HONG YE SILICONE Jewelry Molding Silicone Rubber is a high-performance High transparency mold silicone, specially designed for precision jewelry and gemstone mold manufacturing. As professional Mold Making Silicone and liquid silicone, it boasts excellent tear and tensile strength, supporting both room-temperature and heating curing modes. With ultra-low shrinkage, residue-free easy demolding, it ensures finished jewelry maintains perfect gloss and transparency, suitable for mass production of resin drills, imitation gems, rings and various wearable accessories. It helps global jewelry manufacturers enhance mold durability, improve product quality and reduce comprehensive production costs.
Product Overview
This specialized molding silicone rubber is tailored to meet the strict requirements of jewelry mold making, focusing on high transparency, precision detail replication and mold durability. We provide two series of products to fit different production needs: room temperature vulcanization (RTV 2 Silicone Rubber) models HY-635, HY-640, and heating temperature vulcanization models HY-MJ2135, HY-MJ2140. As a two-component flowable liquid silicone, it combines flexibility and toughness, effectively preventing mold tearing and cracking, while ensuring the finished jewelry has excellent gloss and refractive index, becoming a reliable partner for global jewelry mold makers.
Technical Specifications
Product type: High transparency Mold Silicone, mold making silicone, liquid silicone, RTV 2 Silicone Rubber; Models: HY-E635, HY-E640 (room temperature curing), HY-MJ2135, HY-MJ2140 (heating curing); Form: Two-component flowable liquid; Mixing ratio: 1:1 (weight ratio, customizable); Curing modes: Room temperature (25℃) or heating (80-120℃); Shrinkage rate: ≤0.1%; Transparency: High clear (visible internal details); Hardness: 35-40 Shore A (customizable 30-45 Shore A); Tear strength: ≥18 N/mm²; Tensile strength: ≥30 N/mm²; Demolding: Easy, no mucus, no residue; Temperature resistance: 100-220℃; Shelf life: 12 months (sealed, stored in dry & cool environment ≤25℃); Packaging: 1kg/jar, 5kg/20kg/25kg drum, vacuum packaging for bulk orders.
Product Images and Videos
Product images:
Product Features & Advantages
High transparency allows clear observation of internal molding details, ensuring precise replication of jewelry and gemstone textures. Excellent tear and tensile strength enhances mold durability, preventing edge tearing and cracking during repeated use. Dual curing options meet diverse production needs—room temperature curing for small-batch customization, heating curing for mass production efficiency. Superior high temperature resistance maintains mold stability, adapting to high-temperature casting processes. Finished jewelry has high gloss and refractive index, retaining transparent luster without blemishes. Ultra-low shrinkage ensures consistent jewelry size and shape, reducing defective rates. Residue-free easy demolding protects delicate jewelry surfaces, avoiding scratches and damage. Compared to peers, our silicone has better transparency retention and longer mold service life.
How to Use the Product
Step 2: Select the suitable model (room temperature/heating), weigh Part A and Part B at the recommended ratio, stir evenly for 2-3 minutes until fully integrated.
Step 3: Conduct vacuum defoaming for 1-2 minutes to eliminate air bubbles, ensuring mold transparency and smoothness.
Step 4: Slowly pour the mixed silicone into the jewelry prototype mold, ensuring full coverage of all fine details.
Step 5: Cure at 25℃ for 4-6 hours (room temperature) or 80-120℃ for 30-60 minutes (heating), then demold gently.
Step 6: Conduct a small test casting to verify mold precision and jewelry gloss before formal mass production.
Application Scenarios
Widely applied for mold making of various jewelry and accessories, including rings, necklaces, earrings, bracelets, resin drills, acrylic drills, PVC jewelry, imitation gems, water drills, flat bottom drills, three-dimensional resin drills, and imitation agate, amber, jadeite. Suitable for mass reproduction of imitation Swarovski drills, geometric resin drills, crack drills and anisotropic resin drills. Ideal for jewelry factories, resin drill manufacturers, custom jewelry workshops and accessory processing enterprises. It helps buyers improve product qualification rate by 20%+, extend mold service life, reduce mold replacement costs and shorten production cycles.
Certifications and Compliance
Complies with ISO 9001 quality management system and CE industrial standards, ensuring stable product quality. Non-toxic, odorless, and meets international safety standards for jewelry production, safe for direct contact with jewelry materials. All formulas conform to international chemical transportation and import regulations, facilitating smooth cross-border B2B bulk procurement and long-term supply cooperation.
Customization Options
Supports hardness customization (30-45 Shore A) to adapt to different jewelry sizes and delicate details. Provides transparency adjustment (high clear to semi-transparent) based on product requirements. Optimizes curing speed (adjustable 2-8 hours) to match production rhythms. Offers formula modification for enhanced tear strength or high temperature resistance. Customizes packaging specifications from small test jars (1kg) to industrial bulk drums (25kg/200kg) according to order volume.
Production Process
Adopts high-purity food grade Silicone raw materials (safe for jewelry contact), undergoes precise proportioning, closed-loop vacuum mixing (to maintain transparency and avoid bubbles), multi-index testing (transparency, tear strength, shrinkage rate, gloss retention), automatic filling and sealed packaging. Each batch undergoes strict quality inspection to ensure consistent performance, with mature production lines and sufficient inventory guaranteeing on-time delivery for small-batch tests and large-scale bulk orders.
FAQ
Q1: Can this silicone be used for small and delicate jewelry molds (e.g., tiny earrings)?
A1: Yes, its good fluidity and high precision can perfectly replicate tiny details of small jewelry.
Q2: Will long-term use affect mold transparency?
A2: No, it has excellent transparency retention, ensuring consistent performance after repeated use.
Q3: What’s the recommended curing time for mass production?
A3: Heating curing at 80-120℃ for 30-60 minutes is recommended to improve production efficiency.
Q4: Is it suitable for acrylic drill mold making?
A4: Yes, it is specially designed for acrylic drills, resin drills and other accessory molds, ensuring high gloss and precision.
Q5: How to store unused mixed silicone?
A5: Mixed silicone should be used within 30 minutes at 25℃; unused unmixed silicone should be sealed and stored in a cool, dry place.
Shenzhen Hong Ye Jie Technology Co., Ltd
Contact Now
