PRODUCT DATASHEET

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PRODUCT DATA

Property	Value
Type	Single Pack
Composition	Modified alkyd medium pigmented with zinc chromate and red oxide of iron
Application	Brush and conventional spray
Recommended DFT	30–35 microns per coat
Theoretical Spreading Rate	10.0–11.7 sq. mtr/ltr
Drying Time – Touch	1–2 hours
Drying Time – Hard	Overnight
Overcoating Interval – Minimum	Overnight
Flash Point	Above 30°C
Colour	Red Oxide
Packing	20 litres
Thinner/Cleaner	Thinner 800
Finish	Matt
Storage Life	Up to 12 months (sealed, kept dry at normal temperature)

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RESISTANCE GUIDE

Chemical Resistance (with proper topcoat)

Exposure	Splash & Spillage	Mild Fumes / Outdoor Resistance
Acids	Fair	Good
Alkalis	N/R	Poor
Solvents	N/R	Poor
Salt	Good	Good
Water	Excellent	Excellent

N/R = Not Recommended

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Temperature Resistance

• Continuous: 93°C
• Intermittent: 120°C

Weatherability

• Excellent with suitable topcoat

Flexibility

• Excellent

Abrasion Resistance

• Moderate

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SURFACE PREPARATION

• Remove grease, oil and contaminants — preferably with Bison Degreasing Solvent.
• Blast clean to a minimum of Sa 2½ Swedish Standard SIS 05 5900, surface profile not exceeding 35–40 microns.
• If blasting is not practical:
  • Use mechanical tools → manual chipping + wire brushing to remove loose rust & scale to St 2 Swedish Standard SIS 05 5900.
  • Avoid excessive burnishing of steel.
• Thoroughly dust all surfaces.
• Surface must be clean and dry before applying BP ROZC Primer.

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APPLICATION

Mix contents thoroughly before and during use.

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Brush Application

• Apply preferably without thinning.
• If required: add up to 5% Thinner 800 depending on conditions.

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Conventional Spray

• Add up to 10% Thinner 800.
• Use standard spray equipment at an atomising pressure of 4.2–4.9 kg/cm².

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TYPICAL PAINTING SPECIFICATIONS

(Page 2 table)

Surface	1st Coat	2nd Coat	3rd Coat	4th Coat
Steel	BP ROZC Primer	BP ROZC Primer	Aluminium Paint or Luxol HG Enamel or Torpedo Syn. Enamel	Aluminium Paint or Luxol HG Enamel or Torpedo Syn. Enamel
–do–	–do–	Bison HB MIO	–do–	–do–
Galvanised Iron & Aluminium	Degrease and abrade → Apply Bison Wash Primer, then follow any of the above systems

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NOTES

1. Do not apply when temperature falls below 10°C or rises above 50°C and when relative humidity exceeds 90%.
   Do not apply during rain, fog or mist.
2. Primed steel work should not be exposed with one coat for a long period.
   For long-term protection, one coat of Bison HB MIO or other top coats may be applied.

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HEALTH & SAFETY

Refer to the separate Safety Data Sheet available with detailed information.

 

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REFERENCES

Product Data Sheet – BP ROZC Primer IS:2074
Issued by Berger Paints India Ltd.
Data Sheet No.: 011/01
Issue Date: March 2004
Source: User-uploaded document

Technical Guidelines & Safety Information
Last accessed: 29 May 2025