Why do bubbles form after adding the curing agent?

This is a normal physical phenomenon. Liquid produces many bubbles during mixing, so vacuum exhaust bubble treatment is required.

Premium RTV-2 Silicone for Crafting Handmade Candle Molds

Name: Premium RTV-2 Silicone for Crafting Handmade Candle Molds
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 1983001395

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$7.00

1-999 kg

US$6.86

1,000-2,999 kg

US$6.55

3,000+ kg

Sample price:US$8.00/kg.Request sample

Product profile

Customization

Available

Material

Organic Silicone

Application

Industrial, Agricultural, Mold Making

Model NO.

OTT-S825

Certification

ISO

Mixing Ratio

100:3, 100:2, 100:5

Working Time/Pot Life

30~50min

Curing Time

3~4h

Shelf Life

18 Months

Delivery Term

EXW, Fob, CIF, C&F

Transport Package

20kg/Drum, 25kg/Drum or 200kg/Drum

Specification

Liquid Silicone

Trademark

OTT

Origin

China

HS Code

39100000

Production Capacity

8000kg/Day

Key features

Near Zero Shrinkage: Shrinkage is almost zero (below 0.2%), ensuring high precision in reproduction.

Excellent Detail Reproduction: Good resistance to deformation and expansion captures every fine detail of designs.

Versatile Application: Suitable for artificial stone, gypsum crafts, candles, soaps, and resin works.

High Tear Strength: Features excellent tension and tear strength for durable mold usage.

Easy Operation: Amazing fluidity makes it easy to operate and complex design available.

Stable & Safe: Stable quality, non-toxic, odorless, and does not contain oil.

Fast Delivery: Delivery time is within 3-5 days after payment confirmation.

Customizable Options: Mixing ratio, working time, and curing time can be customized.

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: ≤6.86h 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 types of silicone products do you manufacture?

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

Q:Do you provide free samples for testing?

Yes, we can provide free samples for clients to test before placing an order.

Q:How do you control product quality?

We have a professional QC team that controls quality during production. All goods are 100% inspected before shipment.

Q:How can I 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 can I make my silicone mold last longer?

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