Mold Max XLS II

SKU: 799523

Size: Gallon Kit
Sale price$148.00

unit(s) in Stock.


unit(s) in Stock.


unit(s) in Stock.

* Price and availability may vary.
* If unit(s) in stock is 0, item is currently unavailable or special order.


Unit Size Net Weight
Gallon Kit 10.4 lb
Quart Kit 2 lb
Five Gallon Kit 52 lb



Mold Max XLS II (eXtra Low-Shrinkage) is a Shore 30A tin-catalyzed silicone rubber that exhibits very low long term shrinkage. Mix ratio is 100A:10B by weight. Pot life is 40 minutes and cure time is 24 hours at room temperature. Mold Max XLS II silicone will reproduce the finest detail and is suitable for a variety of industrial and art related applications including making production molds for casting concrete, reproducing prototypes, furniture, sculpture and architectural elements.
Technical Properties
Mix Ratio by Weight 100A:10B
Pot Life 40 minutes
Cure Time 24 hours
Color Blue
Shore Hardness 30A
Mixed Viscosity 30,000 cps
Shrinkage 0.001 in./in.
Specific Volume 22.7 cu. in./lb.
Specific Gravity 1.22g/cc
Useful Temperature (max)< 400¼F
Useful Temperature (min)< -65¼F
Tensile Strength 550 psi
100% Modulus 95 psi
Elongation @ Break 375%
Die B Tear Strength 110 pli


Mold Max XLS II can be thickened with Thivex additive for brush-on applications. Mold Max XLS II silicone can be used to cast a variety of materials including concrete, wax, gypsum, low melt alloys/metals and urethane, epoxy or polyester resins (without using a release agent).

Although not usually necessary, a release agent will make demolding easier when casting into or over most surfaces. Ease Release¨ 200 is a proven release agent for making molds with silicone rubber and for releasing new silicone from cured silicone.
Related Products

Payment & Security

Mastercard PayPal Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

You may also like