Excel International
Kandivali West, Mumbai, Maharashtra
GST No. 27AGMPB9165F1Z8
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Slack Wax is a petroleum-derived wax obtained during the refining of lubricating oil and is widely used in various industrial applications. Excel International supplies high-quality Slack Wax suitable for manufacturers requiring cost-effective wax materials for different industrial processes.
Slack wax typically contains a mixture of paraffin wax and oil, which gives it good flexibility and suitability for applications where refined wax is not required. It is commonly used as a raw material in the production of paraffin wax and other wax products.
Slack wax is widely used in candle manufacturing, rubber processing, matches production, wax blends, waterproofing compounds and other industrial applications where economical wax material is required.
Excel International supplies different grades of slack wax suitable for industrial users looking for reliable quality and consistent supply across India.
Product Details:
| Minimum Order Quantity | 50 Kg |
| Grade Standard | Heavy Grade |
| Refinement | Fully Refined |
| Form | Viscous Liquid |
| Packaging Type | Bag |
| Usage/Application | Chemical |
| Brand | Excel International |
Product Details:
| Grade Standard | Heavy Grade |
| Refinement | Semi Refined |
| Oil Content | Approx. 16 wt% (ASTM D-721). |
| Form | Viscous Liquid |
| Color | Off White |
| Packaging Type | Bag |
| Product Type | Heavy Slack Wax (SW Heavy Grade). |
| Appearance | Semi-solid petroleum wax with oil content, light to pale color. |
| Kinematic Viscosity @ 100°C | Approx. 7.5 cSt (ASTM D-445). |
| Flash Point (COC) | Approx. 249°C (ASTM D-92). |
| Specific Gravity @ 25°C | Approx. 0.890 (IP-190). |
| Congealing Point | Approx. 61°C (ASTM D-937). |
| Drop Melting Point | Approx. 64°C (ASTM D-127). |
| Color (ASTM D-1500) | Max. 0.5. |
| Density @ 15.5°C (RPO Variant) | Approx. 1000 kg/m³. |
| Viscosity @ 100°C (RPO Variant) | 28 – 34 cSt. |
| Sulphur Content | Maximum 4% (Grade dependent). |
| Applications | Paraffin production feedstock, PVC processing, candle base blending, rust prevention, coatings, etc |
| Packaging Details | 180–200 Kg Drums / Bulk Supply Available. |
Heavy Slack Wax is a semi-refined petroleum-derived wax-oil mixture obtained as a by-product during the refining of crude oil and lubricating oils. Slack wax consists of a blend of paraffinic hydrocarbons and mineral oil, and its properties vary depending on the oil content and refinery process used.
Unlike fully refined paraffin wax, slack wax retains a significant amount of oil, giving it a semi-solid consistency at room temperature. Heavy slack wax has higher viscosity, oil content and congealing/melting points compared to light slack wax, making it suitable for a wide range of industrial applications where lubrication, blending and waterproofing properties are needed.
It is widely used by candle manufacturers, wax processors, PVC compounders, industrial lubricants, rust preventive formulations, coatings and other heavy industrial sectors due to its versatile characteristics and cost-effective performance.
Heavy Slack Wax is in demand because it offers:
Semi-Refined Petroleum Wax & Oil Blend for industrial use.
Improved Oil Content & Viscosity compared to light slack wax.
Higher Melting & Congealing Ranges for stability in processing.
Hydrocarbon-Rich Makeup suitable for blending with other waxes.
Good Lubricating & Waterproofing Properties useful in coatings, cables, and PVC formulations.
Flash Resistance & Heat Stability for various industrial settings.
This heavy grade slack wax is more oil-rich and softer than refined paraffin wax, making it suitable where a wax-oil mixture is desirable.
Heavy Slack Wax is widely used in:
Industrial Candle Making (base blend and wax feedstock)
Raw Material for Paraffin Wax Production (deoiling/bleaching feedstock)
PVC Processing & Compounding (lubricant additive)
Rust Prevention & Metal Coatings (protective layers)
Wax Emulsions & Waterproofing Agents
Industrial Lubricants & Greases
Rubber & Plastic Industries (compound blending)
Surface Coatings, Polishes & Adhesives
Heavy Slack Wax’s blend of wax and oil makes it a versatile intermediate for many industrial processes.
