Polygard Purple Si-OAT Antifreeze Concentrate provides advanced cooling system protection through Silicated Organic Acid Technology. The purple coolant formulation helps protect radiators, engine blocks and cooling system components against corrosion and frost damage.
When mixed at a 50:50 ratio with water, it provides freeze protection down to -37°C.
Key Features
- Purple Si-OAT antifreeze concentrate
- Freeze protection to -37°C (50:50 dilution)
- Long-life corrosion inhibitors
- Suitable for modern cooling systems
- 1 litre bottle
Why Buy from Miswa Chemicals?
At Miswa Chemicals, we combine quality manufacturing with exceptional customer service to deliver products you can trust.
✅ UK-based manufacturer and supplier
✅ Consistent product quality and performance
✅ Competitive pricing across our product range
✅ Trusted by workshops, fleet operators and trade customers
✅ Fast and reliable UK distribution
✅ Technical expertise and product support
✅ Extensive range of automotive and industrial fluids
When you choose Miswa Chemicals, you're choosing a supplier committed to quality, reliability and customer satisfaction.
Meets requirements
- VW G12++
- MAN 248 Si-OAT
- MB 325.5 & 325.6
- 2EHA Free
Meets specifications
- BS 6580:2010 (UK)
- AFNOR NF R15-601 (France)
- AS 2108 (Australia)
- ASTM D3306 (USA)
- ASTM D4985 (USA)
- CUNA NC 956-16 (Italy)
- FVV Heft R443 (Germany)
- SAE J1034 (USA)
- UNE 26361-88 (Spain)
