Challenge 300CR

Synthetic Coolant for Plastic and Glass Lenses

CHALLENGE 300-CR is a synthetic formulation developed to optimize removal rate and surface finish in generating or edging processes involving plastic (CR39, high-index, polycarbonate) and glass opthalmic lenses. This versatile usage produces significant cost savings. The product’s exceptional heat transfer characteristics also ensure prolonged diamond life. 300-CR provides rapid settling and is compatible with all filtration systems. Benefits: • Versatile – for both plastic and glass lenses • Better surface finishes • Faster removal rates • Problem-free filtration with all systems • Extended diamond life • Operator acceptance

Challenge 300CR Details

Base Material:

Water

Shelf Life:

24 Months

Packaging:

Product is available in 5-gallon pails and 55-gallon drums.

Applications:

Ceramic, Fused Silica, Glass, Poly Carbonate lens

Similar Products

Challenge 310-HT Challenge 300-HT Challenge 400HT
Base Material Water Water Water
pH 8.0 9.8 12.3
Specific Gravity 1.03 1.03 1.02
Color Blue Blue None
Category - Grinding and Slicing

Handling Instructions

CHALLENGE 300-CR is designed for use at economical dilution ratios and is equally effective in hard and soft water. Maintaining dilution ratios with a hand-held refractometer is recommended. A pH meter is also useful. Develop production-specific scales by obtaining accurately measured samples of a properly diluted mixture that corresponds to use. Maintain a higher concentration for recirculating, filtered coolant systems.

Storage

Product should be stored in a temperature controlled environment. Prolonged exposure to temperatures at or below 32° Fahrenheit (0°C) is discouraged. Prolonged exposure to temperatures at or above 100° Fahrenheit (38°C) is also discouraged. In addition, material should always be sealed when not in use to prevent evaporation.

Disposal

Dispose of in accordance with all applicable local regulations.

Contact Information

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