Product Description: Starocrete 1000 Scratch Coat is a specially developed, selfpriming PU-Concrete flooring based on waterborne polyurethane and concrete technology, recommended as scratch coat for all of Starocrete flooring systems. Staroscratch is a four component pre-weighed system comprising of resin, hardener, colour pack and reactive aggregates which on uniform mixing form a well adhered layer on concrete floors. It is usually applied in 1 mm thickness.

Uses:
It is applied to a well prepared concrete substrate before Starocrete topcoat is laid. It forms a very strong bond with concrete and being a thicker coating, it reduces the porosity of the concrete slabs, thereby eliminating blisters due to the displaced air from the concrete.

Features :
• Zero VOC
• Fast curing
• Excellent adhesion
• Thicker film
• Water borne

Technical Data :
•Type :PU concrete
•Mixing ratio(R:H): Pre-weighed kit
•Finish :Matt finish
•Colour Limited shade
•Pot life ASTM D 2471: 8-12 min
•Volume solids ASTM D 2697: ≥ 98%
•Recommended DFT ASTM D 1186 :1000 microns
Drying time ASTM D 1640
Surface dry : 20-30 min
Tack free dry : 1-2 hrs
Hard dry : 24 hrs
Theoretical coverage 10 sq mt per set @ 1 mm thickness
Shelf life 12months in the unopened container

Direction to use
Ensure that Clean, Dry and Sound test is conducted on the concrete. Surface preparation like grinding or shot blasting is done to achieve a surface profile of 150-200 microns. Staroscratch 1000 is a priming screed which contains resin, hardener, colour and aggregates. To a mixing bowl, unpack all the contents of the pack and start agitation for a minute, Apply the screed as scratch coat to a thickness of 1mm by a notched trowel. The standard kit will cover an area of 10 sqm @1mm thickness.

Note: Staroscratch 1000 has a very short pot life and hence mixing, laying and de-aeration should be done very swiftly. Application should be avoided when the temperature is very high. Do not store materials under direct sunlight or in open areas.

Packaging Available in pre-weighed kits containing resin, hardener and reactive aggregates. It has a maximum shelf life of 12 months in the unopened containers.

Storage & Shelf Life :
● Stored unopened in dry conditions under covered space ● Shelf life will be 9 months in unopened condition

Handling & Safety :
Observe reasonable care and employ ordinary hygienic principles such as washing the hands with soap and water before eating or smoking. It is recommended to wear gloves, goggles and nose masks while application. Incase of splashes on the skin, dampen the cloth with thinner and wipe the hands with the cloth. Incase of contact with eyes, rinse with plenty of water and seek medical advice. Incase of continuous exposure to vapour, the applicator should be immediately moved to get fresh air Wash then with soap and water. Dried film is non toxic .

Download to Safety Data Sheet