Silicone Rubber 1:1 Mould Maker Translucent 4L kit, two 2L bottles with handles showing Part A and Part B platinum cure silicone
Translucent silicone mould tray cast from Silicone Rubber 1:1 Mould Maker, showing gear-shaped cavity impressions and cast gears
Hands flexing a cured translucent Silicone Rubber 1:1 Mould Maker piece, demonstrating its flexibility
Peeling a translucent silicone mould away from a detailed lion head master model, with a cast copy underneath

Silicone Rubber 1:1 Mould Maker | Translucent | 4L Kit

$179.00

or 4 payments of $44.75 with Afterpay Info

Add to Wishlist

american expressapple paymasterpaypalvisaafterpay

Silicone Rubber 1:1 Mould Maker | Translucent | 4L Kit

A translucent, platinum cure (addition-cure) silicone rubber that mixes 1:1 by volume and reproduces the finest surface detail with very low shrinkage. Its softer 20A Shore hardness makes it extra flexible for demoulding delicate, intricate designs, and being platinum cured, it's food grade and skin-safe — ideal for impression moulds, masks, soap and candle moulds, and jewellery or prototype parts cast in conjunction with Solid Cast 660 Polyurethane.

Kit Includes

1 x 2L Part A Bottle 1 x 2L Part B Bottle

Product Details

Kit Size
4L (2L + 2L)
Mix Ratio
1:1 by volume
Pot Life
20 – 30 minutes @ 25°C
Cure Time
2 – 3 hours @ 25°C
Shore Hardness
20A
Coverage
~4 sq mtr @ 1mm depth
Temperature Resistance
Up to 220°C

Key Features

Platinum cure silicone Translucent finish Extra flexible (20A) Food grade & skin-safe Low shrinkage Long mould life

Common Uses

Impression moulds Masks Soap moulds Candle moulds Jewellery & prototype parts Fine detail casting

How to Use

1
Measure equal parts of Part A and Part B by volume — for example, 1L Part A to 1L Part B.
2
Mix thoroughly in a straight-sided, flat-bottomed container with a flat ruler-shaped mixing stick, scraping the sides and base of the container.
3
Pour over your master model within the pot life window (20 – 30 minutes @ 25°C).
4
Demould in around 2 to 4 hours @ 25°C. For large casting moulds, leave to set for at least 12 hours before demoulding.

Why Platinum Cure?

Platinum cure silicones use an addition-cure chemistry (catalysed by platinum) rather than the tin-based condensation cure found in cheaper rubbers. That means very low ongoing shrinkage, so fine detail stays accurate over the life of the mould, and a much longer library life — platinum cure moulds can be reused for years, compared to roughly 12 months for a typical tin-cure rubber. It's also FDA-compliant for food and skin contact, which is why it's suited to soap and candle moulds as well as life-casting work. One thing to note: platinum cure silicone won't cure properly against sulfur-based clays (such as sulfur-cure plasticine) — seal a sulfur-based model with an acrylic spray first, or use a sulfur-free modelling clay.

Storage & Safety

Wear protective gloves and glasses when mixing and using. Uncured material can be removed with a solvent or methylated spirit followed by washing with warm soapy water. Always wear a mask when using any solvent cleaner.

Frequently Asked Questions

What is platinum cure silicone, and why does it matter?+
Platinum cure silicone uses an addition-cure reaction catalysed by platinum, giving very low shrinkage, a much longer mould life than tin-cure rubbers, and FDA-compliant food and skin safety.
What's in this kit and what's the mixing ratio?+
This 4L kit contains 2L Part A and 2L Part B, mixed 1:1 by volume.
How is the Translucent version different from the standard silicone?+
This Translucent kit has a softer 20A Shore hardness, giving extra flexibility for demoulding delicate, intricate designs. The standard pink Silicone Rubber 1:1 kits use a firmer 30A hardness, better suited to larger, more solid casting work.
How long does it take to cure and demould?+
Pot life is 20 – 30 minutes at 25°C, it cures in around 2 to 3 hours, and pieces can typically be demoulded within 2 to 4 hours at 25°C.
Is it safe for food or skin-contact moulds?+
Yes. Being platinum cured, it's food grade and non-toxic once fully cured, making it suitable for soap and candle moulds and life-casting work. Avoid sulfur-based modelling clays for the master, as sulfur can prevent platinum silicone from curing.
Ask a Question
Reviews

Customer Reviews

Based on 7 reviews
86%
(6)
14%
(1)
0%
(0)
0%
(0)
0%
(0)
d
david ford
Vauxhall components

Very easy to use

M
Maree Johnson
You have time

I usually get fast set. This time I got the slower set. I create work takes time to place each in the silicone. I have time to get it right. Sets beautifully. Very few bubbles and great texture.

B
Bill Freeman
Silicone Rubber 1:1 Mould Maker

Best mold maker i have used and after trying others i will only use Solid solutions for my silicone rubber and resin.

A
Albert Boga
Translucent Silicone Rubber.

I've never used this type of silicone before. However, it was easy to apply and worked great. I would like to try soon some of the clear resin that is available as well.

R
Richard J Winters
Extremely cheap, but extremely good

So, having used a full third of my pack i have the following impressions.
1) holds detail very well.
2) mixes extremely well. Degasses extremely fast.
3) Is quite thin. Good for undercuts. Poor for staying in my molding blocks. I'm experiencing about 15-20% wastage as opposed to 10% with my previous brand. More than made up for by the 50% reduction in price
4) takes quite a while longer to harden than the brand i'm used to. This can be useful, but is also a bit tricky to use when, for example potting electronic components. I need to work with it more to find out appropriate limits here
5) Unfortunatly, does react pretty vigiourously to the oil clay i like to fashion my vents from. Combined with the slower demoulding time, this reaction (which produces a slight stickiness) can mean that moulds need a full 24 hours cure time. Possibly fixed with a different type .of clay, although finding good clay is a real pain in the asset at the moment. Something to keep in mind when considering new products perhaps?

C
Catrinna Soler
2 to 1 mold maker

Excellent product

12