CAS 38742-70-0 Low Temperature Foaming Microspheres act as dedicated nubuck effect additive for PVC leather surface treatment. The microspheres expand evenly under moderate heating to form fine micro concave-convex structure on leather surface, delivering soft matte nubuck velvet touch. It features low initiation foaming temperature, good compatibility with PVC coating systems and stable texture modification performance.

Product Detail

CAS 38742-70-0 Low Temperature Foaming Microspheres for PVC Leather Surface Treatment Nubuck Effect Additive

Product Overview

CAS 38742-70-0 Low Temperature Foaming Microspheres are professional functional additives specially developed for PVC leather surface modification and finishing treatment. With low-temperature activation and stable uniform expansion characteristics, the microspheres form dense and fine microscopic concave-convex structures on the PVC leather surface after mild heating foaming. It effectively simulates high-quality natural nubuck velvet texture, endowing ordinary smooth PVC leather with soft matte hand feel, delicate suede touch and elegant low-gloss appearance. This product features excellent compatibility with PVC coating and surface finishing systems, stable foaming performance and no damage to leather base material. It is the ideal core additive for upgrading ordinary synthetic leather to high-grade nubuck effect leather.

Core Features

Authentic Nubuck Velvet Effect: Uniform microsphere expansion forms fine and regular micro uneven texture on leather surface, creating soft, delicate and natural nubuck matte velvet effect. Effectively upgrades flat and rigid ordinary PVC leather to high-end textured leather.

Safe Low-Temperature Foaming Molding: Low activation foaming temperature adapts to PVC leather low-temperature curing process. It avoids leather hardening, shrinkage, yellowing and base layer damage caused by high-temperature processing, fully protecting leather flexibility and original performance.

Excellent PVC System Compatibility: Specially optimized surface activity enables uniform dispersion in PVC paste, surface finishing agent and coating slurry. No agglomeration, floating powder or precipitation, ensuring consistent and smooth leather surface effect.

Improve Leather Surface Performance: Effectively optimize leather matte texture, enhance surface anti-slip property and wear resistance, cover minor surface defects of PVC leather, improve product grade and finished product yield.

Durable & Stable Modification: The foamed micro texture is firmly combined with the leather surface, not easy to fall off or fade after long-term friction and washing. The nubuck effect lasts stably with excellent weather resistance and durability.

Product Specifications

Product Name: Low Temperature Foaming Microspheres

CAS No: 38742-70-0

Product Type: Leather Functional Finishing Additive / Nubuck Effect Modifier

Foaming Temperature Range: 75℃–110℃

Appearance: White Ultra-Fine Powder

Applicable Material: PVC Leather, Synthetic Leather, Artificial Leather

Core Function: Nubuck velvet effect, matte texture modification, surface beautification and anti-slip

Recommended Dosage: 1.0%–3.0% (Adjustable according to nubuck fineness and matte demand)

Application Scope

Widely used in surface finishing and texture upgrading of all kinds of PVC synthetic leather and artificial leather. Including garment PVC leather, shoe upper leather, bag leather, sofa decorative leather, automotive interior leather and craft synthetic leather. It is dedicated to producing high-quality nubuck effect leather, perfectly meeting the market demand for low-gloss, soft-touch and high-texture leather products.

Usage Guide

Add low temperature foaming microspheres into PVC leather finishing agent or coating slurry under low-speed stirring, and mix evenly at room temperature. Avoid high-shear stirring and high-temperature environment to prevent microsphere rupture and premature foaming. After complete dispersion, evenly coat the slurry on the PVC leather surface according to the conventional finishing process. Complete thermal expansion and nubuck texture forming through low-temperature drying and curing. Adjust the dosage, coating thickness and curing parameters appropriately according to the target velvet fineness and matte degree. Keep raw materials sealed and moisture-proof during use and storage.

Packaging & Storage

Packaging: 25kg sealed moisture-proof composite packaging with inner liner, dust-proof and leak-proof, suitable for industrial mass production and long-distance transportation.

Storage: Store in a dry, cool and ventilated warehouse, keep tightly sealed at all times. Strictly avoid direct sunlight, high temperature accumulation and humid environment to prevent spontaneous foaming and caking. The standard shelf life is 12 months under qualified storage conditions.

Our Advantages

We supply high-quality low temperature foaming microspheres specially customized for PVC leather nubuck effect modification, with stable batch indicators and uniform foaming effect. The product can form delicate and consistent velvet texture on leather surface without affecting leather flexibility, color and adhesion. We support factory direct sales, long-term stable bulk supply, free sample testing and professional leather finishing formula technical guidance, helping leather manufacturers improve product added value and market competitiveness.

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.