❖ Oil-Wax Blend: Contains substantial mineral oil, improving lubrication and plasticity.
❖ Semi-Solid Application: Solid at room temperature but melts into a homogeneous liquid.
❖ Variable Oil Content: Heavy grades typically contain ~10–30% oil depending on refinery process.
❖ Thermal Stability: High flash and congealing points improve safety and performance.
❖ Hydrocarbon Rich: Predominantly saturated hydrocarbons (C20+ range) typical of petroleum fractions.
Consistent industrial grade quality
Reliable bulk supply and export support
Competitive pricing
Technical assistance and QC documentation available
Get Latest Price & Industrial Grade Details
Contact us today for pricing, specification sheets and bulk supply options for Heavy Slack Wax.
Request a quote now for industrial petroleum wax blend supply.
Product Details:
| Minimum Order Quantity | 100 Kg |
| Oil Content | Typically 5% – 30% (Grade dependent). |
| Form | Solid |
| Melting Point | Grade dependent (generally 55°C – 65°C). |
| Packaging Type | Bag |
| Color | White |
| Product Type | Yellow Slack Wax. |
| Appearance | Yellow semi-solid petroleum wax mass. |
| Source | Derived from lubricating oil dewaxing process. |
| Congealing Point | Approx. 50°C – 65°C. |
| Flash Point (COC) | Typically above 200°C. |
| Specific Gravity @ 25°C | Approx. 0.88 – 0.92. |
| Viscosity @ 100°C | Grade dependent. |
| Color (ASTM D-1500) | Yellow shade (varies by oil content). |
| Sulphur Content | As per industrial refinery grade. |
| Applications | Paraffin feedstock, candle blending, PVC processing, coatings and industrial lubricants |
| Packaging Details | 180–200 Kg Steel Drums / Jumbo Bags |
Yellow Slack Wax is a semi-refined petroleum wax obtained during the dewaxing process of lubricating oil production. It consists of a mixture of paraffinic hydrocarbons and mineral oil, giving it a soft to semi-solid consistency and a characteristic yellow appearance.
This grade contains a relatively higher oil content compared to fully refined paraffin wax, making it suitable for industrial blending, processing and feedstock applications. Yellow Slack Wax is widely used as a raw material for further refining into paraffin wax or as a cost-effective component in wax formulations.
It offers good lubrication, water resistance and binding properties, making it ideal for a variety of industrial uses.
Yellow Slack Wax is commonly used because it provides:
Petroleum-Derived Hydrocarbon Base
Higher Oil Content (Typically 5%–30% depending on grade)
Semi-Solid Consistency at Room Temperature
Good Lubricating & Waterproofing Properties
Stable Melting & Congealing Characteristics
Cost-Effective Industrial Feedstock
Suitable for Further Wax Refining
Its composition makes it versatile for applications where flexibility and oil content are required.
Raw material for paraffin wax production
Feedstock for fully refined wax
Candle manufacturing (blending grade)
PVC processing lubricant
Rubber & tire industry
Waterproof coatings
Rust preventive formulations
Adhesives and polishes
Wax emulsions
Protective coatings
Industrial greases
✔ Semi-solid at room temperature
✔ Melts into a uniform liquid
✔ Good compatibility with other waxes
✔ Improves flexibility in blends
✔ Provides lubrication and moisture resistance
Yellow Slack Wax is especially useful in industries where a wax-oil mixture enhances performance.
Appearance: Yellow semi-solid mass
Oil Content: Typically 5% – 30%
Congealing Point: Approx. 50°C – 65°C
Melting Point: Grade dependent
Flash Point: High (Industrial grade safety)
Specific Gravity: Approx. 0.88 – 0.92
(Exact values depend on refinery source and oil percentage.)
180–200 Kg Steel Drums
Jumbo Bags
Bulk Tanker / Flexitank Supply
Suitable for domestic and export markets
Consistent Industrial Grade Quality
Multiple Oil Content Variants Available
Bulk Supply Capability
Competitive Pricing
Reliable Delivery Support
Get Latest Price & Bulk Order Details
Contact us today for pricing, oil content specification and supply details for Yellow Slack Wax.
