Liquid Silicone Rubber Supplier in India
Authorized Dongjue Silicone Importer & Distributor
Gaurav Impex is an authorized importer and distributor of Dongjue Liquid Silicone Rubber (LSR) in India. We supply a wide portfolio of two-component platinum-cured LSR grades designed for injection molding, coating, medical, food, and specialty industrial applications.
Our LSR grades are engineered for precision molding, consistent curing, and long-term mechanical stability.
About Dongjue Liquid Silicone Rubber
Dongjue LSR systems are two-component materials (1:1 mixing ratio in most grades) designed for controlled curing and high production efficiency.
Common performance advantages include:
Excellent fluidity for injection molding
Low shrinkage (less than 0.1% in addition systems)
Rapid thermal curing (typically 125°C × 10 min)
High temperature resistance (up to 250°C long term for mold grades)
Stable mechanical strength
Strong tear resistance
Electrical insulation properties
Compliance with FDA, BfR and ROHS for selected grades
Our Liquid Silicone Rubber Portfolio
Below is a structured overview of the Dongjue LSR categories from the technical catalog
Addition Type Mold Making LSR (DJ-2100 Series)
Designed for mold manufacturing and casting applications.
Key Features
Two-component addition cure system
Extremely low shrinkage (<0.1%)
Excellent heat resistance (up to 250°C)
Food grade, non-toxic
Easy pouring and processing
Applications
Industrial molds
Chocolate molds
Precision casting molds
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (mPa·s) |
|---|---|---|---|---|---|---|
| DJ-2100 | Translucent | Shore C 0–12 | 3 | 700 | 15 | 4000–6000 |
| DJ-2105 | Translucent | 5 | 4 | 500 | 15 | 4000–6000 |
| DJ-2110 | Translucent | 10 | 4.5 | 500 | 20 | 4000–6000 |
| DJ-2115 | Translucent | 15 | 5 | 500 | 25 | 4000–6000 |
| DJ-2120 | Translucent | 20 | 6 | 450 | 30 | 4000–6000 |
Condensation Type Mold LSR (DJ-3115 / DJ-3120)
Room temperature curing mold silicone.
Key Features
Two-component condensation cure
Good liquidity
Easy room-temperature operation
Stable mechanical performance
Applications
Tire molds
General mold fabrication
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (mPa·s) |
|---|---|---|---|---|---|---|
| DJ-3115 | White | 15 | 3.0 | 400 | 15 | 8000–12000 |
| DJ-3120 | White | 18 | 3.5 | 350 | 15 | 8000–12000 |
Skin-Safe Liquid Silicone Rubber (DJ-2200 Series)
Soft, flexible silicone with enhanced comfort and durability
Key Features
Low shrinkage
Excellent electrical and chemical stability
Acid and alkali resistance
Aging resistance
High temperature performance
Applications
Flexible silicone products
Soft molded components
Cushioning applications
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (mPa·s) |
|---|---|---|---|---|---|---|
| DJ-2200 | Translucent | Shore C 0–12 | 3.0 | 700 | 15 | 4000–6000 |
| DJ-2220 | Translucent | 20 | 5.0 | 500 | 25 | 4000–8000 |
| DJ-2230 | Translucent | 30 | 6.0 | 450 | 25 | 4000–8000 |
| DJ-2240 | Translucent | 40 | 6.0 | 400 | 18 | 4000–8000 |
Electronic Button LSR (DJ-2340)
Specialized grade for electronic keypads and molded components
Key Features
Excellent mold release
Good transparency
High efficiency molding
Electrical insulation
ROHS compliant
Applications
Keyboard covers
Electronic keys
Sealing components
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity |
|---|---|---|---|---|---|---|
| DJ-2340 | Transparent | 40 | 5 | 350 | 15 | 70000 |
Food Grade Injection Molding LSR (DJ-2321 to DJ-2371)
Key Features
Two-component 1:1 mixing
Rapid thermal curing
Excellent mechanical strength
Compliant with BfR, FDA, ROHS
Applications
Baby care products
Food contact components
Gasket rings
Injection molded parts
Hardness range: Shore A 20 to 70.
