G70 External Lubricant

‌Brand‌: WSD CHEMICAL
‌Product Name‌: G70 PVC External Lubricant

1. Product Introduction

G70 is a high-purity, multifunctional fatty acid ester external lubricant developed specifically for rigid and semi-rigid PVC processing. As a non-toxic, low-volatility solid lubricant, it forms a uniform lubricating layer between the PVC melt and metal equipment surfaces during the mid-to-late processing stage, effectively preventing sticking, reducing friction, and significantly improving demolding and surface finish.

2. Typical Technical Specifications

3. Key Performance Advantages

1.Provides strong and durable external lubrication in the later processing stage, effectively reducing melt adhesion to screw and die surfaces

2.Dramatically improves demolding performance, lowers product surface sticking and residue buildup on equipment

3.Enhances finished product surface smoothness, gloss and texture, eliminating flow lines, pockmarks and foggy surfaces

4.Low volatility and high thermal stability, producing almost no fume or precipitation even under long-term high-temperature processing

5.Good transparency retention, suitable for transparent and translucent PVC products without causing haze

6.Fully compatible with calcium zinc stabilizers, tin-based stabilizers and lead salt stabilizers, no negative interaction with formulation systems

7.Excellent anti-precipitation property, avoiding mold fouling and surface blooming during long-run continuous production

4. Main Application Fields

‌Calendered PVC Sheets & Films‌
Prevents material from sticking to calender rolls, improves sheet surface smoothness, and supports stable high-speed calendering operation.

‌WPC Foam Boards & Decorative Panels‌
Controls the melt release balance, helps form uniform and fine foam cell structure, and prevents board surface from sticking to the setting mold.

‌PVC Granulation & Compounding‌
Reduces shear heat generation during extrusion, improves pellet surface smoothness, and lowers the risk of material thermal decomposition.

5. Recommended Usage

Standard addition dosage: 0.2–0.6 phr in most rigid PVC formulations

For high-speed extrusion, calendering or complex injection molding scenarios, the dosage can be appropriately increased to 0.5–0.8 phr after small-scale testing

Works perfectly with internal lubricants such as G60, stearic acid, PE wax and FT wax, helping you build a full-process balanced lubrication system

6. Packaging & Storage

Standard packaging: 25kg woven bag with inner PE liner.16tons/20’GP

Store in a dry, cool and ventilated indoor warehouse, storage temperature should not exceed 40 °C.Keep away from strong oxidizing agents and open flames

The shelf life is 12 months under recommended storage conditions

7. WSD CHEMICAL Value

Leveraging over 20 years of deep experience in PVC formulation and processing, WSD CHEMICAL supplies G70 lubricant with strict batch quality control, stable supply capacity and flexible delivery terms. We not only provide consistent products, but also offer professional technical support including lubrication system design, production problem diagnosis and formulation optimization suggestions, helping global PVC manufacturers reduce production cost and improve product quality.