Castaldo

Castaldo Quick-Sil Soft & Flexible Two Part RTV Silicone Putty Mold Rubber-1 Kg (2.2 Lbs.) Kit

Name: Castaldo Quick-Sil Soft & Flexible Two Part RTV Silicone Putty Mold Rubber-1 Kg (2.2 Lbs.) Kit
Brand: Castaldo
SKU: 122.6135SOFT
Price: 139.0 USD
Availability: InStock

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Part # 122.6135SOFT 16 In Stock Weight <0.1 lb / <5 g

$139.00

Quantity

Availability Sold out

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Description

Castaldo Quick-Sil Soft & Flexible is a two-part room temperature vulcanizing (RTV) silicone putty that produces tough, strong, long-lasting production jewelry molds for lost wax casting with 0% shrinkage. This is the newer, softer version of Castaldo's popular Quick-Sil RTV Mold Rubber — softer in relation to the original formula, which is now designated as Firm & Flexible (see part number 122.613).

Safe, non-hazardous, and non-toxic, Castaldo Quick-Sil Soft & Flexible produces no unpleasant fumes or odors during use. Mixing is straightforward: combine equal parts of Part A and Part B by hand. No precise measuring or vacuum degassing is required to achieve optimum results. No vulcanizing is needed, though best results are obtained when the material is clamped under pressure — such as in a vise or an unheated mold press. Detailed instructions are included with every kit.

While designed primarily for lost wax casting molds, Castaldo Quick-Sil Soft & Flexible can also be used for direct casting of low-temperature metals such as lead, tin, and pewter.

Intended for professional use only by persons familiar with jewelry casting techniques.

Features

Two-part RTV silicone putty — no heat or vulcanizing required
0% shrinkage for accurate, repeatable production molds
Softer, more flexible formula compared to the original Quick-Sil (Firm & Flexible)
Mix equal parts by hand — no precise measurement or vacuum degassing needed
Safe, non-hazardous, and non-toxic with no fumes or odors
Suitable for lost wax casting molds and direct casting of low-temperature metals
Best results achieved when clamped under pressure during cure
Includes detailed instructions for use

Specifications

Type	Two-Part RTV Silicone Molding Putty
Formula	Soft & Flexible (newer version)
Mixing Ratio	Equal parts Part A and Part B
Work Time	1–2 minutes
Cure Time	Approximately 15 minutes
Shrinkage	0%
Kit Weight	1 kg (2.2 lbs.)
Hazard Status	Non-hazardous, non-toxic
Use Level	Professional use only