What types of materials can be cast using this silicone mold?

It is suitable for casting plaster, polyurethane (PU), GRC, cement, resin, polyester, wax, statues, and sculptures.

When is the best time to demold the cast item?

We advise demolding after 24 hours to improve the replicate times of the silicone mold.

Good Quality Tin Cure RTV2 Liquid Silicone Molding Rubber for Polyurethane Resin Molds

Name: Good Quality Tin Cure RTV2 Liquid Silicone Molding Rubber for Polyurethane Resin Molds
Brand: Mingcheng Group Limited
SKU: 679728471

Guangdong, ChinaMingcheng Group Limited

US$5.68

275 kg

Sample price:US$0.10/kg.Request sample

Product profile

Customization

Available

Raw Material

Synthetic Rubber

Material

Silicone Rubber

Model NO.

MCSIL-2020

Appearance

Liquid

Form

Liquid Rubber

Item

RTV 2020

Color

off-White

Mixing Ratio

100:2

Mixed Viscosity

19000 Cps

Working Time

30-40 Mins

Curing Time

4-6 Hours

Hardness

20 Shore a

Tensile Strength

3.8 MPa

Tear Strength

26 N/mm

Elongation at Break

500%

Shelf Life

12months

Transport Package

25kg/Drum or 200kg/Drum

Specification

REACH, MSDS, SGS

Trademark

MC SILICONE

Origin

Dongguan, China

HS Code

39100000

Production Capacity

8000kg/Day

Key features

Room Temperature Curing: Cures at room temperature via condensation reaction without heat.

High Tear Strength: Features 26 N/mm tear strength and 3.8 MPa tensile strength.

Long Working Time: Provides 30-40 minutes of working time for complex mold making.

Low Shrinkage Rate: Linear shrinkage is less than or equal to 0.3% for precision.

Chemical Resistance: Resistant to acids and alkalis for durable mold performance.

Easy Demolding: Flexible rubber allows easy removal from complex replica parts.

Versatile Applications: Suitable for resin, plaster, statues, sculpture, and GRC molds.

Vacuum De-airing: Compatible with vacuum chambers to remove entrapped air bubbles.

Company profile

Mingcheng Group LimitedGuangdong, China

Business Type: Manufacturer/FactoryExport Year: 2013-01-01Nearest Port: ShenzhenAverage Response Time: ≤11.23hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, FCA, EXW

About Our Factory & Business Background

AddressNo. 18, Zhouliao Road, Langzhou, Changping, Dongguan, Guangdong, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSilicone Rubber, Liquid Polyurethane Rubber, Epoxy Resin, RTV2 Silicone Rubber, Mold Making Silicone, Tin Cure Silicone, Electronic Potting Silicone, Addition Cure Silicone, Platinum Silicone, Urethane Mold Rubber

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What is the mixing ratio for Part A and Part B?

The mixing ratio is 100:2 by weight for Part A silicone base and Part B CA30 curing agent.

Q:How long does it take for the silicone to cure?

The curing time is 4-6 hours at room temperature, though it can be faster with different mixing ratios or temperatures.

Q:Can this silicone rubber be used for food molding?

No, RTV2030 silicone rubber is an industrial product and must not be used in food molding, dental, or human skin molding applications.

Q:What is the hardness of the cured silicone?

The hardness of the cured silicone is 20 Shore A.

Q:How should the mixture be prepared to avoid air bubbles?

It is strongly recommended to remove entrapped air in a vacuum chamber, allowing the mixture to expand and collapse, then inspect after 1-2 minutes under vacuum.