Stearic Acid Treated Nano Calcium Carbonate, CAS 471-34-1, is surface modified nano CaCO₃ developed as high-performance filler for silicone sealant and industrial adhesive.
With stearic acid surface coating, the powder achieves excellent dispersion in silicone polymer systems. It effectively enhances tensile strength, hardness and thixotropic property of sealants and adhesives, prevents sagging during construction, optimizes storage stability, and helps form uniform, smooth finished surface. Th

Product Detail

Stearic Acid Treated Nano Calcium Carbonate CAS 471-34-1 Product Detail Page

Product Overview

Stearic Acid Treated Nano Calcium Carbonate, CAS 471-34-1, is surface-modified nano calcium carbonate specially designed as functional filler for silicone sealant and industrial adhesive.

The powder is processed with stearic acid surface coating technology, which greatly reduces particle agglomeration and improves compatibility with silicone polymers. When added into sealant and adhesive formulas, it optimizes thixotropy, mechanical strength and storage stability. It avoids sagging during construction, improves surface smoothness of cured products, and assists manufacturers in reasonably controlling raw material costs while maintaining stable product quality.

Product Properties

The product is fine white powder with narrow nano particle size distribution. The uniform stearic acid coating brings good hydrophobicity. It presents stable chemical inertness and will not trigger adverse reactions with silicone polymers, crosslinkers and other auxiliary agents. The filler can maintain stable performance in common production and service environments of sealants and adhesives.

Core Advantages

Excellent thixotropic control. Effectively endows silicone sealants with anti-sagging performance, suitable for vertical surface construction.

Great compatibility with silicone systems. Uniform dispersion inside silicone base glue, free from particle precipitation and surface granular defects.

Enhanced mechanical properties. Improve tensile strength, hardness and wear resistance of cured sealants and industrial adhesives.

Stable storage performance. Help prolong shelf life of finished sealant products and prevent viscosity change during storage.

Cost-efficient filler. Can partially replace expensive functional raw materials without damaging the comprehensive performance of sealants.

Main Applications

This stearic acid treated nano calcium carbonate is mainly used as core filler for neutral and acidic silicone sealants. It is also widely applicable to various industrial adhesives, construction sealants, waterproof sealing materials and elastic glue products that require good thixotropy and smooth appearance.

Usage Guidance

Add the nano calcium carbonate in the powder feeding stage of sealant kneading production. Carry out sufficient high-speed kneading to realize uniform dispersion in silicone base material.

Adjust the addition amount according to target viscosity, thixotropy and mechanical indicators of finished sealants. Optimize formula matching together with plasticizers and other additives.

Packing & Storage

Standard packaging is 25kg woven bag with inner plastic lining. Sample packages are available for formula testing.

Seal and store in cool, dry and ventilated warehouse. Avoid dampness and caking. Keep away from strong acid substances. Prevent package damage during transportation. This product is common inorganic chemical raw material.

Our Service

We supply stable bulk goods of Stearic Acid Treated Nano Calcium Carbonate CAS 471-34-1. Different particle size grades can be customized to match diverse silicone sealant formulas. Free samples are supported for customer testing. Our technical team can provide professional formula adjustment suggestions for sealant and adhesive production.

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Stearic Acid Treated Nano Calcium Carbonate CAS 471-34-1 for Silicone Sealant Industrial Adhesive

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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.