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (Pa·s) |
|---|---|---|---|---|---|---|
| DJ-2321 | Transparent | 20 | 6 | 700 | 20 | 200 |
| DJ-2331 | Transparent | 30 | 7 | 600 | 25 | 200 |
| DJ-2341 | Transparent | 40 | 8 | 550 | 30 | 220 |
| DJ-2351 | Transparent | 50 | 10 | 500 | 35 | 250 |
| DJ-2361 | Transparent | 60 | 9 | 400 | 35 | 350 |
| DJ-2371 | Transparent | 70 | 9 | 350 | 32 | 350 |
Non-Post Cure Injection LSR (DJ-2321M to DJ-2371M)
Designed to eliminate post curing operations
Key Features
VOC less than 0.4%
Rapid thermal curing
1:1 mixing ratio
Food grade compliance
Applications
Food contact products
Consumer molded components
Technical Specifications
| Model | Appearance | Hardness (Shore A) | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (Pa·s) |
|---|---|---|---|---|---|---|
| DJ-2321M | Transparent | 25 | 6 | 650 | 20 | 200 |
| DJ-2331M | Transparent | 30 | 7 | 600 | 25 | 200 |
| DJ-2341M | Transparent | 40 | 8 | 550 | 30 | 220 |
| DJ-2351M | Transparent | 50 | 10 | 500 | 35 | 250 |
| DJ-2361M | Transparent | 60 | 9 | 400 | 35 | 350 |
| DJ-2371M | Transparent | 70 | 9 | 350 | 32 | 350 |
Medical Grade Injection LSR (DJ-2441 to DJ-2471)
Medical-compliant silicone rubber systems
Key Features
Excellent biocompatibility
Conforms to USP Class VI
Conforms to ISO 10993
Rapid curing
Stable mechanical properties
Applications
Medical devices
Catheters
Negative pressure bulbs
Healthcare components
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (Pa·s) |
|---|---|---|---|---|---|---|
| DJ-2441 | Transparent | 40 | 8 | 550 | 30 | 300 |
| DJ-2451 | Transparent | 50 | 10 | 500 | 40 | 300 |
| DJ-2461 | Transparent | 60 | 9 | 400 | 35 | 350 |
| DJ-2471 | Transparent | 70 | 9 | 350 | 32 | 350 |
Selective Self-Adhesive LSR (DJ-2531 to DJ-2571)
Designed for bonding to PC and specific substrates
Key Features
Excellent self-adhesion to PC
Rapid thermal curing
Strong mechanical properties
Applications
Smartwatch rear cover seals
Mobile phone protective shells
Precision sealing rings
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity |
|---|---|---|---|---|---|---|
| DJ-2531 | Transparent | 30 | 6 | 550 | 25 | 220 |
| DJ-2541 | Transparent | 40 | 8 | 500 | 30 | 250 |
| DJ-2551 | Transparent | 50 | 10 | 450 | 30 | 300 |
| DJ-2561 | Transparent | 60 | 9 | 400 | 32 | 350 |
| DJ-2571 | Transparent | 70 | 9 | 300 | 30 | 380 |
Fire Protection Coating LSR (DJ-1251 / DJ-1261)
High-performance silicone for flame retardant textile coating
Key Features
High molding efficiency
Adhesion to glass fiber and aramid fiber
Flame retardant performance
Applications
Fireproof cloth coating
Scraping and dip coating systems
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (mPa·s) |
|---|---|---|---|---|---|---|
| DJ-1251 | White | 50 | 5 | 400 | 15 | 60000 |
| DJ-1261 | White | 50 | 5 | 400 | 15 | 50000 |
Airbag Coating LSR (DJ-1311 / DJ-1341)
Specialized coating silicone for automotive safety applications
Key Features
Excellent adhesion to nylon 66
Low viscosity for automatic feeding
Long workable pot life
Rapid thermal curing
Applications
Airbag coating
Protective textile coating
3C product sealing
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (mPa·s) |
|---|---|---|---|---|---|---|
| DJ-1311 | Transparent | 9 | 5 | 1250 | 12 | 100000 |
| DJ-1341 | Transparent | 40 | 5.5 | 350 | 10 | 30000 |
Food Coating LSR (DJ-1441 Series)
Specialized silicone for food-contact surface coating
Key Features
Excellent mobility
Good adhesion to substrate
Food grade compliance
Stable mechanical properties
Applications
Baking mats
Dough pads
Steaming pads
Silicone bakeware
Technical Specifications
| Model | Appearance | Hardness | Tensile Strength (MPa) | Elongation (%) | Tear Strength (kN/m) | Viscosity (mPa·s) |
|---|---|---|---|---|---|---|
| DJ-1441L | Transparent | 40 | 6 | 300 | 10 | 60000 |
| DJ-1441 | Transparent | 40 | 7 | 300 | 15 | 90000 |
| DJ-1441H | Transparent | 40 | 5 | 350 | 15 | 100000 |
Silicone Liquid Price in India
The price of Liquid Silicone Rubber depends on:
Grade category
Hardness range
Application type
Quantity
Import batch availability
For this reason, silicone liquid prices are shared on request only.
Why Choose Gaurav Impex
Authorized Dongjue Silicone importer and distributor in India
Wide portfolio of LSR grades
Focused on B2B and bulk supply
Technical documentation support
Pan India delivery coordinated from Mumbai
Reliable sourcing and transparent communication
We help manufacturers select the correct grade for their application without unnecessary delays.
Frequently Asked Questions
Yes. Medical grades compliant with USP Class VI and ISO 10993 are available
Yes. FDA and BfR compliant grades are available
Yes. Non-post cure grades with low VOC properties are available
Yes. We support pan India delivery for industrial buyers.