Why do bubbles form when adding the curing agent?

This is a normal physical phenomenon where mixing creates bubbles. They must be removed through vacuum exhaust bubble treatment.

What is the shelf life of the silicone?

The shelf life is between 12 to 18 months when stored properly.

What is the minimum order quantity (MOQ)?

The minimum order quantity is 200kg.

RTV-2 Liquid Silicone Rubber for Candle Mold Making Addition/Platinum Cure Silicone

Name: RTV-2 Liquid Silicone Rubber for Candle Mold Making Addition/Platinum Cure Silicone
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 1977862815

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$7.85-9.48

200 kg

Sample price:US$9.48/kg.Request sample

Product profile

Customization

Available

Material

Organic Silicone

Application

Industrial, DIY Art

Model NO.

OTT-J820

Certification

ISO, FDA, MSDS

Hardness

20 Shore a

Mix Ratio

1:1/10:1

Color

Translucent

Shelf Life

12-18 Months

Sample

Available

Business

Factory Direct Sale

Trade Term

EXW/CNF/CIF/Fob/DDU

Shipment

by Sea, by Air

MOQ

200kg

Lead Time

7 Days After Payment

H.S Code

391000

Transport Package

Plywood Pallet

Specification

20kg, 25kg, 200kg

Trademark

OTT

Origin

Guangzhou

HS Code

3910000000

Production Capacity

600000

Key features

High Elongation & Tear Strength: Features 450% elongation and 23 KN/m tear strength for durable, detailed molds.

Platinum Cure System: Addition cure silicone ensures stable performance and fine detail reproduction.

FDA & ISO Certified: Meets strict safety standards with FDA, MSDS, and ISO certifications.

Customizable Hardness: Available in 20 Shore A hardness to suit various molding requirements.

Versatile Applications: Ideal for candles, soaps, resin crafts, gypsum, and intricate art sculptures.

Professional Technical Support: Expert guidance on mold making technology and 24-hour responsive service.

Fast Lead Time: Standard lead time of 7 days after payment for efficient order fulfillment.

Factory Direct Sale: Direct pricing from manufacturer with 15 years of specialized experience.

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: ≤7.63h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryGuangzhou OTT New Materials Co., Ltd. is a China-based limited company established in 2014, operating in silicone and related chemical materials. It reports five production lines, a 1,700 m² manufacturing plant, broad product coverage, exports representing 90% of total sales, and stated peak- and off-peak-season fulfillment within 15 working days. The supplier holds ISO 9001:2015 certification and describes technical support, after-sales service, and silicone-material innovation capabilities. However, the available information indicates a relatively small organization of 17 employees, fewer than five quality-control staff, and limited documented customer-trade evidence. Financial strength, customization performance, and the depth of customer cases cannot be conclusively assessed from the provided data.

Supplier typeThe supplier is identified as Guangzhou OTT New Materials Co., Ltd., a China-based limited company operating in chemicals and silicone materials. Its listed products include architectural-restoration silicone and mold-making silicone, while its broader product keywords cover multiple liquid, RTV, cured, and specialty silicone products.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate, providing explicit evidence of a certified quality-management system. No other certifications are stated in the provided information.

After-Sales capabilityThe supplier states that three doctoral senior researchers and 12 professional engineers support quality improvement, product development, innovation, and after-sales service. It also explicitly claims to provide technical solutions, after-sales service, and ongoing technical support, although no service-performance metrics or response-time data are provided.

R&D capabilityThe supplier explicitly reports top technology in condensation and addition-cured silicone in China and identifies doctoral researchers and professional engineers supporting new-product development and innovation. Its stated range of related silicone materials further supports technical breadth, though no independently verified innovation results are provided.

Production capacityThe supplier reports five production lines, a 1,700 m² manufacturing plant, and order fulfillment within 15 working days in both peak and off-peak seasons. Its product scope is broad and export sales are stated to represent 90% of total sales, but the small total workforce of 17 employees and fewer than five quality-control staff indicate that operational scale should be verified for large-volume requirements.

Product Q&A

Q:What types of silicone products do you manufacture?

We produce liquid silicone, silicone rubber, and silicone oil. Our products vary in viscosity, hardness, and density to meet specific client requests.

Q:Do you provide free samples for testing?

Yes, we can provide samples for testing purposes to ensure the product meets your needs.

Q:How do you ensure quality control?

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 molds last longer?

Choose the right liquid silicone for your product, avoid using silicone oil as it softens the mold, and allow the mold to fully cure for at least 2 hours after finishing.