Slack Wax
Industrial petroleum wax for wax refining, candle manufacturing, wax emulsions and a wide range of industrial applications.
Importer & supplier across India · New Delhi · Mundra · Kandla · Bhiwandi · Tuticorin
Overview
Gomti International supplies Slack Wax in multiple grades for wax refiners, candle manufacturers, industrial processors and distributors.
Slack Wax is a petroleum-derived wax obtained during the dewaxing of lubricating base oils. It contains varying proportions of oil and wax hydrocarbons and is widely used as a raw material for the production of semi-refined and fully refined paraffin wax, as well as directly in a range of industrial applications.
Our Slack Wax portfolio includes grades with different oil content, viscosity, colour and physical characteristics, allowing customers to select material according to their refining process, formulation and end-product requirements.
Applications
Slack Wax is widely used in:
Paraffin Wax Production
An important feedstock for further refining into semi-refined and fully refined paraffin wax.
Candle Manufacturing
Used in candle and wax formulations according to the required oil content, colour and melting characteristics.
Wax Emulsions
Used as a raw material in industrial wax-emulsion formulations.
Textile Industry
Used in selected textile processing, finishing and wax-based applications.
Insulation & Glass Wool
Suitable for selected insulation and glass-wool manufacturing processes.
Polishes & Coatings
Used as a blending component in industrial polishes, coatings and surface-treatment products.
Waterproofing
Used in wax-based waterproofing and moisture-resistant formulations.
Matches & Inks
Selected grades can be used in the manufacture of matches, inks and related industrial products.
Industrial Wax Products
Suitable for further processing and blending into a variety of specialty wax products.
Typical specifications
Slack Wax — SW Series
| Parameter | SW 10 | SW 20 | SW 40 | Test Method |
|---|---|---|---|---|
| Kinematic Viscosity @ 100°C | 5 cSt | 7 cSt | 8 cSt | ASTM D445 |
| Flash Point | 230°C | 250°C | 265°C | ASTM D92 |
| Density @ 15.6°C | 820 kg/m³ | 840 kg/m³ | 855 kg/m³ | ASTM D1298 |
| Oil Content | 15 wt% | 20 wt% | 25 wt% | ASTM D721 |
| Congealing Point | 55°C | 60°C | 61°C | ASTM D937 |
| Colour | 0.5 | 1.0 | 2.0 | ASTM D1500 |
| Drop Melting Point | 57°C | 60°C | 65°C | ASTM D127 |
Slack Wax — H & L Series
| Parameter | H-5 | H-08 | L-5 | L-8 | Test Method |
|---|---|---|---|---|---|
| Kinematic Viscosity @ 100°C | 5.5–7.5 cSt | 5.5–7.5 cSt | 3.8–5.5 cSt | 3.8–5.5 cSt | ASTM D7042 |
| Oil Content | 2–5 wt% | 5–8 wt% | 2–5 wt% | 5–8 wt% | ASTM D721 |
| Density @ 15.6°C | TBR | TBR | TBR | TBR | ASTM D4052 |
| Flash Point (Min.) | 230°C | 230°C | 230°C | 230°C | ASTM D92 |
| Colour @ 70°C (Max.) | 2 | 2 | 1 | 1 | ASTM D1500 |
| Penetration (Max.) | 70 | 70 | 70 | 70 | ASTM D938 |
Typical values are indicative and may vary according to origin and production batch. Final contractual specifications should be confirmed against the applicable Certificate of Analysis (CoA).
Product characteristics
01
Wide Range of Oil Contents
Multiple grades provide flexibility for different refining, blending and manufacturing requirements.
02
Paraffin Wax Feedstock
Widely used as a raw material for further processing into semi-refined and fully refined paraffin wax.
03
Multiple Viscosity Grades
Different viscosity characteristics allow customers to select material appropriate for their production processes.
04
Broad Industrial Utility
Suitable for wax refining, candle manufacturing, emulsions, textiles, insulation, coatings, waterproofing and other industrial applications.
Packing & supply
Packing
Suitable industrial packing
Supply
Bulk supply available
Available according to grade, quantity and customer requirements. Gomti International supports customers with reliable sourcing, competitive pricing and timely execution.
Ready to source Slack Wax?
Send us your required grade, quantity, packing requirement and delivery location. Our sales team will respond with current availability, applicable specifications, Certificate of Analysis and a competitive commercial offer.
Looking for reliable Slack Wax supply? Enquire with Gomti International today.

Fig. 05 — Slack Wax
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Our network
- New DelhiHead office — West Punjabi Bagh
- MundraWarehouse & office · Gujarat
- KandlaWarehouse & office · Gujarat
- BhiwandiWarehouse · Maharashtra
- TuticorinWarehouse & office · Tamil Nadu