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Smoothon.com. Mold Max™. THey have different hardness to choose from. Tin cure, pretty decent life, cheap.
1 Gallon Unit is about $85. If you're not comfortable with the 10:1 mix, then try the following ...

Smooth-On just introduced an "Economy" grade Tin Cure silicone that is DIRT cheap. It's made for the purpose that you mentioned ... one off's ect. Good for probably 2 polyester pulls. Designed for rapid prototyping. Can't remember the name ... but if you give them a ring, they'll tell you, probably without you having to ask.

BUT, if there are that many undercuts, and it's 3 ft tall,you will want some elasticity and vertical brush-ability .. you should consider their Rebound™ product. Platinum cure (addition cure), offered in a 25 shore hardness, vertical abilities, ect, ect. A bit more expensive, but WORTH it. Easy 1:1 mix ratio. The problem is, you're mold will be around for a while

FP

<blockquote data-quote="fettpride" data-source="post: 78146" data-attributes="member: 80">Smoothon.com. Mold Max™. THey have different hardness to choose from. Tin cure, pretty decent life, cheap.1 Gallon Unit&nbsp; is about $85. If you&#039;re not comfortable with the 10:1 mix, then try the following ...Smooth-On just introduced an &quot;Economy&quot; grade Tin Cure silicone that is DIRT cheap. It&#039;s made for the purpose that you mentioned ... one off&#039;s ect. Good for probably 2 polyester pulls. Designed for rapid prototyping. Can&#039;t remember the name ... but if you give them a ring, they&#039;ll tell you, probably without you having to ask. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f606.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":lol:" title="Laugh&nbsp; &nbsp; :lol:"&nbsp; data-smilie="23"data-shortname=":lol:" />BUT, if there are that many undercuts, and it&#039;s 3 ft tall,you will want some elasticity and vertical brush-ability .. you should consider their Rebound™ product. Platinum cure (addition cure), offered in a 25 shore hardness, vertical abilities, ect, ect. A bit more expensive, but WORTH it. Easy 1:1 mix ratio. The problem is, you&#039;re mold will be around for a while <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f606.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":lol:" title="Laugh&nbsp; &nbsp; :lol:"&nbsp; data-smilie="23"data-shortname=":lol:" />FP</blockquote>

[QUOTE="fettpride, post: 78146, member: 80"] Smoothon.com. Mold Max™. THey have different hardness to choose from. Tin cure, pretty decent life, cheap. 1 Gallon Unit is about $85. If you're not comfortable with the 10:1 mix, then try the following ... Smooth-On just introduced an "Economy" grade Tin Cure silicone that is DIRT cheap. It's made for the purpose that you mentioned ... one off's ect. Good for probably 2 polyester pulls. Designed for rapid prototyping. Can't remember the name ... but if you give them a ring, they'll tell you, probably without you having to ask. :lol: BUT, if there are that many undercuts, and it's 3 ft tall,you will want some elasticity and vertical brush-ability .. you should consider their Rebound™ product. Platinum cure (addition cure), offered in a 25 shore hardness, vertical abilities, ect, ect. A bit more expensive, but WORTH it. Easy 1:1 mix ratio. The problem is, you're mold will be around for a while :lol: FP [/QUOTE]

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