Fineness (1.5 Denier): The 1.5 - denier (D) fineness indicates a relatively medium - fine fiber. Denier measures the linear density of the fiber, and this value strikes a balance between softness and strength. Compared to finer fibers, the 1.5D fiber has a bit more body, which can contribute to the durability and texture of the resulting yarns and fabrics. It is not as delicate as a 1 - denier fiber but still offers a smooth enough surface to be comfortable against the skin, making it suitable for a broad range of textile applications, from apparel to home textiles.
Length (38mm): With a length of 38 millimeters (mm), this staple fiber is well - sized for efficient processing in staple - fiber spinning systems. The 38 - mm length allows for effective fiber entanglement and alignment during the spinning process. Fibers of this length can be easily blended with other fibers of similar or different types, enhancing the customization of yarn properties. They can form strong and uniform yarns, which are essential for producing high - quality textiles with consistent performance.

Color Feature

Deep Black Hue: The fiber is dyed in a rich black color. The dyeing process is carried out using advanced techniques and high - quality dyes, ensuring excellent colorfastness. This black color remains vivid and resistant to fading even after multiple washes, long - term exposure to sunlight, and regular wear. The black color is highly versatile, finding applications in various industries. In the fashion industry, it is a classic choice for creating elegant, sophisticated, and modern looks. In industrial and technical textiles, the black color can offer advantages such as hiding dirt and providing a more professional appearance.

Material - Specific Properties

Strength and Durability: As a polyester fiber, it possesses high strength. Polyester is known for its excellent tensile strength, enabling the 1.5D x 38mm black polyester staple fiber to withstand significant mechanical stress. This makes it suitable for applications where durability is crucial, such as in workwear, industrial fabrics like conveyor belts, and heavy - duty upholstery. The fiber's strength also contributes to the longevity of the final textile products, reducing the likelihood of breakage and wear - out.
Wrinkle Resistance: It exhibits remarkable wrinkle - resistant properties. Polyester fibers have a natural tendency to maintain their shape, and this characteristic is highly beneficial in textile manufacturing. Fabrics made from this fiber are less likely to wrinkle, which is a desirable feature for both apparel and home textiles. It reduces the need for extensive ironing or fabric - care procedures, providing convenience to consumers and cost - savings in the manufacturing and maintenance processes.
Moisture Management: The fiber has low moisture absorption. Polyester does not readily take in water, which has several advantages. Fabrics made from this fiber dry quickly, making them ideal for sportswear, outdoor clothing, and other applications where rapid drying is essential. Additionally, the low moisture absorption helps prevent the growth of mold and mildew, ensuring the hygienic quality and long - term integrity of the textile product, especially in humid environments.

Technical Specifications:

ITEM	UNIT	VALUE
Tenacity at Break	cN/dtex	≥4.8
CV Tenacity at Break	%	≤11.0
Elongation at Break	%	22.0±5.0
Deviation of Titer	%	±5.0
Length Deviation	%	±5.0
Over Length Fiber	%	≤0.5
Multiple Length Fiber	mg/100g	≤6
Defects	mg/100g	≤10
Crimp Number	pcs/25mm	11.0±2.5
Crimp Removal	%	12.0±3.0
Tenacity at 10% Elongation	cN/dtex	≥3.7
Shrinkage in Hot Dry Air 180℃	%	8.0±2.0
Electricity Resistance	Ω.cm	≤M x 10⁸ (0≤M≤10)
Oil Pick-up	%	0.15±0.05
Humidity	%	≤0.5

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