Pyrite for Rubber Vulcanizing Agent

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Product Overview

Pyrite (FeS₂) ultra-fine powder is a multifunctional raw material for rubber industry, used as vulcanizing agent and reinforcing filler at the same time. It can partially replace elemental sulfur in rubber formula, with high sulfur content and super fine particle size from 325 to 1000 mesh. It features good dispersion, no agglomeration, perfectly compatible with natural rubber and synthetic rubber, greatly upgrading heat resistance, wear resistance and anti-aging property of finished rubber products.

Application parameter specification table

Item	Application Parameter
Main Usage	Rubber Vulcanizing Agent / Reinforcing Filler
Sulfur Content	≥45%
Particle Size	325–1000 Mesh Ultra-fine Grade
Dispersion Performance	Excellent, easy uniform mixing with rubber compound
Function Advantage	Replace partial sulfur, improve heat / wear / anti-aging
Recommended Adding Proportion	Adjustable according to rubber formula
Applicable Rubber Type	Natural rubber, synthetic rubber, general industrial rubber

五、Core Advantages

Dual function: both vulcanizing agent and reinforcing filler
Partially replace traditional sulfur, reduce formula cost
Ultra-fine 325–1000 mesh, superior dispersion in rubber
Significantly enhance rubber heat resistance and high temperature stability
Improve abrasion resistance and long-term anti-aging performance
Stable chemical property, no bad influence on rubber curing process

六、Application Scope

Industrial rubber sheets, rubber pads
Rubber seals, gaskets and hose products
Rubber conveyor belts and rubber rollers
All kinds of molded and extruded rubber parts

七、3 个谷歌专属标签（全新不重复）

Pyrite Rubber Vulcanizing Agent
Rubber Reinforcing Filler Pyrite
325–1000 Mesh Pyrite for Rubber

FAQ

Q1: What is the function of pyrite in rubber?

A1: It can be used as both vulcanizing agent and reinforcing filler, partially replacing sulfur, improving rubber heat resistance, wear resistance and anti-aging ability.

Q2: Why choose 325–1000 mesh ultra-fine pyrite?

A2: Ultra-fine particle size ensures excellent dispersion in rubber compound, uniform reaction and stable physical performance of finished rubber.

Q3: Can pyrite completely replace sulfur in rubber formula?

A3: It can partially replace traditional sulfur, optimize formula cost while keeping and improving rubber comprehensive performance.

📦 Packaging & Storage

Packaging: 20kg composite paper bags (with moisture-proof lining) for small batches, 1000kg bulk bags (with pallets) for large orders, both designed to prevent moisture and leakage during transportation.
Storage: Keep in a dry and ventilated warehouse, avoid direct sunlight and rain. Do not store with strong acids or oxidants. The shelf life is 18 months when unopened; after opening, seal the remaining product promptly.