Hot mastic run

Hot mastic run


This product is produced on the basis of bitumen, which is used hot in the desired joints, especially horizontal and structural expansion joints exposed to petroleum solvents. Complies with ASTM D3569 standard.


Petrol pumps
Parking area
Floors of repair shops and garages
Fuel and oil depots
Sealing of structures

Consumption benefits:

UV resistance
Complete adhesion with the desired seam surfaces
Resistant to petroleum solvents

Consumption rate:

110 g of RW Joint Sealants 330 is required for one meter of seam to a depth of one centimeter and a width of one centimeter.

Note: It is better that the depth of the seam is less than its width.

Method of Use:

First, remove the desired seam surfaces from any dust, grease and loose particles, and make sure that these surfaces are completely dry. Then pour RW Joint Sealants 330 in a double-walled boiler or indirectly heat it. And stir well. Then pour the melted RW Joint Sealants 330 into the desired horizontal seams so that air bubbles are not trapped between them. (Pour constantly). After execution, you can wash the tools before drying with soap and water, or if they dry, wash them with thinner.

technical specification:

Physical state: solid black

Specific weight: about 1/1 kg / cm.

Pouring temperature: between 190-170 degrees Celsius

Runtime temperature: ‌ between +5 to +60 degrees Celsius

Permeability by conical spindle: maximum (0.1 mm) 90

Flexibility: between 60% to 80%

Storage conditions and duration: away from cold and heat in the initial packaging for 24 months.

Packing: According to order

Safety Tips:

As with other chemicals, be careful when storing and working with this product to avoid contact with the mouth, eyes and food, and in case of possible contact, immediately flush the area with plenty of water.

Environmental Tips:

Do not spill excess water or soil.

Quality confirmation:

All products produced and supplied by this company are in accordance with international quality standards.

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