Product Overview
This low shrink high hardness Liquid Mold Silicone is two-component Industrial mold silicone rubber with standard 1:1 weight mixing ratio. High-hardness reinforced formula delivers rigid solid texture after curing, ultra-low shrinkage guarantees precise part dimensions, supporting dual curing modes. Widely applied to mechanical Prototype silicone , hardware accessory molds, rigid resin component casting, precision fixture molds and hard rapid prototyping with full customization support.
Technical Specifications
Curing Type: Platinum cured Addition Curing Silicone; Mix Ratio: 1:1 by weight; Working Time (25℃): 30-40 mins; Room Curing: 4-5 hrs; Heat Curing: 80-120℃ fast molding; Temp Resistance: -60℃~250℃; Shelf Life: 10 months sealed indoor storage; Certification: FDA Food Grade; Core Advantage: High rigid hardness, ultra-low shrinkage, dimension stable, full deep curing, anti-deformation.
Product Images and Videos
Reserve original media: low shrink high hardness liquid silicone , rigid precision mechanical parts, dimensional tolerance test display, vacuum defoaming operation video, rigid anti-deformation sealed packaging for hardware and machinery manufacturers.
Product Features & Advantages
High-hardness reinforced formula forms rigid solid molds, no bending deformation under heavy casting weight;
Ultra-low curing shrinkage rate, consistent original dimension for all precision rigid parts;
Moderate fluid liquid silicone fully fills complex mechanical groove and hole structures;
High tensile and compressive strength, resists indentation and abrasion during repeated use;
Superior rigid dimensional stability than soft ordinary industrial Mold Silicone rubber;
Customizable hardness grade, shrinkage rate and curing time for rigid precision component production.
Step-by-Step Operation Guide
Blend high hardness silicone A and B components evenly at 1:1 weight ratio for 2-3 minutes;
Complete vacuum defoaming for 2-5 minutes to prevent bubble-induced dimensional deviation;
Slowly pour liquid RTV mold silicone into rigid precision component molds;
Adopt stable curing process to minimize thermal shrinkage of rigid mold bodies;
Demold steadily after full curing to avoid artificial dimension distortion;
Seal leftover silicone and store indoors, avoid high-temperature softening aging.
Application Scenarios & Buyer Value
Perfect for rigid precision part casting, mechanical hardware molds, fixture prototype silicone, industrial rigid resin components and precision rapid prototyping silicone. This low shrink high hardness silicone eliminates dimensional tolerance defects, reduces precision part rework rate, improves product assembly matching accuracy and helps machinery factories pass strict precision inspection standards.
Certifications and Compliance
This rigid low-shrink silicone holds FDA safety and ISO precision manufacturing certifications, complies with international RTV 2 silicone rubber tolerance standards, meeting cross-border mechanical precision mold material requirements.
Customization Options
We support hardness grade, shrinkage control and viscosity customization, supplying high-rigidity low-shrink formulas for High transparency mold silicone and precision mechanical casting projects.
Production Process
Low-shrink rigid silicone raw material purification → high-hardness filler blending → stable crosslink synthesis → dimensional shrinkage testing → precision calibration → vacuum sealed packaging.
FAQ
Q1: Will high hardness cause mold brittleness and easy breakage?
A1: Balanced rigid-tough formula avoids brittleness while maintaining high surface hardness.
Q2: Can it meet micron-level dimensional tolerance for precision hardware?
A2: Near-zero shrinkage ensures consistent dimension for high-precision mechanical parts.
Q3: Suitable for thick heavy rigid fixture molds?
A3: Unlimited deep curing maintains uniform hardness and low shrinkage for thick molds.
Q4: Can upgrade hardness for ultra-rigid industrial fixture molds?
A4: Extra high-hardness customized formulas are available.
Q5: How to store raw silicone to retain low-shrink rigid performance?
A5: Sealed shaded indoor storage within 10-month shelf life.