40μm Black CPE Base Film, fade-resistant masterbatch, uniform gauge, opaque,

MOQ： 1000kg
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Payment Terms	T/T
Supply Ability	50 tons per day
Delivery Time	10 working days
Packaging Details	Export Standard
Material	LDPE or blended PE
Color	Black
Surface Finish	double-sided glossy, one side matte one side glossy, or double-sided matte.
Thickness	30μm~300μm
Web Width	Up to 2600mm
Brand Name	HSF
Model Number	CPE40B

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Product Details
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Product Specification


Payment Terms	T/T	Supply Ability	50 tons per day
Delivery Time	10 working days	Packaging Details	Export Standard
Material	LDPE or blended PE	Color	Black
Surface Finish	double-sided glossy, one side matte one side glossy, or double-sided matte.	Thickness	30μm~300μm
Web Width	Up to 2600mm	Brand Name	HSF
Model Number	CPE40B
High Light	40μm CPE Base Film ，Fade-resistant Cast Polyethylene Film ，High Tensile Strength High Density Polyethylene Film

40μm Black Cast Polyethylene (CPE) Base Film

Production Process

Crafted with precision cast extrusion tailored for thin-gauge performance, the 40μm black CPE base film starts with high-grade LDPE resin, homogenously blended with high-concentration, light-fast black masterbatch to ensure uniform opacity and consistent color. The compound is melted in a temperature-regulated extruder (160-180℃) for full fusion, then extruded through a high-precision flat die and cast onto a mirror-polished cooling roller for rapid, controlled solidification. Post-extrusion, precise edge trimming, constant tension calibration, and static neutralization yield tight, defect-free rolls--guaranteeing consistent 40μm gauge, opaque black hue, and a smooth surface ideal for lightweight industrial converting.

Key Features

40μm thin-gauge structure with ±4% thickness tolerance
Opaque black color with exceptional light-blocking capability
Fade-resistant and UV protective properties
Balanced tensile strength and good tear resistance
Excellent flexibility and low-temperature toughness (-10℃ to 60℃)
Ultra-smooth surface for seamless lamination and coating
Optional anti-static treatment available

Product Advantages

Distinguished by its 40μm thin-gauge structure and opaque black color, this film excels in lightweight applications while providing effective light shielding--ideal for products requiring UV protection or privacy. Its thin profile ensures easy processing and cost savings, while the uniform black hue enables quick visual identification in production lines. Exceptional batch-to-batch color and thickness consistency reduces conversion waste, and its cost-effective formulation combines reliable performance with affordability. Non-toxic, odorless, and industry-standard compliant, it supports versatile lightweight converting and steady bulk supply.

Application Environment

Optimized for lightweight industrial scenarios, the 40μm black CPE base film excels in light-blocking industrial packaging, electronic component wrapping, privacy protection films, and lightweight surface protection. It performs reliably in dry, normal-temperature environments and moderate low-temperature storage (≥-10℃), maintaining stability during high-speed slitting, lamination, and coating. Ideal for manufacturers seeking a lightweight, opaque black base film--perfect for applications requiring light shielding, easy processability, and cost-effectiveness, such as electronic part packaging and privacy wrapping.

Technical Specifications

Test Item	Unit	Industry Standard Requirement (40μm Black CPE)	Our Product Set Standard	Actual Test Result	Qualification Judgment
Total Thickness of Base Film (No Embossing)	μm	40±5	40±3	39.8 (LDPE 11.9/LLDPE 27.9)	Qualified
Blackness Uniformity	-	No obvious color difference, uniform coloring	No color difference, uniform dispersion of masterbatch	No color difference, uniform masterbatch dispersion	Qualified
Light Shielding Rate	%	≥98	≥99	99.3	Qualified
Tensile Strength (Longitudinal/Transverse)	MPa	≥16/≥14	≥18/≥16	19.1/17.2	Qualified
Elongation at Break (Longitudinal/Transverse)	%	≥310/≥290	≥330/≥310	340/321	Qualified
Heat Sealing Strength (120℃, 0.3MPa, 1s)	N/15mm	≥8.5	≥10.5	11.2	Qualified
Surface Tension (Corona Treated Surface)	mN/m	≥36	≥38	38.9	Qualified
Tear Resistance (Longitudinal/Transverse)	N	≥13/≥11	≥14/≥12	14.7/12.8	Qualified
Moisture Barrier Performance (23℃, 85%RH)	g/(m²*24h)	≤5.8	≤5.4	5.2	Qualified
Oil Resistance (Soaked in n-hexane for 24h)	-	No obvious swelling or discoloration	No swelling, no discoloration, no adhesion, no masterbatch precipitation	No swelling, no discoloration, no adhesion, no masterbatch precipitation	Qualified
Hardness (Shore D)	HD	50±5	50±3	49.7	Qualified
Weather Resistance (UV Aging for 72h)	-	No obvious fading, cracking or discoloration	No fading, no cracking, no deformation, blackness retention rate ≥98%	No fading, no cracking, no deformation, blackness retention rate 98.5%	Qualified
Environmental Protection Performance (Food Contact Grade)	-	Complies with GB 4806.7-2016	Complies with GB 4806.7-2016, no peculiar smell, no harmful precipitation, non-toxic black masterbatch	Complies with GB 4806.7-2016, no peculiar smell, no harmful precipitation, non-toxic black masterbatch	Qualified

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer,Exporter 


Year Established:

2016 


Total Annual:

1500-2000000


Employee Number:

80~100 


Ecer Certification：

Verified Supplier 

In 2016, HSF Materials Technology Co., Ltd. became a national high-tech enterprise specializing in the research and development, production, and sales of PE and PP polymer materials. The headquarters is located in Changjing Industrial Park, Jiangyin City, Jiangsu Province, with more than 100 empl... In 2016, HSF Materials Technology Co., Ltd. became a national high-tech enterprise specializing in the research and development, production, and sales of PE and PP polymer materials. The headquarters is located in Changjing Industrial Park, Jiangyin City, Jiangsu Province, with more than 100 empl...

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Shanghai HSF Materials Technology Co., Ltd.
Area D, No. 218 North Huting Road, Songjiang District, 201600 Shanghai, China
https://www.filmspe.com/

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