foam silicone rubber 18

5 month ago

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Shenzhen Hong Ye Jie Technology Co., Ltd

 8 month year

Product details

Hong Ye HY-E620 is a high-performance addition-curing (platinum-catalyzed) liquid silicone rubber specifically engineered for precision mold making. With near-zero shrinkage (≤0.1%), exceptional tear strength (≥20 kN/m), and FDA food-grade compliance, it delivers dimensional accuracy and long mold life across a wide range of casting applications. The translucent formulation allows visual inspection of bubble entrapment during pouring, ensuring flawless mold quality.

Key Features

Near-Zero Shrinkage — ≤0.1% shrinkage guarantees precise dimensional replication, ideal for high-volume standardized production
High Tear Strength — ≥20 kN/m extends mold service life and reduces per-unit production cost
Platinum Catalysis — odorless, non-toxic, FDA food-contact certified, safe and eco-friendly
Wide Temperature Range — stable performance from -60°C to 200°C, adaptable to diverse production environments
Excellent Flowability — 16,000–20,000 cps viscosity with self-leveling behavior captures fine surface details
Chemical Resistance — compatible with polyurethane, epoxy resin, cement, gypsum, and wax without reaction
Flexible Mix Ratio — supports both 1:1 and 10:1 (Part A:B by weight) to suit different process needs

Technical Specifications

表格

Property	Test Standard	Value
Appearance	Visual	Translucent
Hardness	GB/T 531	20 Shore A
Viscosity	GB/T 10247	16,000–20,000 cps
Tear Strength	GB/T 529	≥20 kN/m
Tensile Strength	GB/T 528	≥5.0 MPa
Elongation at Break	GB/T 528	≥400%
Shrinkage	Enterprise Standard	≤0.1%
Temperature Range	—	-60°C ~ 200°C
Mix Ratio	—	1:1 or 10:1 (by weight)
Pot Life (25°C)	—	45–60 minutes
Cure Time (25°C)	—	4–6 hours (accelerate at 60°C for 2 hrs)

Applications

Resin crafts & polyurethane product casting molds
GRC / cement architectural decoration molds
Food-grade baking, chocolate & candy molds
Rapid prototyping (Vacuum Casting) molds
Precision investment casting wax patterns
Model toy & miniature replication molds
Candle, soap, and artisan craft molds

Certifications

ISO 9001:2008 · FDA · REACH · RoHS · UL · CE

Packaging & Shipping

Packaging: 1 kg/bottle, 5 kg/pail, 20 kg/drum, 25 kg/drum
Shelf Life: 12 months in original sealed packaging, store in cool dry place
Transport: Non-hazardous material, standard global freight
MOQ: 2 kg (sample and trial orders supported)

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Shenzhen Hong Ye Jie Technology Co., Ltd

 Audited supplier

8 month

Address: Shenzhen, China

Main Product: Liquid silicone rubber, Silicone raw materials, Electronic Potting Compound , Human Body Silicone, Tin cure silicone rubber, Platinum silicone rubber

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