Description

Comspan Opaque is a specialized chemical compound identified by CAS No. 103370-55-4, designed to provide exceptional opacity and light-blocking properties in advanced material formulations. This product is critical for applications requiring precise control over light transmission and protection of sensitive components from photodegradation. It serves as a key functional additive for manufacturers in the coatings, plastics, and specialty polymer industries seeking to enhance product durability and performance.

Application

• As a primary opacifying agent in high-performance industrial and architectural coatings.
• Key component in light-stabilized masterbatches for engineering plastics and polymers.
• Used in the formulation of UV-protective films and layers for packaging and electronic displays.
• Essential additive for opaque molding compounds in automotive and consumer goods.
• Employed in specialty inks and pigments where consistent light blockage is required.
• Functional filler in composite materials to improve weatherability and aesthetic finish.

Basic Information

Product Name	Comspan Opaque
CAS No.	103370-55-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Opaque Agent 103370-55-4; Light Blocking Additive 103370-55-4; Comspan OP; Opacifier CAS 103370-55-4; UV Opacifying Compound; Photostabilizer Opaque Grade; Industrial Opacifying Agent
EINECS	Contact for details

Quality Control

Every batch of Comspan Opaque is produced and tested under a rigorous quality management system to ensure batch-to-batch consistency and performance reliability. Our products undergo comprehensive analysis to verify key parameters such as opacity index, particle size distribution, and chemical stability. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep the container sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to standard
Assay (Active Content)	≥ 98.0 %
Opacity Index	≥ 95 %
Particle Size (D50)	5 - 15 µm
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.