Hydrocal White Gypsum Cement
USG Hydrocal® is a multi purpose gypsum cement that offers twice the compressive strength of regular plaster. Is more porous than Ultracal 30.
- Ideal for both solid and hollow castings
- Offers long workability; setting expansion twice that of molding plaster and pottery plaster
- Has a great value to performance ratio
- Achieves a stark, white color, making it ideal for accepting colorants
- Sets 25-35 minutes after machine mixing
- Requires 45 parts water by weight per 100 parts plaster.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Hydrocal White Gypsum Cement
Hydrocal White Gypsum Cement
USG Hydrocal® is a multi purpose gypsum cement that offers twice the compressive strength of regular plaster. Is more porous than Ultracal 30.
- Ideal for both solid and hollow castings
- Offers long workability; setting expansion twice that of molding plaster and pottery plaster
- Has a great value to performance ratio
- Achieves a stark, white color, making it ideal for accepting colorants
- Sets 25-35 minutes after machine mixing
- Requires 45 parts water by weight per 100 parts plaster.
Original: $4.50
-70%$4.50
$1.35Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
USG Hydrocal® is a multi purpose gypsum cement that offers twice the compressive strength of regular plaster. Is more porous than Ultracal 30.
- Ideal for both solid and hollow castings
- Offers long workability; setting expansion twice that of molding plaster and pottery plaster
- Has a great value to performance ratio
- Achieves a stark, white color, making it ideal for accepting colorants
- Sets 25-35 minutes after machine mixing
- Requires 45 parts water by weight per 100 parts plaster.






















