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Flexible resins

OEM  OEM Services Provided
Feature Good stability
Classification Paint Additives
Advantage  Professional, Fast Delivery, Customizable
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Flexible Resins: Overview and Key Properties

CategoryDetails
Chemical TypeElastomeric polymers (silicones, polyurethanes, etc.)
Curing MechanismUV, thermal, or two-part curing
AppearanceClear, translucent, or colored liquids
Key FeatureHigh elasticity & impact resistance

Common Types & Properties

Resin TypeElongation at BreakShore HardnessPrimary Use
Flexible Polyurethane150–600%A30–A90Prototypes, gaskets
Silicone Rubber300–1000%A10–A50Medical devices, molds
TPE (Thermoplastic Elastomer)200–800%A60–D50Consumer products
Epoxy Hybrid50–200%D30–D70Impact-resistant coatings

Performance Characteristics

PropertyTypical Value
Tensile Strength1–15 MPa
Tear Strength10–50 kN/m
Rebound Elasticity30–80%
Minimum Bend Radius1–5 mm

Processing Methods

MethodConditionsCure Time
UV Curing365–405 nm light10–60 sec
Thermal Curing60–120°C1–24 hrs
Two-Part MixingRT (Room Temp)5 min–6 hrs

Applications

IndustryUse CasesKey Benefit
3D PrintingWearables, prostheticsHigh detail flexibility
AutomotiveSeals, vibration dampersDurability
MedicalSoft-tissue modelsBiocompatibility
Consumer GoodsPhone cases, toysShock absorption

Advantages vs. Rigid Resins

FeatureFlexible ResinsRigid Resins
Impact ResistanceExcellentPoor
DurabilityHigh (flex cycles)Brittle
ApplicationsDynamic partsStructural parts

Safety & Handling

ParameterGuidelines
Skin ContactLow toxicity (silicones); PPE for polyurethanes
VOC EmissionsLow (UV-curable) to moderate (two-part)
Storage6–12 months (avoid UV/heat)

Market Data

SegmentMarket ShareGrowth Rate (CAGR)
3D Printing40%9.2%
Medical25%7.5%
Industrial35%6.8%

Key Benefits & Limitations

AdvantagesLimitations
Extreme durability under stressLower tensile strength than rigid resins
Realistic material feelLonger curing times (some types)
Wide range of hardness optionsHigher cost than standard resins

Summary

Flexible resins enable innovative applications requiring elasticity and toughness, from medical simulations to functional prototypes. Advances in UV-curable formulations are driving adoption in 3D printing, while silicones remain dominant in healthcare.

This product is a modified epoxy resin product with excellent flexibility performance.

By grafting flexible soft segments at the end of the epoxy polymer molecular structure, it solves the problems of decreasing the internal strength of the cured product, decreasing the electrical and chemical resistance properties, and cracking the product after adding plasticizer to the traditional formula.

Self-contained lively epoxy group enhances its reaction activity with the curing agent, so that the cured product not only has good elasticity, high elongation characteristics, but also has excellent chemical resistance, electrical insulation properties and mechanical strength.

The product has good water and chemical resistance, strong adhesion and good toughness.

The flexible epoxy resin can have a wide range of applications in electronics, electrical, coatings, adhesives and so on. Such as epoxy soft electronic potting adhesive, transformer, transformer casting material, crystal drip glue, elastic floor coatings, civil engineering construction adhesive (concrete bonding, repair, paste tiles, etc.), elastic sealant.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.

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