Product and Application

Focus on the production, sales and R&D of new products and new materials such as three-layer co-extrusion lithium battery diaphragm with different materials of PP and PE, and the same material of PP, PI diaphragm, lithium battery composite diaphragm and solid electrolyte membrane, PVDF coated diaphragm and ceramic coated diaphragm.

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Introduction to Product Series

Focus on the production, sales and R&D of new products and materials such as three-layer co-extrusion lithium battery film with different materials of PP and PE and the same material of PP, PI film resistant to the high temperature of 350 °C, lithium battery composite film and solid electrolyte film, PVDF coated film and ceramic coated film.

Dry uniaxially stretched film Coated film

PP Single-Layer Composite film

Scope of Application：Large lithium-ion battery (electric automobiles, electric motorcycles, electric tools, large energy storage equipment)

Product Specifications：22um/24um/25um/27um/32um

Product Features：Good consistency of product indicators; Low cost and high cost performance. 1

PP Single-Layer Composite film
Thickness	Unit		22μm	24μm	25μm	32μm
Specification	/		22S	24L	25L	32L
air permeability	Sec/100ml		340	350	350	350
Porosity	%		37	40	39	39
Puncture Strength	gf		≥350	≥400	≥400	≥450
Tensile Strength	Kgf/cm²	MD	≥1200	≥1200	≥1200	≥1200
Tensile Strength	Kgf/cm²	TD	≥110	≥110	≥110	≥110
Heat Shrinkage(MD)	%	105℃/2H	≤2.0	≤2.0	≤2.0	≤2.0

PP/PP/PP Three-Layer Co-Extrusion film

Scope of Application: High-performance lithium-ion battery (3C electronic products, electric automobiles, high-performance polymer battery, high-rate battery, ultra-low temperature battery)

Product Specifications: 12um/14um/16um/18um/20umProduct

Features: High puncture strength, low short circuit rate; High conductivity and good ion permeability; Faster liquid absorption rate and good liquid retention;

PP/PP/PP Three-Layer Co-Extrusion film
Thickness	unit		14μm	16μm		18μm	20μm
Specifications	/		14L	16S	16H	18L	20S	20L	20G
Ventilate	Sec/100ml		200	300	270	330	325	320	200
Porosity	%		39	35	40	37	37	39	47
Puncture Strength	gf		≥250	≥250	≥280	≥330	≥360	≥320	≥300
Tensile Strength	Kgf/cm²	MD	≥1200	≥1200	≥1500	≥1000	≥1200	≥1200	≥1200
Tensile Strength	Kgf/cm²	TD	≥110	≥110	≥180	≥100	≥110	≥110	≥110
Heat Shrinkable(MD)	%	105℃/2H	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0

PP/PE/PP Three-Layer Co-Extrusion film

Scope of Application: High-performance lithium-ion battery (consumer electronics, electric tools, high-performance polymer battery)

Product Specifications：9um/14um/16um/20um/25um

Product Features：

It can achieve ultra-thin production；
High toughness and superior resistance to falling；
It has a "thermal shutdown function" with high security；
Compared with the foreign three-layer composite film, the advantages of thermal shrinkage are obvious；

It combines the advantages of dry and wet films, and has advantages over wet coating

One less coating layer, 45 degrees more safe

The DSC data shows that the PE melting temperature of the three-layer co-extrusion PP/PE/PP film is quite different from the PP melting temperature. When the internal temperature of the lithium battery exceeds 120 °C, the PE layer begins to close, but the PP layer still has a supporting effect and the film will not break until 165 °C. The difference between the heat-closed hole temperature and the heat-melting temperature is as high as 45 °C, which is equivalent to adding a protective layer on the PE film, truly realizing the "thermal shutdown function" and "double closed-hole insurance", with better safety performance.

PP/PE/PP Three-Layer Co-Extrusion film
Thickness	Unit		9μm	14μm	16μm	20μm	25μm
Specification	/		9E	14E	16E	20E	25E
air permeability	Sec/100ml		170	350	270	360	400
Porosity	%		35	39	39	39	39
Puncture Strength	gf		≥150	≥200	≥220	≥300	≥330
Tensile Strength	Kgf/cm²	MD	≥1000	≥1000	≥1000	≥1000	≥1000
Tensile Strength	Kgf/cm²	TD	≥100	≥100	≥100	≥100	≥100
Heat Shrinkage(MD)	%	105℃/2H	≤3.0	≤3.0	≤3.0	≤3.0	≤3.0

C Series Coated Film (Aluminium Oxide)

Scope of Application: Power battery (electric automobiles, electric motorcycles, electric tools), large energy storage equipment, high voltage battery.

Product Specifications: 12+4C/14+2C/16+4C/20+4C/25+4C

Product Features：

low water content (≤850ppm), fast matching drying process

Good thermal shrinkage(150 ° C / H MD: ≤ 5%; TD: ≤ 0.5%).

C Series Coated Film (Boehmite)

Scope of Application: High-performance lithium-ion battery (3C electronic products, electric automobiles, high-rate charging and discharging battery)

Product Specifications：12+4C/14+2C/16+4C/20+4C/25+4C

Product Features：

low water content (≤800ppm), fast matching drying process，

High adhesion, no powder falling, good anti-dendritic performance，

small hardness, small wear on the roller and fixture of production line.

P Series PVDF Coated Film

Scope of Application: 3C electronic products, power batteries.

Product Specifications: (12-25)+(1-4)P (single-sided/double-sided)

Product Features：

It improves battery bulge deformation, increases hardness and reduces wrinkle risk.

CP Series Coated Film (Mixed Coating)

Scope of Application：3C electronic products

Product Specifications: (12-25)+(1-4)P (single-sided/double-sided)

Product Features：

Not needing multiple coatings, more economical

and safe, higher hardness, smaller deformation

	14+2C	14+4C	3C+14+3C	16+4C	20+3C	20+4C	22+3C	25+3C	25+4C	+（1-5）P
Thickness（μm）	16±2	18±2	20±2	20±2	23±2	24±2	25±2	28±2	29±2	+（1-5）
Surface Density(g/㎡)	11±2	13.5±2	17±3	14.5±2	16±2	16.5±2	16.5±2	19±2	19.5±2	+(0.3-1.2)
air permeability(sec/100cc)	210±50	260±50	300±80	300±50	350±80	340±80	380±80	400±80	400±80	+(10-30)
Puncture Strength（gf）	≥220	≥220	≥220	≥260	≥300	≥300	≥350	≥400	≥400	/
Tensile Strength-MD Kgf/cm²	≥1100	≥1100	≥800	≥1100	≥1100	≥1100	≥1100	≥1100	≥1100	/
Tensile Strength-TD Kgf/cm²	≥100	≥100	≥100	≥100	≥100	≥100	≥100	≥100	≥100	/
Thermal Shrinkage℃/1H-MD(%)	≦3.0	≦3.0	≦2.0	≦2.0	≦2.0	≦3.0	≦2.0	≦2.0	≦2.0	≤3
Thermal Shrinkage℃/1H-TD(%)	≦0.5	≦0.5	≦0.5	≦0.5	≦0.5	≦0.5	≦0.5	≦0.5	≦0.5	≤0.5

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Zone, Zhangbei Road, Longgang District, Shenzhen

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