PVC Composite Heat Stabilizer (Footwear Grade)SD-103X

Model: SD-103X

Application: PVC shoe materials, PVC soles, PVC shoe pellets

1. Product Introduction

SD-103X is a composite lead salt stabilizer formulated with tribasic lead sulfate, dibasic lead phosphite and lead stearate, compounded with specially selected internal & external lubricants and synergistic additives. It is developed for plasticized PVC shoe compounds, suitable for pelletizing, injection molding of shoe soles and calendering of shoe uppers. It delivers balanced thermal stability and smooth plasticization. Finished products feature bright and clean surface with low blooming tendency and minimal discoloration during continuous production. It has excellent compatibility with shoe formula components including DOTP, DOP, calcium carbonate, pigments, etc.

2. Technical Specifications

3. Recommended Dosage

3.0～4.5 phr based on 100 parts PVC resin. Adjust according to plasticizer dosage, calcium carbonate loading and processing technology.

4. Processing Instruction

Application: PVC soles, PVC shoe pellets, flexible / semi-flexible PVC shoe materials Processing Temperature Range: 155～180℃ Features: Balanced lubrication, good dispersibility, low discoloration and low blooming, suitable for continuous mass production of shoe materials.

5. Packaging, Storage & Shelf Life

Packing: 25kg per bag, PP woven bag with PE inner liner

Storage: Store in cool, dry and ventilated warehouse. Keep away from moisture, acid and direct sunlight. Seal tightly immediately after opening.

Shelf Life: 12 months under proper storage conditions.

6. Safety Instructions

This product contains lead compounds. Avoid dust inhalation, skin and eye contact. Wear mask, acid & alkali resistant gloves and goggles during handling. No eating, drinking or smoking in the working area. Collect spilled materials separately and dispose of them in accordance with local hazardous waste regulations. SDS (Safety Data Sheet) is available upon separate request.

7. Disclaimer

All data above are typical reference values only and shall not be regarded as quality guarantee. Customers must verify performance by formula trials on their own. Formulation and processing conditions will affect the final properties of finished products.