Why do bubbles form after adding the curing agent?

This is a normal physical phenomenon where mixing creates many bubbles. The material must undergo vacuum exhaust treatment to remove them.

20 Shore-a RTV-2 Liquid Mold Making Silicone for Candle Mould Making

Name: 20 Shore-a RTV-2 Liquid Mold Making Silicone for Candle Mould Making
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 1994122275

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$7.88-9.48

200 kg

Sample price:US$9.48/kg.Request sample

Product profile

Customization

Available

Raw Material

Synthetic Rubber

Material

Silicone Rubber

Model NO.

OTT-J820

Appearance

Liquid Silicone

Form

Liquid Rubber

Mixing Ratio

1:1, 10:1

Working Time/Pot Life

30~50min

Curing Time

3~4h

Shelf Llife

18 Months

Hardness

20shorea

Delivery Time

5days After Getting Payment

MOQ

100kgs

Transport Package

Plywood Pallet

Specification

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

Trademark

OTT

Origin

China

HS Code

39100000

Production Capacity

8000kg/Day

Key features

Food-Grade Platinum Silicone: Non-toxic, odorless, and environmentally friendly for safe mold making.

Customizable Curing Time: Curing time can be adjusted according to specific client requirements.

Low Shrinkage Rate: Shrinkage is almost zero, below 0.1% for high precision duplication.

Easy 1:1 Mixing Ratio: Simple mixing process with 1:1 ratio for convenience and accuracy.

Fast Delivery Time: Delivery within 5 days after payment receipt.

High Tear Strength: Superior tensile and tear strength ensures durable mold life.

OEM and ODM Services: Professional R&D team available for custom silicone solutions.

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: ≤6.21h 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. Our silicone properties like viscosity, hardness, and density vary based on the specific mold requirements.

Q:Do you offer free samples?

Yes, we can provide samples for testing purposes.

Q:How do you control quality 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 into a vacuum machine to remove the bubbles.

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

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