Low shrink silicone for accurate prototype crafting

Low shrink silicone for accurate prototype crafting

Name: Addition curing silicone18
Uploaded: 2026-03-13T05:53:57+08:00
Description: HONGYE SILICONE low shrink silicone is premium platinum cured mold silicone dedicated to accurate prototype crafting.

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Payment Type:	T/T,Paypal
Incoterm:	FOB,Express Delivery,CIF,EXW,DDP
Min. Order:	10 Kilogram
Transportation:	Ocean,Land,Air,Express
Port:	SHENZHEN

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Product Description

Product Attributes

Packaging & Delivery

Product Description

Product Attributes

Model No.: E650

Brand: HONGYE SILICONE

Origin: HUIZHOU

Certification: 9001

Packaging & Delivery

Selling Units	:	Kilogram
Package Type	:	1/5/20/25/200KG
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Addition curing silicone18

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Product Description

HONGYE SILICONE low shrink silicone is premium Platinum cured mold silicone dedicated to accurate prototype crafting. This low-distortion addition curing RTV 2 Silicone Rubber adopts high-purity Silicone raw materials with optimized formula. It outperforms traditional Condensation Curing Silicone Mold Rubber, serving as high-precision Mold Making Silicone and Rapid prototyping silicone to deliver zero-error prototype replication for industrial and craft manufacturing.

Product Overview

This low shrink Liquid Mold Silicone is a two-component Industrial mold silicone rubber with a standard 1:1 A/B weight mixing ratio. Professionally optimized for accurate prototype crafting, it features ultra-low shrinkage, full deep curing and stable dimensional stability. Supporting dual room-temperature and heating curing, it is widely applied in Prototype silicone , Toy mold silicone , high-precision hand plate models, resin crafts and intricate rapid prototyping projects with customizable parameters.

Technical Specifications

Curing Type: Platinum cured Addition Curing Silicone;

Mix Ratio: 1:1 by weight;

Working Time (25℃): 30-40 minutes;

Room Curing: 4-5 hours;

Heating Curing: 80-120℃ fast precision molding;

Temperature Resistance: -60℃~250℃;

Shelf Life: 10 months sealed indoor storage;

Certification: FDA Food Grade;

Core Advantage: Ultra-low shrinkage, 100% dimensional accuracy, unlimited deep curing.

Product Images and Videos

Reserve original media resources: low shrink liquid silicone , high-precision prototype crafts, tiny detail replication close-up, vacuum defoaming operation video and precision-grade sealed packaging for global prototype manufacturers.

Product Features & Advantages

1. Ultra-low shrinkage formula ensures precise 1:1 replication for accurate prototype crafting without deformation;

2. Full deep curing without thickness limit, maintaining consistent precision for thick and complex prototypes;

3. FDA-certified food-grade Mold Silicone , non-toxic and odorless for multi-scene prototype production;

4. Superior fluidity liquid silicone for seamless filling of micro prototype textures and intricate details;

5. High tensile and anti-tear strength with long service life and repeated high-precision demolding;

6. Far lower distortion rate than ordinary industrial mold silicone rubber;

7. Customizable curing time, color and hardness for personalized precision prototype projects.

Step-by-Step Operation Guide

1. Mix low shrink silicone A and B components evenly at 1:1 weight ratio for 2-3 minutes;

2. Conduct 2-5 minutes vacuum defoaming to eliminate bubbles that cause prototype dimensional errors;

3. Slowly pour liquid RTV mold silicone into precision prototype molds steadily;

4. Select room temperature curing or constant-temperature heating curing as required;

5. Demold gently after full curing to obtain high-accuracy prototype products;

6. Seal residual silicone and store indoors away from sunlight and rain erosion.

Application Scenarios & Buyer Value

Ideal for accurate prototype crafting, rapid prototyping silicone, precision toy mold silicone and delicate craft model making. This low shrink silicone eliminates prototype dimensional deviation and defective products, reduces material rework costs, improves prototype qualification rate, and enhances manufacturers’ competitiveness in high-precision prototype markets.

Certifications and Compliance

This high-precision low-shrinkage silicone passes FDA food grade certification and ISO quality certification, complying with international RTV 2 silicone rubber precision manufacturing standards, meeting global cross-border accurate prototype material specifications.

Customization Options

We support exclusive customization of shrinkage rate, hardness, viscosity and curing cycle, providing targeted formulas for High transparency mold silicone and ultra-precision prototype crafting demands.

Production Process

High-purity silicone raw material screening → low-shrinkage precision formula compounding → constant temperature synthesis → dimensional stability testing → strict precision quality inspection → vacuum sealed packaging, ensuring stable low-shrinkage performance for accurate prototype crafting.

FAQ

Q1: Will thick prototype curing cause shrinkage deformation?

A1: Full deep curing ensures zero shrinkage regardless of mold thickness.

Q2: Is it suitable for ultra-fine intricate prototype details?

A2: High fluidity fully restores every tiny detail accurately.

Q3: What is the dimensional error rate of this silicone?

A3: Ultra-low shrinkage achieves industry-leading high precision.

Q4: Can customize shrinkage parameters for special prototypes?

A4: Professional precision customization is available.

Q5: What is the sealed shelf life?

A5: 10 months under dry, sealed indoor storage.

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