Request a quote now for industrial petroleum slack wax supply.
Product Details:
| Minimum Order Quantity | 200 Kg |
| Oil Content | Oil content range 2% – 16% depending on grade |
| Grade Standard | Heavy Grade |
| Form | Slab |
| Color | Yellow |
| Packaging Type | Drum |
| Asphaltenes Wt Max | 0.02 – 0.05 wt%. |
| Water Content Vol Max | 0.02 % |
| Powerpoint Max | 63 Degree C |
| Shelf Life | 3-5 year |
| Flash Point | 220 Degree C (min) |
| Product Type | Sepahan Heavy Slack Wax. |
| Appearance | Yellow to light petroleum semi-solid wax. |
| Specific Gravity @ 15°C | 0.844 – 0.850. |
| Flash Point (ASTM D-92) | 248 – 262°C. |
| Kinematic Viscosity @ 100°C (ASTM D-445) | 7.4 – 8.0 cSt. |
| Water Contents | Trace. |
| Pour Point | 58°C – 63°C. |
| Oil Content @ -18°C (ASTM D-721) | 22 – 25 wt%. |
| Sulfur Content | Approx. 0.29 wt%. |
| Color (ASTM D-1500) | 1 – 2 (Max 3 depending on grade). |
| Available Grades | H-02, H-05, H-08, H-10, H-12, H-14, H-16 (Oil content range 2% – 16% depending on grade). |
| Applications | Paraffin feedstock, candle blending, PVC process, lubricants, coatings & industrial wax formulations |
| Packaging Details | Used Drum 190kg, New Drum 180kg |
Sepahan Heavy Slack Wax is a semi-refined petroleum wax-oil mixture produced as a by-product of lubricating oil manufacture. This heavy slack wax contains a blend of paraffinic hydrocarbons and mineral oil, offering excellent lubrication, waterproofing and blending properties for industrial applications.
Unlike fully refined paraffin wax, slack wax retains a higher oil fraction, giving it a semi-solid consistency at room temperature and making it ideal as an intermediate feedstock and blending base. Sepahan Heavy Slack Wax is supplied in multiple industrial grades (H-02, H-05, H-08, H-10, H-12, H-14, H-16) based on oil content ranges, providing flexibility in formulation and processing.
Sepahan Heavy Slack Wax is selected by industrial formulators because it offers:
Semi-refined petroleum wax blend with controlled oil content
Good lubricity and plasticity for industrial blending
Wide melting/congealing range suitable for processing
Stable color and physical properties
Cost-effective performance as an intermediate wax feedstock
Versatile hydrocarbon base for wax blends and compounds
Its formulation makes it suitable where a wax-oil combination enhances performance compared to pure wax.
Heavy Slack Wax is widely used in:
Wax & Paraffin Industry: As intermediate feedstock for paraffin and refined wax production
Candle Manufacturing: As blending stock for cost-effective wax bases
PVC & Polymer Processing: As lubricant and internal/external processing aid
Lubricants & Greases: As hydrocarbon matrix for industrial lubricants
Rust Preventive & Metal Coatings: Improves water resistance and surface protection
Adhesives & Polishes: Provides plasticity and gloss
Wax Emulsions: Used in protective coatings and emulsified wax systems
The combination of oil and wax content enables performance in multiple industrial settings.
✔ Semi-solid at room temperature with measurable oil content
✔ Controlled congealing and melting characteristics
✔ Good compatibility with other wax fractions
✔ Serves as cost-efficient feedstock for industrial wax conversion
✔ Provides lubrication, adhesion and water resistance
Drums (180–220 Kg)
Jumbo Bags (where applicable)
Consistent supply for industrial buyers
We supply Sepahan Slack Wax with reliable quality checks, technical documentation and bulk logistics support.
Industrial grade heavy slack wax
Multiple oil content grades available
Competitive pricing
Bulk supply capability
Technical support and QC documentation
Get Latest Price & Industrial Grade Details
Contact us today for pricing, specification sheets and bulk supply options for Sepahan Heavy Slack Wax.
Request a quote now for reliable industrial petroleum slack wax supply.
Additional Information: