Why does adding curing agent create many bubbles?

This is a normal physical phenomenon where the liquid produces bubbles during mixing; vacuum exhaust treatment is required.

RTV-2 Silicone Rubber for Craft Casting Liquid Silicone

Name: RTV-2 Silicone Rubber for Craft Casting Liquid Silicone
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 1975794495

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$8.26-11.65

1 kg

Sample price:US$11.00/kg.Request sample

Product profile

Customization

Available

Material

Organic Silicone

Application

Industrial, DIY Art

Model NO.

OTT-J820

Certification

ISO, FDA, MSDS

Hardness

20 a Shore

Color

Translucent or Adjustable

Mix Ratio

1:1 or 10:1

Shelf Life

18months

Pot Life

20-40 Mins

Demold Time

4-6 Hours

Business

Factory Direct Sale

Sample

Available

Trade Term

EXW/CNF/CIF/Fob/DDU

Shipping

by Sea, by Air

Transport Package

Plywood Pallet

Specification

5kg, 20kg, 25kg, 200kg, 1000kg drum

Trademark

OTT

Origin

Guangzhou

HS Code

3910000000

Production Capacity

600000

Key features

Food Grade Safety: Non-toxic and food grade certified for safe use in food molds and crafts.

Long Shelf Life: Maintains quality for 18 months when stored in cool, dry places in original packaging.

High Duplication Count: Supports 50 to 1000 duplications depending on product size and usage.

Fast Delivery: Ships within 4 to 6 days after payment confirmation.

Room Temperature Curing: Cures fully within 3 to 5 hours at 25 degrees Celsius without heat.

Low Shrinkage: Features 0.1% shrinkage rate for high precision replica details.

Adjustable Hardness: Available in Shore A 5 to 50 range to suit various molding needs.

Professional Support: 24-hour after-sales service and professional R&D team assistance.

Company profile

GUANGZHOU OTT NEW MATERIALS CO., LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2022-07-27 CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤8.30h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

About Our Factory & Business Background

AddressFirst Floor Building A1 Tangkou 236 Industrial Zone, Tuanjie Village, Xinhua Street, Huadu District, Guangzhou, Guangdong, China

Plant Area1700 square meters

Number of Employees17

Registered Capital5,000,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW, DDU

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

Our Production Capability & Technical Expertise

Main ProductsRTV2 Liquid Silicone Rubber, Molding Silicone Rubber, Platinum Cured Silicone Rubber, Tin Cured Silicone Rubber, Pad Printing Silicone Rubber, Electronic Potting Silicone Rubber, Life Casting Silicone Rubber, Insole Silicone Rubber, Silicone Resin Powder

Production MachinesKneading Machine, Grinding Machine, Mixing Machine

R&D Engineers2 people

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2014-07-15

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic

Number of Foreign Trading Staff5

Overseas Agent/BranchNo

Product Q&A

Q:What silicone products do you make?

We produce liquid silicone, silicone rubber, and silicone oil. Different molds require specific viscosity, hardness, and density to meet client requests.

Q:Do you offer free samples?

Yes, we can provide samples for testing purposes.

Q:How is quality controlled in your factory?

We have a professional QC team that inspects goods 100% before shipment.

Q:How to remove bubbles during mold making?

After mixing the liquid silicone with the curing agent, place the material in a vacuum machine to remove the bubbles.

Q:How to get a long-lasting silicone mold?

Choose the right liquid silicone, avoid using silicone oil as it softens the mold, and wait 2 hours after finishing the mold for full curing.