spiral cut film’s orientation is at 45 degrees to the machine direction.

Step 3: Cross Lamination

► Finished spiral cut rolls are mounted on corresponding spindles.

► Films are fed through and laminated with an extruder with their orientation directions crossed at 90 degrees. The films are laminated together with a layer of polyethylene.

► After lamination, film is surface treated for ink adhesion and graphic purposes. Finally, the film is wound on a core to estimated yardage.

Application:

High Density Polyethylene Cross Laminated Film for Waterproof Membranes

Parameter:

NO.	Item		Performance
			SDM-30	SDM-60
1	Tensile Property	Tensile Strength/Mpa ≥	30	50
		MaxF/(N/50mm) ≥	200	300
		Elongation as MaxF/% ≥	200
		Elongation at break/% ≥	250
2	Sample number of no broken tested by free-falling dart method ≥		8
3	Tear Strength(Nail Shank)/N ≥		60
4	Angle Tear Strength/N ≥		25
5	Thermal Stability		120 ℃,10min, No bulb, No deformation
6	Cryogenic Flexibility ℃		-35℃, No fissure, No delamination
7	Thermal Ageing	Appearance	No bulb, No deformation
		Subsequent MaxF/% ≥	80
		Elongation at MaxF/% ≥	200
		Elongation at break/% ≥	200
8	Artificial Weathering	Appearance	No bulb, No deformation
		Subsequent MaxF/% ≥	70
		Elongation at MaxF/% ≥	180
		Elongation at break/% ≥	180

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