107 Polymer is hydroxyl‑terminated polydimethylsiloxane, CAS 70131‑67‑8. This food‑contact‑compatible condensation‑cure base polymer is formulated for candle and soap casting molds. With strictly controlled heavy‑metal and impurity index, it can be compounded with silica fillers, silane cross‑linker and organotin catalyst. After full curing, the silicone mold features low shrinkage, superior tear resistance and easy demolding property, widely used for craft candles, aromatherapy candles, cold‑pr

Product Detail

Product Overview

107 Polymer is hydroxyl‑terminated polydimethylsiloxane base polymer, CAS 70131‑67‑8. This RTV‑2 condensation‑cure raw material is tailored for candle and soap mold production with food‑contact‑compatible requirements. Each batch undergoes strict inspection on viscosity, hydroxyl value and impurity content. When mixed with reinforcing silica fillers and matched curing system, it cross‑links into flexible elastic silicone rubber. Stable batch‑to‑batch quality supports mass production of household craft casting molds.

Key Features

Food‑contact‑compatible grade 107 base polymer for candle and soap RTV‑2 molds
Strictly controlled impurities and low volatile substances
Stable hydroxyl end‑groups for predictable condensation cross‑linking
Outstanding wetting and dispersing capacity for reinforcing silica fillers
Low linear shrinkage to keep dimensional stability of delicate patterns
High tear strength, withstands repeated demoulding operations
Excellent release property for wax, soap base and similar casting medium
High fidelity reproduction of fine textures and complex decorations
Good compatibility with standard silane cross‑linkers and organotin catalysts
Reliable consistency for continuous factory production

Main Applications

Flexible RTV‑2 molds for craft candle, aromatherapy candle and wax casting
Molds for handmade cold‑process soap, glycerin soap and decorative soap
Food‑contact‑compatible art‑craft duplication moulds
Ornament, gift and decorative artwork reproduction molds
Custom silicone compound for wax and soap casting industry
Small‑batch consumer craft goods mold manufacturing

Processing Suggestions

Carry out feeding, kneading and mixing operations under strictly moisture‑free workshop environment. Add reinforcing silica fillers, silane cross‑linking agent and organotin catalyst in accordance with mold formula. Adjust filler loading to obtain target hardness and tear strength. Prevent moisture intrusion in the whole production workflow, moisture will cause incomplete curing and sticky surface defects.

Storage & Packing

Packed in sealed 200kg iron drum. Store in cool, dry and well‑ventilated warehouse. Keep drum tightly sealed. Keep away from humidity, high temperature and direct sunlight. Reseal drum immediately after partial material discharge. Proper storage protects polymer reactivity and guarantees valid shelf‑life.

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.