Phosphate Bonded Whip Mix
X-20 Chrome Investment

$58.65

15kg (33lb)

SKU: WHI 330205 Category: Tag:

Description

A vastly improved casting investment for making chrome partial denture frameworks.

  • For casting any chrome partial alloy
  • Refractory Cast is hard, strong and smooth
  • No danger of breakage or abrasion
  • Fits master models like gold castings
  • Sets fast — no tamping required
  • Controlled expansion with Special Liquid Concentrate
  • May be used without metal ring

Mixes easily and produces a cast of unusual smoothness and strength. May be used with any good duplicating material intended for chrome investments. A Special Liquid Concentrate is furnished for pouring the ‘working cast.’ A 1 to 1 dilution with water gives controlled expansion for most alloys. If more expansion is desired, dilute with less water such as 2 parts liquid to 1 water. Water only is used in mixing the investment for the outer mold or ,ring. Castings are usually made with burn-outs between 730 degrees C and 1,000 degrees C (1,350 degrees F and 1,800 degrees F) although X-20 may be heated to 1,100 degrees C (2,000 degrees F) if required.

*Suggested concentration of Special Liquid Concentrate is 50% (1 part liquid to 1 part water).

Physical Properties

Liquid/Powder Ratio
11ml/100g (Investing Outer Mold: 13 ml/100g)

Working Time
4-5 minutes (Investing Outer Mold: 5-6 minutes)

Setting Expansion
0.20%

Thermal Expansion (700° – 1,000° C)
0.90% (Investing Outer Mold: 1.00%)

Compressive Strength (Wet)
2,500 psi / 17 MPa (Investing Outer Mold: 1,859 psi / 13MPa)

Ready for Separating
60 minutes (Investing Outer Mold: N/A)

Ready for Burnout
N/A (Investing Outer Mold: 2-hours)