Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Cabot PE6372 UV Masterbatch

Cabot PE6372 UV Masterbatch is a high-performance polyethylene-based ultraviolet stabilizer masterbatch from Cabot’s PE Series. Featuring optimized dispersion and thermal stability, it delivers exceptional UV protection for outdoor PE applications like pipes, films, and geomembranes. Designed for efficient processing and consistent colorability, it ensures long-term weatherability and mechanical integrity.
  • cabot pe6372 uv masterbatch_a700717b
  • cabot pe6372 uv masterbatch_a700717b

Features Of Cabot PE6372 UV Masterbatch

  1. Highly effective UV stabilization for extended outdoor service life of polyethylene products.

  2. Optimized dispersion of UV absorbers and HALS (Hindered Amine Light Stabilizers) in PE carrier matrix.

  3. Low-migration formulation ensuring consistent protection without surface blooming or plate-out.

  4. Excellent thermal stability compatible with standard PE extrusion and blow molding processes.

  5. Ready-to-use masterbatch format enabling precise dosing and simplified processing versus dry blends.

Typical Applications Of Cabot PE6372 UV Masterbatch

  1. Agricultural films including greenhouse covers and mulch films.

  2. Geomembranes for landfill liners, pond liners, and civil engineering applications.

  3. HDPE and LDPE packaging films requiring long-term UV resistance.

  4. Outdoor utility pipes and irrigation tubing exposed to sunlight.

  5. Rotomolded containers and tanks used in outdoor storage environments.

Specifications Of Cabot PE6372 UV Masterbatch

Chemical TypeUV-stabilized polyethylene masterbatch
Product FormFree-flowing granules
AppearanceOff-white to light beige pellets
Carrier ResinLDPE (low-density polyethylene)
UV Stabilizer SystemCombination of UV absorber and HALS
Recommended Loading Range1.5–3.0 wt% depending on application and UV exposure level
Typical Density0.91–0.93 g/cm³
Key BenefitsEnhanced weatherability, reduced embrittlement, improved color retention


Cabot PE6372 UV Masterbatch – Frequently Asked Questions (FAQ)

Q1: What is the primary function of Cabot PE6372 UV Masterbatch?

A: Cabot PE6372 UV Masterbatch is a polyethylene-based concentrate designed to provide robust ultraviolet (UV) light stabilization for PE and PP resins. It helps protect finished products from UV-induced degradation—including discoloration, embrittlement, and loss of mechanical properties—during outdoor exposure or UV-intensive processing.


Q2: Which polymer systems is PE6372 compatible with?

A: PE6372 is specifically formulated for compatibility with polyethylene (HDPE, LDPE, LLDPE) and polypropylene (PP) resins. It disperses effectively during standard melt processing (e.g., extrusion, injection molding), but performance in other polymer families (e.g., PET, ABS, or engineering thermoplastics) is not guaranteed and requires prior evaluation.


Q3: How should PE6372 be incorporated into production?

A: PE6372 is added as a masterbatch via gravimetric or volumetric dosing systems. It is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—depending on the base resin, part geometry, expected UV exposure conditions, and regulatory requirements for end-use applications.


Q4: Does PE6372 contain any heavy metals or restricted substances?

A: Cabot PE6372 UV Masterbatch is formulated without intentionally added lead, cadmium, mercury, or hexavalent chromium. It complies with widely recognized industry expectations for general-purpose industrial polymers; however, suitability for regulated markets (e.g., food contact, toys, or medical devices) must be confirmed through application-specific testing and compliance documentation.



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