Inorganic Zinc Silicate Primer

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Introduction -

This is a two pack solvent based inorganic zinc silicate primer, which can be used as single coat system or in conjunction with suitable top coats.
This primer provides outstanding cathodic protection to steel surfaces preventing corrosion under extreme conditions.

The system recommended for application on suitably primed steel structure exposed to chemical and industrial environment in refineries, petrochemicals, paper and pulp plants, and fertilizer industries. This product is recommended for use in sea weather (Coastal Areas).


1. Low shrinkage during cure.
2. Excellent adhesion to many different substrates
3. Excellent water (with suitable top coat for immersion condition) and alcohol resistance, salty water resistance Unaffected by Oil and Grease, detergents.
4. Very Good solvent resistance.
5. Excellent Abrasion resistance


Type Two Pack, Self cured
Composition Ethyl Silicate/ Metallic Zinc
Mixing Ratio 1 : 1.500 By Weight
Recommended DFT 65- 75 µ
Covering & Spreading Rate 8 - 9 Sq Mtr/ liter (theoretical)
Drying Time Touch Dry: 30 minutes
Tack Free: 3 - 4 hours
Hard Dry: overnight
Curing Time 6 -7 Days
Over coating interval Min overnight / Max indefinite
Flash Point Bellow 25° C
Colour Grey
Packing 25 Liter
Thinner Thinner is required for dilution
Finish Matt

Before applying primer remove oil & grease, oil, & other contaminants by using proper degreasing & de-rusting chemicals, if heavy rust is present blast clean the surface.
After drying cleaning the surface; stir well the part 1 thoroughly. Weigh out the components in the recommended proportion (1: 1.5 by weight) and slowly add the part 2 with constant stirring preferably with a mechanical stirrer. Continue stirring still the powder is thoroughly dispersed. Filter the mixture through a 60 to 80 mesh sieve or nylon filter cloth. Allow the mix to mature for 15- 20 minutes. Apply by conventional spray or airless spray overcoat after 16-18 hours. This is a moisture cured system & may be applied at high humidity.

Reach us

Contact Details

Tuff Coat Polymers Pvt. Ltd.

Sr. No. 143/1, Umed Building, B - Wing, Flat No. B - 102, Lagad Mala, Sinhagad Road, Dhayari, Taluka Haveli, Behind Surya Electronic, Pune – 411041

Sales: +91 96045 12297 / +91 81498 31297

Purchase: +91 98814 08404

Accounts: +91 99212 40404