As a professional factory focusing on silicone molds and products, we center on Hot Compression Molding and Liquid Silicone Rubber (LSR) Molding . We offer one-stop "mold development + mass production" services for consumer electronics, automotive, medical, and industrial sealing sectors, solving customization challenges for complex, high-precision, small-to-medium batch silicone products. We have served over 35 enterprises with quality deliveries.
Common materials and applications
Material
Type
Key Properties
Typical
Applications
General-Purpose Silicone Rubber
Food-grade compliance, excellent
temperature resistance (-50°C to 200°C), good flexibility
Infant care products, daily-use
seals, pet toys
Conductive Silicone Rubber
Electrical conductivity, EMI
shielding, basic elasticity
Electronic device gaskets,
anti-static components
Fluorosilicone Silicone Rubber
Oil resistance, chemical resistance,
high-temperature stability (-40°C to 230°C)
Automotive under-hood seals,
industrial valves
Nitrile Rubber (NBR)
Oil resistance, abrasion resistance,
cost-effective
Hydraulic seals, non-food contact
industrial parts
Liquid Silicone Rubber (LSR) Material Classification:
Functional
Type
Core
Characteristics
Typical
Applications
Medical-grade LSR
Complies
with USP Class VI and ISO 10993 standards; excellent biocompatibility, low
volatile content, non-toxic and sterile; resistant to repeated sterilization
Medical
catheters, sealing rings, baby pacifiers, laryngeal masks, breathing masks
Food-grade LSR
Certified
by FDA and LFGB; high/low temperature resistance, odorless, anti-aging;
resistant to yellowing after repeated high-temperature sterilization
Baking
molds, kitchen appliance sealing rings, straws, bottle cap seals, baby
tableware
High-transparency LSR
Light
transmittance > 90%; high tear resistance, yellowing resistance, and
excellent optical stability
Optical
components, LED lamp shades, light guides, transparent seals, lighting
equipment parts
Oil/chemical-resistant LSR
Resistant
to fuel oil, lubricating oil and solvents; high/low temperature resistance;
good aging and weather resistance
Automotive
engine seals, industrial chemical-resistant valves, chemical pipeline
linings, fuel system components
Flame-retardant LSR
Complies
with UL 94 V0 standard; low smoke and halogen-free; excellent insulation
performance; high/low temperature resistance
Electrical
insulation components, high-voltage parts, new energy vehicle battery cell
seals, electrical equipment enclosures
Self-adhesive LSR
Direct
bonding to PP, PA, PC and metals without primer; high bonding strength;
suitable for two-shot injection molding
Consumer
electronics overmolded parts, automotive sensor overmolding, metal-silicone
composite seals
High-tear-strength LSR
Tear
strength > 40 kN/m; good toughness and fatigue resistance; suitable for
thin-walled and high-frequency stress-bearing scenarios
Keycaps,
thin-walled seals, sports equipment parts, high-frequency bending waterproof
gaskets
1. Process for Diverse Needs
Complex structures: Replicate textures/grooves under 0.1mm; support insert molding (e.g., silicone keys with conductive pillars).Mass production guarantee: 10+ machines (5,000-20,000 pcs/day per shift); dimensional deviation ≤±0.05mm.
Operating Procedures:
