Chlorinated polyethylene (CPE), as a key material in the field of PVC modification, significantly enhances product performance across multiple dimensions through its unique molecular design, injecting new vitality into PVC products.

In terms of toughening modification, CPE's elastomeric properties enable it to form a unique sea-island structure with the PVC matrix. This structure effectively absorbs and disperses impact energy, improving the product's impact resistance by 3-5 times while maintaining good rigidity retention, achieving an ideal balance between strength and toughness.

The improvement in processing performance is another important contribution of CPE. Its addition significantly reduces melt viscosity, enhances processing fluidity, and broadens the processing temperature range by 10-20°C. This not only reduces energy consumption by 15-25% but also facilitates the molding of complex products, greatly improving production efficiency.

In terms of durability, CPE effectively blocks the effects of ultraviolet light and oxygen, more than doubling the weather resistance of outdoor products. Particularly in applications such as construction formwork and outdoor guardrails, the service life can be extended by 3-5 years.

CPE also demonstrates excellent compatibility with filler systems, improving filler dispersion uniformity by over 40%. While maintaining performance, the addition of fillers such as calcium carbonate can be increased by 20-30%, providing significant space for cost optimization.

Modern CPE products place greater emphasis on environmental performance, fully complying with international standards such as REACH and RoHS. The recommended dosage is 6-12 phr, and when used in combination with organotin or calcium-zinc stabilizers, significant synergistic effects can be achieved.

In summary, through its multifunctional modification properties, CPE plays an irreplaceable role in enhancing PVC product performance, optimizing processing technology, and reducing production costs. It has become an indispensable core additive in the manufacturing of high-end PVC products.

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